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    29 January 2010, Volume 14 Issue 5 Previous Issue    Next Issue
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    Localization, diagnosis and treatment strategy of urinary fistulae following kidney transplantation: A retrospective study of 14-year experience
    Huo Wen-qian, Jin Feng-shuo, Nie Zhi-lin, Zhang Ke-qin, Li Qian-sheng
    2010, 14 (5):  761-764.  doi: 10.3969/j.issn.1673-8225.2010.05.001
    Abstract ( 387 )   PDF (565KB) ( 514 )   Save

    BACKGROUND: The urinary fistula rates following kidney transplantation are varying in each center, which lack of unified classification criteria and treatment standard.
    OBJECTIVE: To explore optimal treatments for urinary fistula following kidney transplantation by retrospective analyzing the characteristics, etiological factors and therapeutic efficacy of urinary fistula.
    METHODS: Totally 68 patients with urinary fistula were collected, including 42 males and 26 females, aged 21-57 years. The urinary fistula occurred at days 1-17 after operation. According to the location of urinary fistula, patients were divided into stomas fistula and ureter fistula groups. The location of fistula was determined by cystography, magnetic resonance hydrography (MRH) or operation research. In both groups, conservative treatment was first adopted, namely, placing a negative pressure drainage tube draining the wounds and placing a double-J catheter or a urinary canal in, however, if invalid, a surgical repair was performed. There were 45 patients underwent surgery. The location, onset period, therapeutic efficacies of urinary fistula was analyzed.
    RESULTS AND CONCLUSION: Among the 68 cases of fistula, 20(29.4%) were stomas fistula and 48 (70.6%) were ureter fistula. The onset period was (5.1±2.5) and (8.8±5.5) days after transplantation, respectively (P < 0.05). Fifteen of 20 stomas fistula (75.0%) were cured successfully by conservative treatment. Whereas, for the remaining 5 cases (25.0%), we attempted open surgery, among which 4 were cured, free of recurrence, and 1 case underwent nephrectomy because of acute rejection. For the 48 cases of ureter fisula, only 8 (16.7%) were cured by conservative treatment, but the other 40 (83.3%) must accept further open surgery, among which 35 were cured (including 6 cases of recurrent fistula). Three cases underwent nephrectomy failure of repair owing to acute rejection, besides 2 died of pulmonary infection. The achievement ratio of conservative treatment in lower fistulae was significantly higher than that of upper fistulae (P < 0.01). It is necessary to determine the location of urinary fistula following kidney transplantation. Compared to ureter fistula, stomas fistula occurred earlier with great leaked volume. Conservative treatment can first selected for stomas fistula, only if it is invalid can we resort to open surgery. However, for ureter fistula, it is wise to adopt open surgery as soon as possible.

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    Diagnosis and treatment of urinary fistula following kidney transplantation
    Zhuo Wen-li, Xu Ting-zhao, Wu Wei-zhen, Yang Shun-liang, Tan Jian-ming
    2010, 14 (5):  765-768.  doi: 10.3969/j.issn.1673-8225.2010.05.002
    Abstract ( 364 )   PDF (816KB) ( 368 )   Save

    BACKGROUND: Presently, the kidney source is limited. Urinary fistula-induced nephrectomy of transplanted kidney is regrettable. Reasonable diagnosis of urinary fistula should be paid great attention by workers of organ transplantation.
    OBJECTIVE: To study the diagnosis and treatment of the urinary fistula in kidney transplantation patients.
    METHODS: The clinical data of 16 patients with the urinary fistula following kidney transplantation, who was recruited from the Organ Transplantation Center, Fuzhou General Hospital of Nanjing Military Area Command of Chinese PLA, were retrospectively analyzed.
    RESULTS AND CONCLUSION: The morbidity of the urinary fistula following kidney transplantation was 1.26%, the conservative treatment were used to 13 cases of simple urinary fistulas, 11 of 13 cases were successful (84.6%). 2 case failed (15.4%), pedicled omentum grafts were successful used to treat 3 cases of complex urinary fistulas after renal transplantation by one operation. Intensive care and active measures should be given to the urinary fistula patients after kidney transplantation. The key to the successful treatment involved with the diagnosis in early stage and the correct measures. With biological characteristics of omentum, applying pedicled omentum grafts to repair complex urinary fistulas and simple urinary fistulas which were failure of the conservative treatment after renal transplantation has advantages as followings, convenient to draw material, recovering tissue quickly and low recurrence rate. It is fit for clinic.

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    Significance of “Five-step procedure protocol” for the normalization of diagnosis and treatment of urinary fistula following renal transplantation
    Li Qian, Li Qian-sheng, Jin Feng-shuo, Nie Zhi-lin, Huo Wen-qian
    2010, 14 (5):  769-772.  doi: 10.3969/j.issn.1673-8225.2010.05.003
    Abstract ( 284 )   PDF (375KB) ( 393 )   Save

    BACKGROUND: Present existed procedure protocol for urinary fistula has some limitations, which can not reflect diseased region, pathological change, or severe condition of patients.
    OBJECTIVE: To establish the procedure protocol for urinary fistula diagnosis and treatment following renal transplantation, in addition, to investigate its significance in clinical practice.
    METHODS: A total of 102 cases with urinary fistula, including 67 male and 35 female, range in age from 21 to 57 years. According to the business management mode, we have designed the “five-step procedure protocol” for the diagnosis and treatment of urinary fistula after renal transplantation. Four diagnosis steps consisting of qualitative, located, quantitative and classified, as well as one treatment step. Among 102 cases of urinary fistula, 34 were adopted conservative treatment, including 24 cases with drainage tube and retention type catheter, 10 cases with indwelling ureteric stents at tubal bladder. Other 68 cases received surgical treatment. In 47 cases with simple fistula, 36 cases received ureter/bladder replantation, 11 cases with ureteral anastomosis. Twenty-one cases with complex fistula were treated with surgical prosthesis using omentum majus after repairing.
    RESULTS AND CONCLUSION: Among the 34 cases receiving conservative treatment, 2 got urinary tract infection repeatedly, and 5 got the stenosis of ureterovesical anastomotic stoma. Among the 68 cases receiving surgical treatment, 2 had ureteral stoma stricture, 1 ureterovesical anastomotic stoma stricture, and 1 ureteral countercurrent. In the surgical treatment series, 3 cases died from severe pulmonary infection elicited by urinary fistula. 77 cases were available for long-term follow-up, 22 were dropped out. In the 57 cases with simple fistula were followed up for 1-10 years, the transplanted renal function was normal in 40 cases, and 17 cases suffered from chronic rejection. 20 cases with complex fistula treated with surgical prosthesis using omentum majus were followed up for 1-7 years, 19 cases were normal, 1 patient had increased creatinine, which was returned to normal after intravenous glucocorticoid therapy. The design of “qualitative, located, quantitative and classified” standard for urinary fistula diagnosis following renal transplantation, and the establishment of “five-step procedure protocol”, make urinary fistula diagnosis and treatment more ordered and standard, which is more feasible for selecting optimal therapeutic scheme.

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    Retrospective analysis of diagnosis and treatment of urinary fistula following renal transplantation in 95 cases
    Wang Xian-ding, Xie Zhi-yuan, Lu Yi-ping, Wang Li, Lin Tao, He Fan
    2010, 14 (5):  773-776.  doi: 10.3969/j.issn.1673-8225.2010.05.004
    Abstract ( 289 )   PDF (304KB) ( 533 )   Save

    BACKGROUND: The high incidence of urinary fistula following renal transplantation not only influence on wound healing, but also result in local or systemic infection, even renal allograft loss or death. Therefore, it is necessary to establish a standard for diagnosing and treating of urinary fistula.
    OBJECTIVE: To retrospectively analyze the diagnosis and treatment of urinary fistula following renal transplantation in 95 cases.
    METHODS: In 95 cases, there were 59 males and 36 females, aged from 19 to 61 years, urinary fistula occurred at days 1-40 after renal transplantation, including 74 simple fistulas and 21 complex fistulas. Besides of our clinical experiences and routine methods, the “five-step procedure protocol” for diagnosis and treatment of urinary fistula reported by Li Qian-sheng was also referred.
    RESULTS AND CONCLUSION: Totally 56 cases were managed by conservative treatment, 45 of whom were cured. 50 cases (including 11 cases those failed to cure by conservative treatment) were managed by surgical treatment, 45 of whom were cured. Of the remaining 5 cases, 2 grafts were removed because of graft rupture and massive hemorrhage caused by uncontrolled acute rejection, and 3 recipients died of severe pneumonia shortly after transplantation. 71 of the 90 cases were received long-term follow up, ranging 2 to 11 years. Of the simple urinary fistula cases, 56 were on regular follow up; 41 kept a normal graft function, 10 were diagnosed of chronic allograft nephropathy, 4 returned to hemodialysis and 1 died of lung cancer. Of the complicated ones, 15 were on regular follow up. 8 kept a normal graft function, 4 were diagnosed of chronic allograft nephropathy, and 3 returned to hemodialysis. The design of “five-step procedure protocol” makes urinary fistula diagnosis and treatment more ordered and standard, which can obtain excellent therapeutic efficiency.

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    Pathogeny of urethral fistula after renal transplantation: A 68-case analysis
    Bai Wei, Nie Zhi-lin, Huo Wen-qian, Zhu Fang-qiang, Jin Feng-shuo, Li Qian-sheng
    2010, 14 (5):  777-780.  doi: 10.3969/j.issn.1673-8225.2010.05.005
    Abstract ( 326 )   PDF (482KB) ( 375 )   Save

    BACKGROUND: Urethral fistula following renal transplantation accounts for 40%-70% of urinary complications, owing to surgical and medical factors.
    OBJECTIVE: To effectively decrease and avoid attack of urethral fistula after renal transplantation, and prolong the survival of kidney.
    METHODS: Clinical data from 68 cases following renal transplantation were retrospectively analyzed at the levels of pathogeny, diagnosis and treatment. There were 47 males and 21 females, aging 20-58 years. Urethral fistula occurred at 3-31 days after renal transplantation, and the amount was 60-2 000 mL per day. Based on the principle of the urethral injury classification method, urethral fistula was divided into simple and complex categories, while according to the fistula site, etiology and extent, urethral fistula was divided into low, high and multiple fistula. Attack rate of simple urethral fistula and complex urethral fistula was detected following renal transplantation so as to analyze the pathogeny of urethral fistula.
    RESULTS AND CONCLUSION: Of 68 cases with urethral fistula following renal transplantation, 47 cases (69.1%) were simple urethral fistula, including 42 cases with ureteral end necrosis, 4 cases with lax anastomotic suture of ureter bladder, and 1 case with ureteral anastomotic badness caused by wound infection, and 21 cases (30.9%) were complex urethral fistula, including 2 cases with renal pelvis fistula, 2 cases with ureter, 11 cases with ureterovesical anastomosis region, 6 cases with ureteral necrosis longer than 2 cm. A lot of causes may induce urethral fistula following renal transplantation. The blood stream, edema, size of fistula, length of the ureter, and operative procedures are selected to ensure free of strain. Urethral fistula can be treated on time on the basis of different situations.

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    Processing of urinary fistulas in 27 out of 1 203 patients after renal transplantation in one hospital during 9 years
    Qiu Xiao-fu, Zhu Yun-song, Hu Wei-lie, Nie Hai-bo, Lü Jun, Guo Fei
    2010, 14 (5):  781-784.  doi: 10.3969/j.issn.1673-8225.2010.05.006
    Abstract ( 260 )   PDF (331KB) ( 405 )   Save

    OBJECTIVE: Complication incidence of urinary fistula which frequently occurs following renal transplantation is 3%-10%. Thus, poor processing may cause loss of transplanted kidney. This study was designed to retrospectively analyze urinary fistula following renal transplantation and to summarize the processing experience.
    METHODS: A total of 27 out of 1 203 patients with urinary fistula following renal transplantation (16 males and female 11 and mean age of 43 years) were collected from Guangzhou General Hospital of Guangzhou Military Command of Chinese PLA from December 2000 to March 2009. Totally, 26 patients accepted donor kidney from corpse, and 1 from living body. All patients were treated with expectant treatment (n=17) including inserting 18Fr Foley catheter alone and draining from the native drainage channel of operative site (n=12) and inserting a ureteral stent (single-J) by cystoscope retrograde approach and inserting 18Fr Foley catheter into the bladder (n=5); exploring operation (n=10) including anastomosing ureter and bladder and placing ureteral stent (n=5) and anastomosing ureter and ureter of recipient and placing ureteral stent (n=5); pedicled omentum grafts to cover and surround stoma after suturing (n=6).
    RESULTS: Only 1 case was failed because kidney vain was injured in the second operation and the kidney was resected. Another 26 cases were cured. Within the 3 month to 7 years follow-up, the urinary fistulas did not relapse, no stegnosis or hydronephrosis, no urinary tract infection and renal function were normal.
    CONCLUSION: Rapid diagnosis and treatment for urinary fistulas after renal transplantation is imperative. First mostly patients may be cured by expectant treatment. If not then perform exploratory operation. Using pedicled omentum grafts to cover and surround stoma after suturing for complex urinary fistulas can raise achievement ratio of operation.

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    Classification and treatment of urinary fistulas following renal transplantation: A 10-year summary of 514 cases
    Li Sha-dan, Wang Qing-tang, Chen Wei-guo, Wang Liang, Yang Hang, Chen Zhao-jie
    2010, 14 (5):  785-788.  doi: 10.3969/j.issn.1673-8225.2010.05.007
    Abstract ( 319 )   PDF (418KB) ( 378 )   Save

    The etiological factor, diagnosis, as well as therapeutic results of 23 cases with urinary fistula following renal transplantation, at the Chengdu Military General Hospital, from December 1998 to December 2008, were analyzed retrospectively, including 21 cases with a renal transplantation, 2 cases with retransplantation; 9 cases adopt renal artery, renal veins to external iliac artery, external iliac vein anastomosis, 14 cases with renal artery to internal iliac artery, renal veins to external iliac vein anastomosis. 23 cases were followed-up for 6-12 months, 17 cases suffered urinary fistula at days 3-7 after transplantation, 6 cases occurred at days 7-10; there were 17 stoma fistulae, 4 distal end necrosis of ureter, 2 ureteral fistulae. 11 cases were received conservative treatment, and 12 cases with operation. Among the surgery patients, 9 cases received conventional operation and 1 of them returned with urinary fistula and then was cured by second operations; 3 patients received pedicled omentum transplantation and no recurrence or hydronephrosis happened with normal renal function. The one-time success rate was 92% (11/12), of which the repair success rate using pedicled omental was 100%. The results demonstrated that prevention plays an important role in urinary fistula, and ureter should be protected during the surgery. Meanwhile, stoma fistula should be avoided. Promptly treatment following urinary fistula is also necessary to reduce the damage of urinary fistula to the renal function.

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    Correlation of urine monocyte chemoattractant protein-1 and acute rejection after renal transplantation
    Xing Li, Zhang Zhu, Cai Wen-li, Qu Qing-shan, Miao Shu-zhai, Wang Kai
    2010, 14 (5):  789-793.  doi: 10.3969/j.issn.1673-8225.2010.05.008
    Abstract ( 291 )   PDF (501KB) ( 477 )   Save

    BACKGROUND: Presently, acute rejection following renal transplantation remains a risk factor for chronic rejection and graft function injury. How to non-invasive, rapid and exact diagnosis and prompt treatment is important.
    OBJECTIVE: To investigate early diagnosis and post-treatment expression of urine monocyte chemoattractant protein-1 (MCP-1) in the acute rejection after renal transplantation, through detecting the association of the urine MCP-1 variation according to some cases of nephridial tissue biopsy.
    METHODS: We selected 62 chronic renal failure patients who received renal homotransplantations in the Department of Renal Transplantation of Zhengzhou People’s Hospital from October 2008 to February 2009. The stable renal function group contained 42 patients with stable renal function following renal transplantation. Acute rejection group contained 20 patients with acute rejection following renal transplantation. We chose 10 patients who examined no abnormalities in the Medical Examination Center of Zhengzhou People’s Hospital to detect their urine sample as control group. All patients following renal transplantation underwent conventional immunosuppression. In addition, patients in the acute rejection group were treated with antilymphocyte globulin or methylprednisolone reinforced impact therapy. MCP-1 mass concentration changes were measured by double antibodies sandwich enzyme linked immurosorbent assay.
    RESULTS AND CONCLUSION: Compared with control group, no significant change was determined in urine MCP-1 mass concentration in the stable renal function group (P > 0.05). The urine MCP-1 mass concentration was significantly increased in the acute rejection group (P < 0.01). Compared with pretreatment, urine MCP-1 mass concentration was significantly decreased following treatment in 20 patients from the acute rejection group (P < 0.01). Of them, 17 cases had relieved clinical symptom, and normal auxiliary examination, and their urine MCP-1 mass concentration was close to the control group; 3 cases were inefficient, whose urine MCP-1 mass concentration was greater than the control group. Eight cases received nephridial tissue biopsy, and kidney pathology demonstrated acute rejection of transplanted kidney, which was similar to urine MCP-1 mass concentration in the acute rejection group prior to treatment (P > 0.05). These indicated that the level of MCP-1 in urine can non-invasively diagnose acute rejection following renal transplantation in an early phase, and monitor therapeutic efficacy. This may be associated with renal pathological injury during acute rejection following renal transplantation.

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    Monitoring of Ciclosporin peak concentration in recipients during the stable stage following renal transplantation
    Zhang Yong, Zhang Xiao-dong, Wang Yong, Hu Xiao-peng, Li Xiao-bei, Wang Wei, Yin Hang, Liu Hang
    2010, 14 (5):  794-798.  doi: 10.3969/j.issn.1673-8225.2010.05.009
    Abstract ( 247 )   PDF (377KB) ( 416 )   Save

    BACKGROUND: Documents recorded that the correlation between micro emulsion Ciclosporin peak concentration (C2) and area under curve was best with maximum individual difference. According to C2, dose of Ciclosporin can be adjusted individually to decrease acute rejection and Ciclosporin toxicity, which has widely used in perioperative stage of renal transplanted recipients. However, some transplantation center still used tough concentration (C0) to adjust the dose of Ciclosporin in stable stage of renal transplanted recipients.
    OBJECTIVE: To analyze the efficacy and safety of changing from monitoring C0 to C2 in stable stage recipients following renal transplantation.
    METHODS: Totally 65 patients with renal transplantation were enrolled in this study, including 31 males and 34 females, aged 20-57 (39.4±15.3) years. Within 3 months prior to this study, all patients did not suffered from rejection, and their serum creatinine and urea nitrogen were stable (creatinine ≤180 μmol/L). They were in stable stage after renal transplantation. Their period of transplantation and function of allograft were recorded. Their C0 and C2 of Ciclosporin were assayed. According to the target C2 value 500-600 μg/L, the patients were prospectively and randomly divided into 3 groups. In the high C2 group (n=17), the dose of Ciclosporin was decreased. In the target C2 group (n=23), the dose of Ciclosporin was remained. In the low C2 group (n=25), the dose of Ciclosporin was increased. All of the patients were followed-up for 12 months. The grafts function and the complications of heart, lung and brain were compared.
    RESULTS AND CONCLUSION: According to the target concentration of Ciclosporin C2, the dose of Ciclosporin in the high C2 group was decreased by 575.0 mg. The Creatinine and urea nitrogen of 88% patients were stable, while blood pressure, blood fat and blood uric acid decreased in parts of patients. In the target C2 group, the levels of creatinine, urea nitrogen, C0 and C2 of patients were stable, no complications of heart, lung and brain occurred. According to the target concentration of Ciclosporin C2, the dose of Ciclosporin in low C2 group was increased by 755.0 mg. The creatinine and urea nitrogen of 84% patients were stable. All of the patients were no complications of heart, lung and brain. It is safe and effective to adjust Ciclospori dose under C2 monitoring according to the target peak concentration (500-600 μg/L) in most stable stage recipients following renal transplantation.

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    Panel reactive antibody following living renal transplantation
    Jia Bao-xiang, Xu Xiu-hong, Tian Ye
    2010, 14 (5):  799-802.  doi: 10.3969/j.issn.1673-8225.2010.05.010
    Abstract ( 290 )   PDF (398KB) ( 499 )   Save

    BACKGROUND: It remains poorly understood regarding the incidence of panel reactive antibody (PRA) production and its influence to renal function and long-term survival in China.
    OBJECTIVE: To investigate the incidence of PRA after living renal transplant, so as to provide reference for predicting long-term renal survival .
    METHODS: A total of 54 patients who received living renal transplantation in Beijing Friendship Hospital from March 2005 and October 2007, were selected. PRA, serum creatinine and urea nitrogen level were detected 1-2 years after transplantation. PRA assay was conducted using One Lambda ELISA HLA-Ⅰ+Ⅱ antigen tray. Serum creatinine and urea nitrogen data were offered by clinical laboratory.
    RESULTS AND CONCLUSION: A total of 12.96% (7/54) patients showed PRA positive after transplantation, with HLA-Ⅱ antibody positive in 6 patients, and HLA-Ⅰ+Ⅱ antibody positive in 1 patient. In these 7 patients, 6 underwent primary transplantation, and PRA negative before transplantation; 1 patient underwent transplantation for the second time, and HLA-Ⅱ antibody positive before transplantation. Creatine and urea nitrogen level were abnormal in 1 patient with HLA-Ⅰ+Ⅱ antibody positive and 2 patients with HLA-Ⅱ antibody highly positive. Creatinine and urea nitrogen levels were normal in 4 patients with low level HLA-Ⅱ antibody. Results show that HLA-Ⅰ+Ⅱ antibody positive and high level HLA-Ⅱ antibody affect renal function in living renal recipients, but low level HLA-Ⅱ antibody has no effect on renal function.

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    Evaluation of immunosuppressive schemes using non-steroid and early steroid withdrawal in patients following liver transplantation
    Yu Yong, Luo Xiang-ji, Yi Bin, Liu Chen, Jiang Xiao-qing
    2010, 14 (5):  803-806.  doi: 10.3969/j.issn.1673-8225.2010.05.011
    Abstract ( 245 )   PDF (329KB) ( 521 )   Save

    BACKGROUND: Recently emerged immunosuppressive scheme combined with basiliximab following liver transplantation, such as the early steroid withdrawal or half amount of steroid. Many studies demonstrated that it would not increase the rejection rate in reducing the use of steroid. However, there were rare reports addressing whether it was safe and effective to replace the steroid by basiliximab.
    OBJECTIVE: Through the application of non-steroid and early steroid withdrawal immunosuppressive scheme in patients of hepatocellular carcinoma following liver transplantation, to evaluate the therapeutic effect and safety of two treatments.
    METHODS: A total of 80 patients of hepatocellular carcinoma receiving liver transplantation were divided into the experimental and control group. In the experimental group, 33 patients were applied with non-steroid treatment (Tacrolimus+mycophenolate mofetil+basiliximab); additionally 47 patients were applied with early steroid withdrawal treatment (Tacrolimus+mycophenolate mofetil+ steroid). Steroid was reduced gradually from the first day after transplantation to discontinuation after 1 month. The rates of rejection, infection, cancer recurrence and 1-year survival were measured.
    RESULTS AND CONCLUSION: Compared to the control group, the rates of infection and cancer recurrence were significantly smaller in the experimental group (P < 0.05). However, there was no significantly difference between 2 groups in the rates of rejection and 1-year survival (P > 0.05). It revealed that the non-steroid treatment can be safely and effectively applied in the patients with hepatocellular carcinoma following liver transplantation. The non-steroid treatment can significantly cut down the infection rate and cancer recurrence rate, which has no effect on the rejection and 1-year survival rate.

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    Security time limit of intrahepatic bile duct ischemia under common temperature: What is limiting value?
    Zheng Jian-zhong, Mei Min-jie, Duan Yong-liang
    2010, 14 (5):  807-810.  doi: 10.3969/j.issn.1673-8225.2010.05.012
    Abstract ( 325 )   PDF (390KB) ( 438 )   Save

    BACKGROUND: Biliary ischemia-reperfusion injury is one of the main reasons for the injury bile duct following liver transplantation, liver resection and hepatic artery thrombosis after chemotherapy. However, nothing has been decided yet concerning liver can tolerate long intrahepatic bile ducts ischemia under normal temperature.
    OBJECTIVE: To use the rabbit biliary ischemia-reperfusion injury model, analyze the rabbit intrahepatic bile ducts ischemia security time.
    METHODS: Rabbits were randomly divided into sham operation, hepatic artery and common bile duct joint blocking 1.5, 2, 2.5,  3 h groups. Sham operation group only free common bile duct, hepatic artery and portal vein. Hepatic artery and common bile duct joint blocking 1.5, 2, 2.5, 3 h groups, left and right hepatic duct openings superior margin was clamped using artery clamps, and hepatic artery, common bile duct and loose connective tissue were occluded. Following 1.5, 2, 2.5 and 3 hours, artery clamps were removed to recover hepatic artery or biliary tract blood flow. After a week, animal survival was calculated and liver function was tested.
    RESULTS AND CONCLUSION: None animals in the sham operation and hepatic artery and common bile duct joint blocking 1.5 hour groups died; survival rate was 87.5% following 2 hours of blocking. Animal survival rate was decreased gradually with prolonged blocking time of blood flow. These indicated that the maximum safety time of blocking biliary duct blood flow was 2 hours. Pathological and histological changes were mild within 2 hours of blocking, mainly presenting cell edema and inflammatory cell infiltration, and necrotic focus was punctiform or fragmentis, reversible. While ischemia above 2 hours, bile duct epithelial necrotic shape was significant. The obvious, hepatic necrosis was multifocal, flake, irreversible damage. Histological change also confirmed that 2 hours may be maximum security limitation of rabbit tolerance intrahepatic bile duct flow blocking under normal temperature.

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    Hepatitis B virus recurrence after liver transplantation: Prevention and cure efficacy of nucleoside anti-hepatitis B medicine combined with low-dose anti-hepatitis B immunoglobulin
    Liu Jing, Zhang Sheng-ning, Li Zhu, Li Lai-bang, Ran Jiang-hua, Li Li
    2010, 14 (5):  811-814.  doi: 10.3969/j.issn.1673-8225.2010.05.013
    Abstract ( 366 )   PDF (412KB) ( 517 )   Save

    BACKGROUND: It was reported from home and abroad that the effect of nucleoside anti-hepatitis B medicine and anti-hepatitis B immunoglobulin for prevention and cure of hepatitis B virus recurrence after liver transplantation with hepatopathy correlation with hepatitis B was good for patients. But the reported dosage of anti-hepatitis B immunoglobulin in and after liver transplantation was different.
    OBJECTIVE: To verify and investigate the effect of nucleoside anti-hepatitis B medicine combined with anti-hepatitis B immunoglobulin on prevention and cure of hepatitis B virus recurrence after liver transplantation.
    METHODS: A retrospective analysis was performed on 59 patients with liver transplantation of hepatopathy correlated with hepatitis B who were selected from Liver Transplantation Center, the Ganmay Affiliated Hospital of Kunming Medical College between May 2006 and February 2009. A total of 50 out of 59 cases were diagnosed with posthepatitic cirrhosis in decompensatio stage before transplantation, including 15 cases having positive hepatitis B DNA. Before liver transplantation, 5 cases accepted Lamivudine, 1 case accepted Adefovir dipivoxil, and 1 case accepted Entecavir. Treatment time ranged from two weeks to one year. All the patients accepted intramascular injection of anti-hepatitis B immunoglobulin, 200 U/d; which were adjusted in the light of hepatitis B surface antibody titer. A total of 55 out of 59 cases accepted Lamivudine, 3 cases accepted Adefovir dipivoxil, and 1 case accepted Eetecavir after liver transplantation.  
    RESULTS AND CONCLUSION: Two patients underwent hepatitis b virus reinfection, but HBV variants (YMDD) reinfection was not determined, one of which occurred in one year after liver transplantation with positive pre-OLT serum hepatitis b virus DNA, another after one year with negative pre-OLT serum hepatitis b virus DNA. The reinfection rate of group with negative or positive pre-OLT serum HBV DNA was 2% and 7%, respectively. It was maybe well prevention and cure of hepatitis B after liver transplantation that patients accepted nucleoside anti-hepatitis B medicine combined with low dose anti-hepatitis B immunoglobulin (200 U/d).

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    Lowering the rate of perfluorochemical oxygen carrier solution to preserve liver by cold machine perfusion
    Wang Yong, Zhao Hao-liang, Han Zhen-guo, Wu Shuai, Zhang Zhi-yong
    2010, 14 (5):  815-817.  doi: 10.3969/j.issn.1673-8225.2010.05.014
    Abstract ( 394 )   PDF (503KB) ( 397 )   Save

    OBJECTIVE: To explore the association between low flow rate and reperfusion injury during the process of preserving liver by cold machine perfusing perfluorochemical oxygen carrier solution.
    METHODS: Forty-four male adult Wister rats were randomly divided into normal, control, experimental Ⅰ and experimental Ⅱ groups. In the normal group, the removed liver was performed isolated reperfusion guided by Clavien method. In the other 3 groups, the removed liver was infused through the portal vein by the 4-5 ℃ conserved perfluorochemical oxygen carrier solution. The infused rate was controlled at 0.4, 0.2, 0.1 mL/(min·g) with 18 hours perfusion, After that , isolated reperfusion was performed. The activity of aspartate aminotransferase, alanine transaminase and endothelin mass concentration of the effluent was detected at minutes 10, 30, and 60 after reperfusion. The histopathological changes of liver under light and election microscopy were also observed.
    RESULTS: The activity of aspartate aminotransferase, alanine transaminase and endothelin mass concentration had no remarkable differences between the experimental Ⅰ group and control group (P > 0.05). The differences between the experimental Ⅱ group and control group were remarkable (P < 0.05). The light and electron microscopy showed that the histopathological changes of liver in the control and experimental Ⅰ groups was lightener than experimental Ⅱ group.
    CONCLUSION: During the process of preserving liver by cold machine perfusion, the rate of 0.1ml/(min·g) perfluorochemical oxygen carrier solution increase the injury of hepatocyte and sinusoidal endothelial cells, which eventually result in severity of reperfusion injury.

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    Correlation between total bile acid/phospholipid ratio and relative warm ischemia injury to the biliary tract in rat liver transplantation
    Ren Xuan-lei, Zhao Hong-feng, Zhang Guo-wei, Wang Yu, Zhou Jie 
    2010, 14 (5):  818-823.  doi: 10.3969/j.issn.1673-8225.2010.05.015
    Abstract ( 282 )   PDF (1397KB) ( 391 )   Save

    BACKGROUND: Studies have shown that long time of warm ischemia or cold preservation would injury the biliary tract in liver transplantation. However, whether relative warm ischemia (RWI) of biliary tract would result in bile component changes is unclearly.
    OBJECTIVE: To establish auto-liver transplantation bile ducts RWI models, observe the effects of RWI on the bile salts and phospholipid concentration secreted by the donor liver, and to study the correlation between the total bile salt∕phospholipid ratio (TBA∕PL ratio) and biliary tract injury.
    METHODS: A total of 32 SD rats were selected for auto-liver transplantation models with bile ducts RWI, and the rats were randomly divided into 4 groups (n=8). In Group Ⅰ (sham operation group), rats only received liver dissociation without any cold reperfusion. The RWI time of GroupⅡ, Ⅲ, and Ⅳ were 0 minutes, 30 minutes and 60 minutes, respectively. The concentration of TBA in bile was measured with enzymatic cycling assay, and PL with enzymic colorimetric. Pathological observation with light microscope and ultrastructural observation with transmission electron microscope were performed on the hilar bile duct. The endothelial cell apoptosis was detected with TUNEL assay. The correlation between TBA∕PL ratio and biliary injury was analyzed.
    RESULTS AND CONCLUSION: One rat died, the other 31 rats were included in the final analysis. RWI could change the composition of bile secreted by donor liver, raise the TBA∕PL ratio, and increase the bile toxicity. These changes had a positive correlation to RWI time, and the changes were obviously with time prolonged. In addition, the changes are closely related to the biliary tract injury. This study shows an important mechanism of the biliary tract injury caused by RWI-injury.

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    Effects of cyclosporine combined with transforming growth factor beta 1 plasmid on rat immunological reaction following liver transplantation
    Zhang Yan, Chen Xi-hai, Ji Yan-chao, Zhai Zhe, Wu Bo
    2010, 14 (5):  824-827.  doi: 10.3969/j.issn.1673-8225.2010.05.016
    Abstract ( 242 )   PDF (328KB) ( 384 )   Save

    BACKGROUND: Most patients who underwent liver transplantation would suffer acute rejection or transplanted liver failure resulted by chronic rejection, therefore, inducing specific immune tolerance via varied pathways is the ideal method to solve this problem.

    OBJECTIVE: To treat rat transplanted liver by injecting transforming growth factor β1 (TGF-β1) plasmid, and to analyze the relationship between TGF-β1 and allograft rejection from gene level.
    METHODS: A total of 30 male, Wistar rats were served as allogenic liver donors, and 10 male, SD rats served as syngeneic donors Totally 40 male SD rats were served as liver recipients, and divided into 4 groups by order number table: allogenic transplantation, syngeneic transplantation, ciclosporin, and ciclosporin plus TGF-β1 groups. In each group, rat orthotopic liver transplantation model was established by modified Kamada and improved two-cuff technique. After modeling, rats were received cyclosporine 1-5 days in the cyclosporine group, or intraperitoneal injected ciclosporin for 1-5 days, combined with TGF-β1 plasmid 0-2 days in the cyclosporine plus TGF-β1 group. No intervention was performed in the other groups. The survival time of rats were recorded, and the pathological changes was detected at days 3, 7, 14, 21, and 28 after transplantation, then the mixed lymphocyte culture was performed..

    RESULTS AND CONCLUSION: The survival time of rats in syngeneic transplantation group and cyclosporine plus TGF-β1 group was more than 60 days, which was obviously greater than that of allogenic transplantation and cyclosporine groups (P < 0.05). The histopathologic slide showed that there was moderate and severe acute rejection, with evident intrahepatic inflammatory cell infiltration in the allogenic transplantation and cyclosporine groups. Few rejections were observed in the syngeneic transplantation group, which was close to the normal lever tissues. Mixed lymphocyte culture of the cyclosporine plus TGF-β1 group was superior to the syngeneic transplantation group or cyclosporine group (P < 0.05). The results demonstrated that cyclosporine combined with local injection of TGF-β1 plasmid can relieve post-transplant immune rejection.

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    Ovarian tissue autografe after cryopreservation in rats
    Ju Xiao-hong, Ma Ai-xin, Wang Dong
    2010, 14 (5):  828-832.  doi: 10.3969/j.issn.1673-8225.2010.05.017
    Abstract ( 261 )   PDF (375KB) ( 538 )   Save

    BACKGROUND: Vitrification is a comparatively new technology which applies high concentration cryoprotectant and rapid refrigeration. By the method, the cells were quickly frozen and to avoid damage by ice crystals inside and outside.
    OBJECTIVE: To compare the effect of four cryoprotectants on morphology and function of ovarian tissue in rats after vitrification.
    METHODS: The rats were randomly assigned into six groups with 6 rats for each: DMSO + EG, DMSO + EG + sucrose, DMSO + EG + sucrose + acetamide, EG + sucrose + acetamide, ovariectomized, and normal control groups. The ovarian tissues of four freezing groups were treated with the corresponding cryoprotectants, the vitrified ovarian tissues were then resected but not frozen and transplanted; otherwise, tissues were not treated with any treatment in the normal control group. Two weeks after freezing, the tissues were thawed and heterotopic-transplanted into femoribus internus of hind limb. At 30 days after implantation, vaginal epithelial cells and estrus cycle were observed, while after three months, blood were collected to detect the level of estradiol (E2) and the ovarian tissues were reclaimed to analyze their morphological changes.
    RESULTS AND CONCLUSION: All ovarian tissues were damaged after cryoprerservation in four freezing groups. The rates of healthy primordial follicles were 67.9%, 71.6%, 80.5%, and 59.4%, respectively, while healthy primary follicles were 41.6%, 52.3%, 55.9%, and 36.7%, respectively. In all freezing groups, the rate of the healthy follicles in DMSO + EG + sucrose + acetamide group was higher than DMSO + EG group and EG + sucrose + acetamide group (P < 0.05). No significant difference was found in the proportion of follicles at different development stages among four groups. The typical secondary follicle was not found in four groups. Damaged ovotid showed oocyte pyknosis and vacuolation in cytoplasmic area. There was not typical cell type of all freezing groups. Ovarian autografting gained visible vascularity from surrounding tissue that connected ovarian tissue to form net. There was a lot of blood capillary in transplanted ovarian tissues and clumped primordial follicles in cortical substance. The rates of primary follicles and secondary follicles were lower than primordial follicles. The level of serum estradiol was obviously decreased compared with normal control group (P < 0.01). There was significant difference between DMSO + EG + sucrose + acetamide group and other three freezing groups (P < 0.05). Four kinds of freezing methods have poor effects on different stages of follicles and the structure of ovarian tissue. DMSO + EG + sucrose + acetamide group is an optimal protocol for cryoprerserving ovarian tissue. Freezing methods still need to explore further because the rats had not appeared disciplinary estrus cycle after ovarian autografting.

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    Effects of n-3 fatty acids on cardiac allograft vasculopathy
    Li Zhong-dong, Yin Rong, Zhu Jia-quan, Huang Hai-rong, Qian Jian-jun, Gu Wei-dong, Jing Hua
    2010, 14 (5):  833-837.  doi: 10.3969/j.issn.1673-8225.2010.05.018
    Abstract ( 334 )   PDF (464KB) ( 615 )   Save
    BACKGROUND: Fish oil is one of mainly natural resources of n-3 fatty acids, which can inhibit cardiac allograft vasculopathy (CAV) and prolong the survival of cardiac allograft. But, the mechanism is unclear. Recent in vitro data suggested that n-3 fatty acids could inhibit the release of inflammatory transmitter by the activation of peroxisome proliferator-activated receptor-γ (PPARγ).
    OBJECTIVE: To test the hypothesis that n-3 fatty acids from fish oil ameliorates CAV development via activating PPARγ.
    METHODS: A total of 6 Lewis rats and 18 Fisher344 rats were randomly selected as heart donors. An additional 24 Lewis rats were randomly and equally divided into 4 groups. In isograft group, heart transplantation was performed among Lewis rats, without any drug. In low-dose fish oil-treated group, F344→Lewis transplantation was performed. At 1 day following surgery, 0.03 mL/kg fish oil was treated by gavage for 8 weeks. In high-dose fish oil-treated group, F344→Lewis transplantation was conducted. At 1 day following surgery, 0.06 mL/kg fish oil was treated by gavage for 8 weeks. In control group, F344→Lewis transplantation was conducted. Cyclosporine A was administrated by gavage for 8 weeks. In the low-dose and high-dose fish oil-treated groups, cyclosporine A (1.5 mg/kg) was given daily by intramuscular injection for 2 weeks following surgery. CAV was evaluated by histological examination. Activity of nuclear factor (NF) κ-B and PPARγ was assessed in homogenate. Contents of monocyte chemoattractant protein-1 and interferon-inducible protein 10 were measured by enzyme-labeled immunosorbent assay (ELISA). Chemokine receptor CCR2 and CXCR3 expression was determined by real-time quantitative reverse transcription-polymerase chain reaction (RT-PCR).
    RESULTS AND CONCLUSION: All 24 receptor Lewis rats were survived following surgery. The donor heart could regularly beat at 8 weeks following transplantation. Compared with the isograft group, severe CAV was detected in the control group at 8 weeks. Compared with the control group, CAV was significantly relieved, the activity of PPARγ was significantly elevated, the activity of NF κ-B was significantly decreased, levels of intragraft monocyte chemoattractant protein-1 and interferon-inducible protein-10 were significantly reduced in the low-dose and high-dose fish oil-treated groups (P < 0.001, P < 0.05), especially in the high-dose fish oil-treated group (P < 0.05). There was no significant difference in expression of chemokine receptors CXCR3 in the low-dose and high-dose fish oil-treated groups and control group. Our results demonstrated that n-3 fatty acids from fish oil can attenuate CAV development, possibly through activating PPARγ and subsequently inhibiting the NF-κB activation, the chemokines secretion and its receptor expression in a dose-dependent fashion in rat models.
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    Pentoxifylline for random flap survival: Evaluation using laser-Doppler blood reperfusion image
    Shao Hong-bo, Yao Yue-ming, Zhang Qing-fu, Feng Jian-ke, Bai Yong-qiang, Wang Che-jiang
    2010, 14 (5):  838-842.  doi: 10.3969/j.issn.1673-8225.2010.05.019
    Abstract ( 379 )   PDF (407KB) ( 496 )   Save

    BACKGROUND: Pentoxifylline (PTX), as an effective drug to improve blood rheology, has been used as a vasodilator for the treatment of vascular diseases and peripheral vascular disease science 1960s. But the role of PTX on skin blood flow to improve flap survival remains still unclear.
    OBJECTIVE: Through the clinical application of PTX therapy, the dynamic observation of random flap to understand that the PTX can promote flap survival and improve blood circulation of flap.
    METHODS: A total of 39 patients (27 males and 12 females aging 7-54 years) with skin tissue defect undergoing random flap repairing were selected from Department of Burn and Plastic Surgery, First Hospital of Hebei Medical University. The 39 cases were randomly divided into control group and drug group. Patients in the drug group were given intravenous injection of 250 mL PTX at day 2 after random flap operation, once a day, until 14 days after flap repairing surgery. On the first day after flap pedicle surgery, 250 mL PTX sodium chloride injection was intravenously given, once a day, until 7 days after flap pedicle surgery. The control group was not given PTX treatment. The value of blood perfusion (PU) was measured using laser-Doppler blood reperfusion image after flap transplantation, before and after pedicle division.
    RESULTS AND CONCLUSION: All 39 patients were completely cured and discharged, with no interruption experiments. Before pedicle division, PU value at distal flap in both drug and control groups were increased obviously, and the PU value in the drug group was significantly higher than control group (P < 0.05); after pedicle division, the PU value in the two groups were decreased, and there was no significant difference between the two groups (P > 0.05). Prior to pedicle division, the PU value of pedicle was gradually decreased and then increased in the drug group, and that in the control group was gradually increased. On the seventh day, the PU value of pedicle was stable in the drug group, and there was no significant difference between the two groups (P > 0.05); after pedicle division immediately, the PU values of pedicle were decreased in the two groups, and then the increase in the drug group was remarkable compared to control group (P < 0.05). Two sets of random flaps all survived, and skin defects were successfully repaired after pedicle division. PTX can markedly increase blood perfusion after random flap transplantation, promote flap survival and pedicle division in an early stage, and effectively shorten the healing time.

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    Lentivirus-mediated soluble tumor necrosis factor receptor 1 expression in mouse bone marrow-derived immature dendritic cells  
    Huang Yi-hong1, Chao Ya-li1, Tang Ren-xian2, Wang Shu-hua1, Zeng Ling-yu1, Chen Chong1, Pan Xiu-ying1, Xu Kai-lin1
    2010, 14 (5):  841-846.  doi: 10.3969/j.issn.1673-8225.2010.05.044
    Abstract ( 301 )   PDF (301KB) ( 544 )   Save

    BACKGROUND: Tumor necrosis factor-α (TNF-α) is one of important cytokines to promote the maturation of dendritic cells. Blockage of TNF-α action by binding with soluble tumor necrosis factor receptor 1 (sTNFR1) may arrest dendritic cells in an immature state and induce stable, long-term tolerance.
    OBJECTIVE: To construct the lentiviral vectors carrying sTNFR1 gene and investigate sTNFR1 expression in immature dendritic cells. 
    METHODS: Total RNA of human peripheral blood mononuclear cells was taken as a template. The sTNFR1 gene fragment was amplified by RT-PCR, subcloned to the lentiviral vectors pXZ208, and ligated to the enhanced green fluorescent protein (eGFP) reporter gene to establish lentiviral vector, called pXZ9-sTNFR1. DNA sequencing was performed for lentiviral vector identification. Lentivirus was prepared by transfection of 293 FT cells with pXZ9-sTNFR1. Viral titer was determined by eGFP expression. C57BL/6 mouse bone marrow-derived dendritic cells were in vitro cultured with low-dose granulocyte-macrophage colony stimulating factors and interleukin 4. On day 5 of culture, immature dendritic cells were transfected with pXZ9-sTNFR1 recombinant lentiviral supernatant. sTNFR1 transcription was detected by RT-PCR, sTNFR1 protein expression by Western blot analysis. Following sTNFR1 gene modification and lipopolysaccharide stimulation, the phenotype characteristics of dendritic cells were observed.
    RESULTS AND CONCLUSION: Recombinant plasmid pXZ9-sTNFR1 was successfully constructed. Twenty-four hours after 293 FT cell transfection, eGFP expression was observed and viral titer was over 106 U/L. RT-PCR demonstrated that pXZ9-sTNFR1-transfected immature dendritic cells showed sTNFR1 positive expression. Western blot analysis revealed that sTNFR1 protein appeared in the immature dendritic cells and supernatant following 293 FT cell transfection. On day 5 of culture, dendritic cells expressed low level of class Ⅱ major histocompatibility complex (MHC Ⅱ), as well as CD40, CD86, CD80, molecules. However, following lipopolysaccharide stimulation, dendritic cells expressed high level of MHC II, as well as CD40, CD80, and CD86, molecules, exhibiting the phenotype characteristics of mature dendritic cells. But after sTNFR modification, the expression level of MHC II, as well as CD40, CD80, and CD86, molecules was not altered obviously. Lentiviral vectors carrying sTNFR1 gene and eGFP reporter gene were successfully constructed, and recombinant lentiviral plasmids with high titer were acquired. Following high efficacy of lentiviral gene transfection, immature dendritic cells stably express sTNFR1 mRNA and protein, which prevents immature dendritic cells from activation by exogenous lipopolysaccharide and maintains the immature state.

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    Suggestion of cell injury during islet cell transplantation
    Gao Hong-jun, Zhao Ming, Liang Tai-sheng, Nong Qian, Luo Huan, Wu Pei-zhong, Huang Bing
    2010, 14 (5):  843-847.  doi: 10.3969/j.issn.1673-8225.2010.05.020
    Abstract ( 296 )   PDF (344KB) ( 401 )   Save

    BACKGROUND: The incompatible reaction may occur after islet transplantation, which affects the survival and functions of cells.
    OBJECTIVE: To explore the islet cells injury and its causes during islet transplantation.
    METHODS: The pancreases of voluntary, brain death, donors were isolated by collagenase, and the islet cells injury was measured with different cold ischemia times. The islet cells were cultured with blood as follow: HLA matching group: recipient whole blood + islet cells, recipient whole blood + islet cells + heparin; HLA mismatching group: recipient whole blood + islet cells, recipient whole blood + islet cells + heparin; Control group: recipient whole blood + RPMI1640. The potential injury to islet cells was observed.
    RESULTS AND CONCLUSION: The pancreases were smoothly obtained. The activity of islets may be more than 80% within 5 hours of ischemia preservation time, which was less than 19% if the cold ischemia preservation time was over 8 hours. When human islets were exposed to human blood, it will induce a rapid consumption of blood cells, no matter HLA matching or HLA mismatching. After adding heparin into the blood, these events were avoided. At 24 hours of in vitro culture, the number of survival islet cells in the HLA matching group was greater than that of the HLA mismatching group (P < 0.05). The results described that cold ischemia time affects islet cells activity, reduce the cold ischemia preservation time within 5 hours and HLA typing are conductive to enhance the quantity of living islets.

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    Construction of mouse interleukin-10 recombinant adenovirus vector and gene modification for dendritic cells
    Xu Fei, Chen Chuan-hui, Lin Yao-guang, Zhang Wei
    2010, 14 (5):  848-853.  doi: 10.3969/j.issn.1673-8225.2010.05.021
    Abstract ( 328 )   PDF (700KB) ( 515 )   Save

    BACKGROUND: Few reports concern the effects of dendritic cells-a kind of antigen presenting cells, and interleukin-10 (IL-10) on airway hyperreactivity or inflammation.
    OBJECTIVE: To construct mice IL-10 recombinant adenovirus vector Ad-mIL-10 to acquire the dendritic cells modified by mIL-10, which can provide a foundation for the further study.
    METHODS: Mouse IL-10 (mIL-10) gene comprise of enzyme cutting spot was synthesized according to the mIL-10 gene sequence and multiclone spot of adenovirus vector, connected to pMD18-T vector and sequenced. MIL-10 was subcloned to BD Adeno-XTM vector, packed and augmented in HEK 293 cells, following determine the protein expression, and the vector was transfected to mice bone marrow-derived dendritic cells.
    RESULTS AND CONCLUSION: Recombinant adenovirus vector Ad-mIL-10 was successfully synthesized, packed and augmented, which could highly express protein IL-10. Bone marrow-derived dendritic cells were successfully cultured and transduced in vitro. It suggested that it is feasible to transfect mice dendritic cells by Ad-mIL-10 adenovirus vector. The study can provide more sufficient theoretic evidence for the possibility of correlative gene therapy.

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    In vitro amplification and ultrastructure of dendritic cells from mouse bone marrow
    Wu Shu-yan, Wang Xiang-ying, Yang Gang, Li Su-an, Huang Rui
    2010, 14 (5):  854-857.  doi: 10.3969/j.issn.1673-8225.2010.05.022
    Abstract ( 395 )   PDF (567KB) ( 479 )   Save

    BACKGROUND: Dendritic cells (DCs) constitute the dominant population of antigen presenting cells (APCs) by possessing potent ability to initiate T cell immunity. The ultrastructure study of DCs is less reported.
    OBJECTIVE: To investigate the ultrastructure of DCs from mice bone marrow at different maturation stages, and the morphology of DCs between CD40 ligation and tumor necrosis factor-alpha (TNF-α) stimulation in vitro.
    METHODS: Mice myeloid DCs were generated from bone marrow in vitro using granulocyte-macrophage colony-stimulating factor (GM-CSF) and interleukin-4 (IL-4). Immature DCs were loaded with apoptotic tumor cells (AP-DC), and AP-DC was then stimulated with CD40L-CHO cells and TNF-α for 48 hours, respectively. DCs were routinely sectioned, and ultrastructure was observed under transmission electron microscope.
    RESULTS AND CONCLUSION: Immature DCs showed a few short and blunt cytoplasmic processes, there were specific morphology lysosomes that liked earphone in some cells; DCs engulfing the apoptotic bodies were observed; sub-cellular structures between CD40 ligation and TNF-α stimulated DCs were different, the former had typical morphology of mature DCs which exhibited many dendritic protrusions, however, some DCs displayed apoptosis and autophagy after TNF-α stimulation. In a conclusion, CD40 ligation plays an essential role in myeloid DCs differentiation and maturation, TNF-α can mediate apoptosis and autophagy of DCs.

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    Effects of benazepril on peritoneal fibrosis in rats with peritoneal dialysis
    Li Jian-fei, Wen Li-qing, Liu Fu-you, Liu Hong, Peng You-ming
    2010, 14 (5):  858-861.  doi: 10.3969/j.issn.1673-8225.2010.05.023
    Abstract ( 394 )   PDF (374KB) ( 439 )   Save

    BACKGROUND: It has confirmed that angiotensin converting enzyme inhibitor benazepril can delay fibrosis of varied organs. However, whether benazepril has inhabited effect on peritoneal fibrosis in the process of peritoneal dialysis is poorly understood.
    OBJECTIVE: It is assumed that benazepril could inhabit peritoneal fibrosis of peritoneum with peritoneal dialysis, in addition, to compare the effect to other mehods.
    METHODS: All rats were randomly and evenly divided into 4 groups. There was no intervention in the control group; saline solution, and 20 mL 42.5 g/L Dianeal solution, was injected into rats in the saline solution and peritoneal dialysis groups; in the combination group, 20 mL 42.5 g/L Dianeal solution was injected combined with oral taken benazepril 20 mg/(kg·d). The intraperitoneal injection performed once a day, for 4 successive weeks. The ultrafiltration function was performed 4 weeks later. Meantime, Paraffin sections were cut and stained by Van Gieson to measure peritoneal thickness.
    RESULTS AND CONCLUSION: Two rats in the peritoneal dialysis group and 1 rat in the combination group were dead. The remained 37 rats were included in the final analysis. Compared to the control and saline solution groups, the ultrafiltration volume of the peritoneal dialysis and combination groups were obviously decreased (P all < 0.05), especially notably decreased in the combination group (P < 0.05). Compared to the control group and saline solution groups, the peritoneal thickness was significantly elevated in the combination group, but not as much as in the peritoneal dialysis group (P < 0.05). In the long-term peritoneal dialysis rats, administration of benazepril can effectively protect the ultrofiltration function of peritoneum and delay the progression of peritoneal fibrosis.

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    Reparation of skin donor site wound using recombinant human epidermal growth factor
    Guo Xing, Tan Mei-yun, Guo Li, Xiong Ai-bing, Li Yue-gang, He Xiao-chuan
    2010, 14 (5):  862-865.  doi: 10.3969/j.issn.1673-8225.2010.05.024
    Abstract ( 394 )   PDF (311KB) ( 619 )   Save

    BACKGROUND: The traditional treatment for skin donor site wound was focus on anti-infection and wound protection, which took a long time for healing. Studies demonstrated that recombinant human epidermal growth factor (rhEGF) has accelerated effect on epidermal regeneration.
    OBJECTIVE: To observe the effect of rhEGF on wound healing of skin donor site.
    METHODS: A total of 32 cases needs wound healing by skin grafting were collected, including 18 males and 14 females. The 32 skin graft donor site wounds were randomly divided into control and treatment groups. In the treatment group, the absorbent gauze was sprinkle soaked with rhEGF (15 mL/ramus, 2 000 IU/mL) and covered the donor site, twice per day. In the control group, donor site was covered by physiological saline gauze and wrapped with dressing, twice per day. After 48 hours, semi-exposed therapy was performed. The healing time of wounds, the systemic and local adverse reactions of patients and blood routine examination and renal function detection prior to and after treatment were observed.
    RESULTS AND CONCLUSION: The healing time of wound in the rhEGF treatment group was shorter than that in the control group with significant differences (P < 0.01). No Adverse events or side effects were observed in the rhEGF treatment group. rhEGF can shorten wound healing time, reduce scar hyperplasia, and accelerate epithelization at the graft donor.

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    Arthroscopic reconstruction of cruciate ligaments using homologous ligaments in 60 cases
    Liu Wen-xiang, Xu Bin, Xu Hong-gang, Xia Liang-rui
    2010, 14 (5):  866-869.  doi: 10.3969/j.issn.1673-8225.2010.05.025
    Abstract ( 337 )   PDF (354KB) ( 495 )   Save

    BACKGROUND: Autoallergic ligments is used widely in arthroscopic cruciate ligaments reconstruction. However, the therapeutic effect of the surgery is affected severely by the complication at drawing place of the autoallergic ligaments.
    OBJECTIVE: To explore the application and therapeutic effect of homologous ligaments in arthroscopic reconstruction of cruciate ligments.
    METHODS: A total of 60 patients who received homologous ligaments at the Second Department of Orthopaedics, The First Affiliated Hospital of Anhui Medical University from December 2006 to December 2008 were selected, including 42 males and 18 females, aged 20-42 years. Totally 46 cases had anterior cruciate ligament injury, and 14 cases had posterior cruciate ligament injury. All patients received arthroscopic cruciate ligaments construction under arthroscopy. Physical and clinical examination and Lysholm score had been performed prior to and at 6-12 months after construction.
    RESULTS AND CONCLUSION: A total of 57 cases (60 cases) were followed up 6-21 months. The incision healed well, without serve immunological rejection. Four cases had hematocele of the articular cavity, which were regressed after puncturing of the articular cavity and packing with compression. All preoperative symptoms got better apparently. The Lysholm score was obvious elevated than that prior to operation (P < 0.05). The results demonstrated that reconstruction of cruciate ligaments with homologous ligments can recovery the stability and knee function, avoid the complications of autografts. It also has advantages in terms of easy operation, small injury and less complication.

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    Questionnaire regarding awareness of corneal transplantation and corneal donation for medical staffs from different departments of 5 hospitals in Chengde city
    Deng Zhi-hong, Dong Wei-li, Tan Xiao-bo, Fu Xiao-xiao, Jia Shu-jun, Wang Shao-mei
    2010, 14 (5):  870-873.  doi: 10.3969/j.issn.1673-8225.2010.05.026
    Abstract ( 333 )   PDF (286KB) ( 408 )   Save

    BACKGROUND: The reason for the short of cornea donator is the olden donating conception or the limit knowledge of cornea transplantation remains poorly understood. 
    OBJECTIVE: To explore the awareness level of the medical staff to corneal transplantation and corneal donation.
    METHODS: The study consisted of 820 medical staff from different departments of 5 hospitals, including doctor, nurse, technician, and administrator. Awareness level was evaluated with an interviewer-study.
    RESULTS AND CONCLUSION: Totally 805 interviewer-studies were effect. The correct answer fill rate in department of ophthalmology was higher than other departments. Different measures should be taken to teach the medical staff to improve the awareness level of the transplantation and corneal donation.

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    Medical assessment of living-relative kidney donors prior to transplantation in 77 cases
    Wang Qiang, Cai Ming, Shi Bing-yi, Qian Ye-yong, Li Zhou-li, Pei Xiang-ke, Xu Liang
    2010, 14 (5):  874-878.  doi: 10.3969/j.issn.1673-8225.2010.05.027
    Abstract ( 344 )   PDF (513KB) ( 437 )   Save

    BACKGROUND: Living-donor kidney transplantation is not only associated to prognosis of recipients, but also donors’ healthy. Complete medical and psychological assessment should be performed prior to transplantation to ensure the safety of donors.
    OBJECTIVE: To analyze and summarize the assessment experience of living-relative kidney donors prior to transplantation.
    METHODS: Totally 77 cases of living-relative kidney donors admitted at Organ Transplantation Center, Second Affiliated Hospital of General Hospital of Chinese PLA between January 2006 and March 2008 were reviewed. Among them, the analysis was carried out respectively according to the live donor nephrectomy guide of the United Kingdom (2005 Edition) before January 20, 2008, and live donor kidney transplantation consensus Boao meeting after January 20, 2008. In common practice, hypertension, diabetes mellitus, cardiovascular system, infectious disease study, age, obesity, proteinuria, renal artery, renal function, receptor for HLA typing and medical ethics, were systematically evaluated.
    RESULTS AND CONCLUSION: Of the 77 cases of assessed patients, 69 were qualified, successful donors, and completely cured, without complications. Totally 8 cases of non-donors were due to: 2 cases for hypertension combined with end organ damage; 2 for diabetes mellitus; 1 confirmed malignant tumor in kidney-donated surgery; 1 in the activity period of hepatitis B; 1 for resistance from his wife with medical ethics. The average age of donors was 45.3 years old, including and 7 cases above 60 years old, 24 of 50-59 years old, 29 of 30-49 years old, and 9 below 30 years old. There were 39 cases of parent child donation, 1 child parent donation, 19 siblings donation, 7 cases of three generations of collateral serum, and 3 cases of donation between husband and wife. Of successful donors, blood pressure was above 140/90 in 8 cases; Successful donors were without symptoms of myocardial ischemia but 14 cases had consciously ECG ST-T changes; 3 cases had abnormal fasting blood glucose. The successful donors’ body mass index (BMI) reached the average of 23.05 kg/m2, were below 30 kg/m2; In assessment of infectious diseases, 3 cases were hepatitis B HBs and HBc-positive in a non-activity period, and the antibody titers were below 500 IU/L. In renography, glomerular filtration rate (GFR) was assessed to average (137.3±28.5) mL/min, and no significant statistical difference emerged (P < 0.05). Vascular three-dimensional CT prompted many left renal artery root in 3 cases, accounting for 4% in successful donors, 1 case did not match, accounting for 1%. It demonstrated that the primary purpose of assessment of living-donor renal transplantation is to ensure that the adaptability, safety and health of donors. In order to avoid the omission of important medical information and unnecessary invasive inspection, as well as reducing the fees of medical assessment, the assessment should be based on the familiar, universally recognized, clinical evidence-based and reasonable procedures and the flexible assessment process.

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    A single-center 10-year report containing 94 kidney transplantation cases with different living-related donors: Is there a relationship among donor, type matching and transplantation effect?
    Chen Yu, Zhang Lei, Wang Li-ming, Zeng Li, Zhu You-hua
    2010, 14 (5):  879-882.  doi: 10.3969/j.issn.1673-8225.2010.05.028
    Abstract ( 332 )   PDF (315KB) ( 433 )   Save

    OBJECTIVE: Some studies have documented that living donor kidney transplantation has a better clinical results than cadaveric donors, however, it is poorly understood whether different living-related donors has different effects on kidney transplantation. The aim of this study is to discuss the clinical results of different living-related donors on kidney transplantation, in addition, to analyze the related problems including the donor selection, and relation of type matching with transplantation results.
    METHODS: Donors comprise 36 males and 58 females, aged (42.6±8.8) years. There were 72 males and 22 females received kidney transplantation, aged (33.9±8.7) years. Except for 6 cases being donated by spouse, 35 cases were donated by parents and 53 cases were donated by brothers and sisters. As to human leucocyte antigen (HLA) matching, 18 cases were full matched, 2 cases shared one-haplotype mismatched, 5 cases with 2-haplotype mismatched, 2 cases with 3-haplotype mismatched, 2 cases with 4-haplotype mismatched, and 1 case with 5-haplotype mismatched, 10 cases with full mismatched. Totally 85 cases had identical blood type, 9 cases had blood type compatibility. All recipients were negative for panel reaction antibody with smaller than 10% of lymphocytotoxicity tests prior to transplantation.
    RESULTS: All donors recovered well. Acute rejection episodes occurred in 8 patients, 4 cases donated by parents, 3 cases donated by siblings and 1 case donated by spouse. One recipient donated by spouse suffered accelerated rejection and delayed graft function recovery occurred. The renal function recovered in 5 weeks post-operation. All cases were reversed successfully by high intravenous dose of methyl-prednisolone or polyclonal anti-T-cell antibodies. A 6 month to 10 years follow-up showed all the donors kept normal kidney function without impairment of life quality, and 92 recipients with 92 grafts survived yet. Two recipients were dead: one due to serious pulmonary infection, and the other due to heart failure. 2 recipients underwent chronic allograft nephropathy.
    CONCLUSION: Living-related donor kidney transplantation has optimal HLA matches, low incidence of acute rejection and long-term surviving ratio and blood relative, which is better for renal transplantation.

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    Evaluation of the safety of living-related donor kidney transplantation: A 38-case analysis within 2 years
    Lai Yan-hua, Sun Xu-yong, Nie Feng, Tan Qin, Dong Jian-hui, Li Zhuang-jiang
    2010, 14 (5):  883-886.  doi: 10.3969/j.issn.1673-8225.2010.05.029
    Abstract ( 423 )   PDF (383KB) ( 459 )   Save

    BACKGROUND: Security of organ donor attracts more attention, because donor complication and transplantation failure always occur following renal transplantation. Therefore, living-related kidney transplantation should be paid much attention in order to make sure life and quality of life.
    OBJECTIVE: To investigate the safety of living-related kidney transplantation.
    METHODS: A total of 38 cases of living relative donor kidney transplantation were retrospectively analyzed. Before transplantation, identify of patients should be determined, and all patients provided the informed consent. The general data of patients were sufficiently dialyzed before transplantation to improve the body status. Tacrolimus or mixture of cyclosporine A, mycophenolate, and adrenal cortex hormone were administrated following transplantation to observe renal function, complication incidence, and acute rejection reaction.
    RESULTS AND CONCLUSION: Due to short waiting time, low price, and long-term survival rate, living-relative donor kidney transplantation has low risk factors for donor. However, the safety still needs to be sufficiently evaluated for donors and recipients.

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    Effect of Wuzhi capsules on whole blood concentration of Tacrolimus in renal transplantation recipients
    Hu Jian-min, Chen Hua, Li Min, Zhao Ming
    2010, 14 (5):  887-890.  doi: 10.3969/j.issn.1673-8225.2010.05.030
    Abstract ( 311 )   PDF (350KB) ( 600 )   Save

    BACKGROUND: It has reported that the combination of Tacrolimus and Wuzhi capsules can increase the peak concentration and area under curve of Tacrolimus recipients, however, the effects of this combination on recipients is poorly understood.
    OBJECTIVE: To investigate the effects of Wuzhi capsules on the blood concentration of Tacrolimus recipients.
    METHODS: A total of 38 renal transplantation recipients receiving triple therapy regime (Tacrolimus+mycophenolate +Prednisolone) were involved in the study and were divided into the experimental group (n=21) and control group (n=17). Recipients in the experimental group were taking Wuzhi capsules simultaneously, and those in the control group were not taking Wuzhi capsules. The Tacrolimus dosage to therapeutic concentration window and renal function were compared between the two groups at months 1, 3 and 6 after transplantation. The incidence rates of acute rejection and diabetes mellitus, and renal and liver functions were observed at 6 months after transplantation.
    RESULTS AND CONCLUSION: The Tacrolimus dosage to therapeutic concentration window of the experimental group was significantly smaller than that of the control group (P < 0.05). However, incidence rate of acute rejection, diabetes mellitus, and renal and liver functions had no dramatically difference in 2 groups (P > 0.05). Results suggest that Wuzhi capsules may improve the immunosuppressive efficacy of Tacrolimus in renal recipients, therefore, can decrease the toxic effect of Tacrolimus with reduction dosage.

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    Changes of panel reactive antibody after kidney transplantation and acute rejection
    Zhang Peng, Ma Lin-lin, Zhang Xiao-dong, Wang Yong, Wang Wei, Hu Xiao-peng, Yin Hang
    2010, 14 (5):  891-894.  doi: 10.3969/j.issn.1673-8225.2010.05.031
    Abstract ( 323 )   PDF (374KB) ( 494 )   Save

    OBJECTIVE: Panel reactive antibody (PRA) can induce acute rejection following kidney transplantation, however, it is poorly understood which PRA is more associated with rejection. Therefore, the aim of this study is to analyze the correlation between PRA and rejection by observing the change of PRA Ⅰ and PRA Ⅱ prior to and after the kidney transplantation. 
    METHODS: Levels of PRA Ⅰ and PRA Ⅱ were observed in 100 patients received kidney transplantation at the Department of Urology, Beijing Chaoyang Hospital Affiliated to the Capital Medical University. During these 100 patients, 18 patients had PRA changes after operation. The relationship between PRA changes after kidney transplantation and acute rejection were analyzed. 
    RESULTS: Totally 18 patients were included in the final analysis. Nine of them occurred acute rejection with obviously increased PRA Ⅱ (P=0.040), however, the PRA Ⅰ had no significant changes (P=0.707). The changes of PRA Ⅰ and PRA Ⅱ had no significance in the remaining 9 patients prior to and after kidney transplantation. The overall level of PRA increased in 7 patients, in 5 patients with increased PRA Ⅱ, 4 patients suffered acute rejection, 1 of which was renal allograft failure; 2 cases with PRA Ⅰ increasing did not occur acute rejection. The overall level of PRA declined in 11 patients, including 5 patients with PRA Ⅱ decreased, 1 patient occurred acute rejection; 4 patients in 6 patients with PRA I declined suffered acute rejection.    
    CONCLUSIONS: The increased PRA II after transplantation easily result in acute r

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    Diagnosis and pathogens distribution in 14 cases with severe pulmonary infection following kidney transplantation
    Wang Yang-min, Zhao Zhi-qiang, Wang Nan, Dong Yong-chao, Yang Qi, Zhao Yu-hai, Lu Shou-lin
    2010, 14 (5):  895-898.  doi: 10.3969/j.issn.1673-8225.2010.05.032
    Abstract ( 404 )   PDF (479KB) ( 516 )   Save

    OBJECTIVE: Strengthen realization of pulmonary infection and perform follow-up plays a key role in preventing severe pulmonary infection following kidney transplantation. The aim of this study is to analyze the diagnosis and pathogens distribution in patients with pulmonary infection following kidney transplantation.
    METHODS: Totally 14 patients with severe pulmonary infection following kidney transplantation, who received treatment at The Department of Urology Center, Lanzhou General Hospital of Lanzhou Military Area Command of Chinese PLA, from May 2004 to September 2008, were analyzed.Including 10 males and 4 females, aged from 20 to 65 (37.3±11.4) years. Six patients suffered pulmonary infection within 3 months, 7 patients occurred pulmonary infection occurred during 3-6 months, and pulmonary infection occurred in 1 patient at 6 months after kidney transplantation. The infection rate was 93% during 6 months after kidney transplantation. The diagnosis of pulmonary infection was according to the clinical manifestation of respiratory system, and combined with specificity display of sternum, CT or detection of pathogen. Oxygen inhale and mechanical ventilation were employed for admitted patients. And electrolytes, acid-base equilibrium was daily detected. Twelve patients accepted “three-medicine” treatment and 2 cases accepted “four-medicine” treatment. The therapeutic drugs could be regulated individually. The dose of immunosuppressive agent was adjusted due to ciclosporin, CD4+/CD8+, and C-reactive protein levels. 
    RESULTS: The pathogens of pulmonary infection were bacteria (5 patients), fungi (4 patients), and mixed infection (3 patients). No pathogen was found in 2 patients. Four patients died of acute respiratory distress syndrome, 1 patient died for quitting treatment. The remained 9 patients were cured. The mortality was 36%, and the recovery rate was 64%.
    CONCLUSION: The cure rate of patients with severe pulmonary infection following kidney transplantation can be increased by early combining antibiotics treatment, regulating immunosuppressive agents, early identifying pathogens, taking respiratory support therapy, as well as adding nutritional supplement.

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     Renal transplantation using brain death free-donated kidney in 6 cases
    Xu Liang, Cai Ming, Li Zhou-li, Wang Qiang, Qian Ye-yong, Shi Bing-yi
    2010, 14 (5):  899-902.  doi: 10.3969/j.issn.1673-8225.2010.05.033
    Abstract ( 328 )   PDF (420KB) ( 546 )   Save

    BACKGROUND: Brain death patient is the optimal donator due to the short warm ischemia time, which is conductive to renal function recover following transplantation. However, there are no reports concerning the recovery of renal function in uremia patients following renal transplantation with brain death patients’ kidney. 
    OBJECTIVE: To summarize the experience and therapeutic efficacy of renal transplantation using brain death free-donated kidney.
    METHODS: Six patients with urinemia underwent renal transplantation with donor kidney of brain death patients from May 2006 to November 2008 at the Organ Transplantation Center, 309th Hospital of Chinese PLA, were selected, including 2 patients receiving kidneys from a brain death patient, 4 patients receiving kidneys from 3 brain death patients. Four recipients received immunosuppressive regimen of mycophenolate+ciclosporin+steroid, and 2 recipients received mycophenolate+ acrolimus+steroid. The renal function and medicine density were detected regularly, and change of renal function and pathogenetic condition were retrospective analyzed.
    RESULTS AND CONCLUSION: All 6 patients accepted renal transplantation successfully. The serum creatinine level was obvious descended in 5 patients within a week after transplantation, which meant that the transplanted kidney had begun to work. One patient suffered delayed renal graft function, and returned to normal at 10 days after transplantation. Three patients suffered acute rejection in the first year, and recovered by intravenous glucocorticoid therapy. One patient died after 1 year for pulmonary infection, which accompanied by serum creatinine of 469 µmol/L. The other patients reexamined regularly, and they had good quality of life up to now. The results reveled that renal function recovers in time after transplantation using brain death free-donated kidney, which can ameliorate life quality of patients.

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    Cyclosporin A instead of Tacrolimus for treatment of hemolytic uremic syndrome in a kidney transplant recipient
    Wang Jin-guo, Wang Na, Zhou Hong-lan, Wang Wei-gang, Chen Bo, Fu Yao-wen
    2010, 14 (5):  903-805.  doi: 10.3969/j.issn.1673-8225.2010.05.034
    Abstract ( 304 )   PDF (258KB) ( 416 )   Save

     A patient with impaired kidney function after kidney transplantation and received treatment at the First Hospital of Jilin University was retrospective analyzed. The patient was male, 45 years old, and was diagnosed hemolytic uremic syndrome by transplanted kidney biopsy. The patient received cyclosporine A (CsA) as maintenance centered immunosuppression therapy postoperatively. He was admitted because of 1 week acratia followed by 1 day increased serum creatinine level at 1.5 years after transplantation. At 1 day after admission, he was received renal needle biopsy, and underwent 2 days Prednisolone treatment. After hemolytic-uremic syndrome was diagnosed, CsA was transferred to Tacrolimus (Fk506) with dose of 2 mg/d, and Azathioprine was replaced by mycophenolate, Prednisone was taken orally for 20 mg/d. The function of the transplanted kidney and the change of routine blood tests were observed. After 1 week treatment of the changed immunosuppression therapy, the function of the transplanted kidney was improved obviously, and the hemoglobin and platelets was decreased during the treatment. The results demonstrated that kidney biopsy is a key method to diagnose hemolytic-uremic syndrome, and adjustment of immunosuppressive agents, replacing CsA with FK506 are effective for postoperative hemolytic-uremic syndrome.

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    Sparganosis mansoni in adipose capsule of the living related donor in one case
    Xie Xu-biao, Peng Long-kai, Peng Feng-hua, Wang Yu, Lan Gong-bin, Yu Shao-jie
    2010, 14 (5):  906-908.  doi: 10.3969/j.issn.1673-8225.2010.05.035
    Abstract ( 500 )   PDF (431KB) ( 922 )   Save

    Parasitism characteristics of spirometra mansoni sparganum in the living donor kidney are analyzed by present cases and relevant literatures. A female aged 49 years voluntarily donated a kidney to her son. Results of healthy evaluation were accorded with the standards of living donor kidney. During repairing kidney, a sliver cyst was found in the adipose capsule on the kidney ventral surface, near to the renal hilum. The cyst was incised, and a ivory white girdle-shaped worm was obtained. After identification, the worm was identified spirometra mansoni sparganum (living body). Pathological examination showed that the cyst developed granulomatous inflammation, combined with neutrophil and eosinophilic granulocyte infltration. Following surgery, the donor and recipient were treated with praziquantel. No proglottid or worm ovum was detected by dung detection within 3 months, without any discomfortable symptom. The infection mode and pathway may be by eating unmatured paratenic host meat or infected cyclops. The donor and recipient should be examined for parasitic infection of sparganosis mansoni prior to transplantation. No significant symptom could be detected following parasitism of sparganosis mansoni in the kidney, so it was seldom found. Worm ovum was examined in feces, which could be the evidence for sparganosis mansoni and for case history inquisition. Eosinophilia in the blood always indicated that chronic parasitic infection. Zoogenetic infection test could be tested when necessary. Sparganum antigen could be used for various immunological tests, which could provide evidence for auxiliary diagnosis of immunology. The diagnosis was usually confirmed by obtaining a polypide by surgery or histological examination. CT scanning and magnetic resonance imaging have diagnostic value of renal sparganosis mansoni.

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    Association between tracheal epitheliums and bronchitis obliterans following lung transplantation
    Zhang Yu, Han Biao
    2010, 14 (5):  911-914.  doi: 10.3969/j.issn.1673-8225.2010.05.037
    Abstract ( 293 )   PDF (568KB) ( 460 )   Save

     Lung transplantation is the only effective treatment for final stage pneumonopathy. However, bronchitis obliterans, as the main of complication, can prevent the long term survival after lung transplantation. Tracheal epithelium cell is the main target organ of the tardive reject reaction. This paper briefly explains the immunologic mechanism regarding the development of bronchitis obliterans, and the role of tracheal epithelium cell in the study, with aim of exploring the initial relationship between tracheal epithelium cell and bronchitis obliterans, and to find a method to solve the long-term survival of lung transplantation.

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    Immune tolerance induced by bone marrow cell infusion
    Ye Ming-ji, Xie Xu-biao, Peng Long-kai
    2010, 14 (5):  915-918.  doi: 10.3969/j.issn.1673-8225.2010.05.038
    Abstract ( 299 )   PDF (495KB) ( 405 )   Save

    OBJECTIVE: To summarize the study of bone marrow cell infusion-induced immune tolerance.
    METHODS: The Pubmed database was researched using the computer for articles published from January 2000 to December 2008 using the key words of “bone marrow cells, transplantation immune tolerance” in English. Simultaneously, Chinese Biomedical Literature Database and China Journal Full-text Database were retrieved for articles published from January 2000 to December 2008 using the key words of “bone marrow cells, immune tolerance” in Chinese. Besides, Organ Transplantation, Transplantation Immune Tolerance and Conference Proceedings of English and Chinese were retrieved by hand. Inclusion criteria: relevant mechanism of immune tolerance; scheme of bone marrow cell infusion-induced immune tolerance; advantages and disadvantages of bone marrow cell infusion-induced immune tolerance; articles in the same circle published in recent years or in authorized journals. Exclusion criteria: repetitive studies or irrelevant articles.
    RESULTS: Mechanism of immune tolerance comprised cleaning, inability, regulation or inhibition, and ignorance. The scheme of bone marrow cell infusion-induced immune tolerance mainly contained bone marrow cell infusion combined with myeloablative pretreatment, bone marrow cell infusion combined with non-myeloablative pretreatment, pretreatment with immunosuppressive drug or chemotherapeutics, pretreatment of costimulatory signaling blockage, bone marrow cell combined with mesenchymal stem cell infusion. Bone marrow cell infusion-induced immune tolerance could induce long-lasting stable specific immune tolerance by effective immune tolerance mechanism, and had been an effective main method for inducing transplanted tolerance.
    CONCLUSION: Up to now, clinical immune tolerance is still uncontrollable and facultative. Bone marrow cell infusion-induced stable immune tolerance can develop a new space for organ transplantation.

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    Application of SM22α promoter and enhancer against angiostenosis following coronary artery bypass grafting
    Chen Li, Deng Yong-zhi
    2010, 14 (5):  919-922.  doi: 10.3969/j.issn.1673-8225.2010.05.039
    Abstract ( 324 )   PDF (450KB) ( 433 )   Save

    BACKGROUND: Great saphenous vein is the most common vascular material in coronary artery bypass grafting, however, the graft neointimal hyperplasia and subsequent atherosclerosis result in angiostegnosis, which affect the long-term efficacy.
    OBJECTIVE: To analyze the pathophysiology and mechanism of the angiostenosis, additionally, to construct smooth muscle cell specific SM22α promoter and SMHC enhancer.
    METHODS: The database of PubMed, HighWire and CNKI were retrieved with key words of “SM22α promoter, SMHC enhancer, stenosis, Pi3k and RNAi/RNA interference”. The language was confined to English and Chinese. The literatures correlated with angiostenosis, VSMC-specific SM22α promoter and enhancer were selected. The reviews and overlapped researches were excluded. In vascular smooth muscle cell proliferation and apoptosis of graft neointimal hyperplasia, as well as the extent of graft thrombosis were considered as evaluation index.
    RESULTS AND CONCLUSION: More than 8 730 literatures were searched by the computer. According to inclusion and exclusion criteria, the SM22α promoter and angiostenosis were analyzed. The neointimal hyperplasia and thrombosis had a strong impact on prospective efficacy after coronary artery bypass grafting. The PI3K-Akt-mTOR pathway was a crucial signal passage which regulated cell proliferation and migration. RNA interference targeting Pik3cb can efficiently suppress the neointimal hyperplasia through down regulating the PI3K-Akt-mTOR pathway. The shRNA eukaryon expression plasmid vectors targeting rat Pik3cb were constructed using VSMC-specific SM22α promoter. On the one hand, it can suppress the neointimal hyperplasia, and on the other, it can prevent the occurrence of thrombosis.SM22α is a specific gene in vascular smooth muscle cell. The studies that applied VSMC-specific SM22α promoter/enhancer to vascular grafting provide a new strategy to prevent angiostenosis and thrombosis.

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    Influence of hyperuricemia on long-term renal allograft function after renal transplantation Is it a factor of chronic renal allograft dysfunction?
    Zou Gui-mian, Sui Wei-guo, Yan Qiang, Che Wen-ti, Chen Huai-zhou, Zou He-qun
    2010, 14 (5):  923-927.  doi: 10.3969/j.issn.1673-8225.2010.05.040
    Abstract ( 296 )   PDF (228KB) ( 452 )   Save

    BACKGROUND: A large number of researches have confirmed that hypertension, vascular nephrosclerosis and chronic systemic inflammatorome were the importance factors of chronic allograft dysfunction. Hyperuricemia is associated with primary hypertension and vascular nephrosclerosis, and can result in chronic systemic inflammatorome, but it was uncertain whether post-transplantation hyperuricemia and its lesion influence the long term graft function.
    OBJECTIVE: To investigate the prevalence of hyperuricemia in renal transplant recipients (RTRs) before and after transplantation and the influence of hyperuricemia on long term graft function.
    METHODS: A total of 216 renal transplant recipients [146 males with the mean age of (40.98±11.09) years and 70 females with mean age of (40.01±11.62) years] with normal renal function after transplantation were selected from PLA Center of Kidney Transplantation and Dialysis, the 181 Hospital of Chinese PLA. In order to compare the influence of different hyperuricemia status on the long term graft function, the patients were divided into 4 groups according their pre-transplant baseline and post-transplant serum uric acid (SUA) levels, SUA normal group, pre-transplant high SUA group, post-transplant high SUA group and both pre-transplant and post-transplant high SUA group. The patients were also divided into 3 groups according to their post-transplantation SUA level to study the influence of SUA on the long term graft function, normal SUA group, hyperuricemia (SUA < 500 μmol/L) group and hyperuricemia (SUA > 500 μmol/L) group. Effects of hyperuricemia and SUA levels pre- and post-transplantation on long term graft function were observed.
    RESULTS AND CONCLUSION: Hyperuricemia existed in 34.2% male RTRs and 37.7% females before transplantation, while it existed in 36.2% male RTRs and 42.4% females at the first month post-transplantation when they had normal Scr levels. The incidence rate of post-transplant hyperuricemia in female RTRs was significantly higher than male RTRs (P < 0.05). The average post-transplantation SUA levels in both male and female RTRs were significantly higher than those before transplantation (P < 0.01). At follow-up end, the pre-transplantation SUA levels did not significantly influence on the long term graft function (P > 0.05), meanwhile the RTRs with continuous post-transplant hyperuricimia had poorer long term graft function than those with normal post-transplantation SUA levels. It is indicated that hyperuricemia is more common in post-transplantation recipients, especially in female RTRs, when compared to pre-transplantation, and post-transplantation hyperuricemia often existed in renal transplant recipients with normal graft function. Furthermore it is suggested that post-transplantation hyperuricimia, but not pre-transplantation hyperuricemia, could also act as a factor inducing chronic renal allograft dysfunction.

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    Influence of sirolimus on transforming growth factor-beta 1 and vascular endothelial growth factor expression in chronic allograft nephropathy
    Jia Rui-peng, Ji Shu-ming, Chen Jin-song, Sun Qi-quan, Cheng Zhen, Zhou Hong, Chen Zhao-hong, Liu Zhi-hong, Li Lei-shi
    2010, 14 (5):  928-931.  doi: 10.3969/j.issn.1673-8225.2010.05.041
    Abstract ( 354 )   PDF (163KB) ( 502 )   Save

    BACKGROUND: Sirolimus (SRL) has a very important effect on preventing and treating acute rejection in renal transplantation. Moreover, it is a potent inhibitor of smooth muscle cell proliferation and migration, and may play a role in preventing chronic rejection and chronic allograft nephropathy. However, the precise mechanism remains unclear.
    OBJECTIVE: To explore the influence of SRL on transforming growth factor-beta 1 (TFG-β1) and vascular endothelial growth factor (VEGF) expression in chronic allograft nephropathy.
    METHODS: A total of 60 renal allograft recipients were randomly divided into SRL group, treated by SRL+ cyclosporine A (CsA) +prednisone (Pred), and Azathioprine (Aza) group, treated by Aza +CsA+Pred. SRL was 6 mg and 2 mg per day in 2 weeks, and changed to 1.0-2.0 mg per day after 2 weeks; CsA was 5.0-7.0 mg per day; Aza was 50-100 mg per day, and Pred was 15-20 mg per day. After two years, the pathological changes of the allografts, serum creatinine of the recipients, distribution of TGF-β1 and VEGF, and hepatic function were observed.
    RESULTS AND CONCLUSION: The patients were followed-up for 2 years. CsA dose was significantly lower in SRL group than Aza group at 1, 3, 12 months postoperatively, but there were no differences in blood plasma CsA C0 concentration between two groups. In Aza group, TFG-β1 was expressed mostly in proximal convoluted tubule, also in glomerulus and interstitial blood vessel. Majority of tissues expressed TFG-β1 in proximal convoluted tubule, and presented at brush border in line. Some tissues expressed TFG-β1 in glomerular splanchnoderm epithelial cells. Additionally, little TFG-β1 was observed in endothelial cells and intercapillary cells. In SRL group, there was significant decreasing staining in proximal convoluted tubule, but there were no differences in glomerulus and blood vessel. In Aza group, VEGF was expressed mostly in glomerular splanchnoderm epithelial cells, and some in endothelial cells and intercapillary cells. VEGF was positively expressed in interstitial vessel, especially in endothelial layer. There was significant decreasing staining in SRL group glomerulus and blood vessel. Compared with Aza group, patient/kidney survival was high, but VEGF and TFG-β1 expression was significantly decreased. Results from the study showed that SRL decreased VEGF and TFG-β1 expression in renal graft, delayed progression of chronic allograft nephropathy, and prolonged survival of allografts.

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    Surgical techniques of orthotopic liver transplantation in rats by a single operator under direct vision
    Lin Yong-hua, Jiang Yi
    2010, 14 (5):  932-936.  doi: 10.3969/j.issn.1673-8225.2010.05.042
    Abstract ( 396 )   PDF (182KB) ( 434 )   Save

    BACKGROUND: Rat model of orthotopic liver transplantation is a very valuable model for experimental study in liver transplantation including organ preservation, tissue ischemia-reperfusion injury, allograft rejection and immune tolerance mechanism. Stable liver transplantation animal model is the basis of the related experimental studies. However, its experimental operation is long and boring, especially performed by a single operator under direct vision.
    OBJECTIVE: To investigate the operation techniques to establish a stable rat model of orthotopic liver transplantation by a single operator under direct vision.
    METHODS: The orthotopic liver transplantation was performed using two-cuff method in 50 pairs of rats. We exposed the abdominal cavity fully, perfused the donor liver through abdominal aorta without flipping donor liver; suprahepatic inferior vena cava was in vivo cut down using one-step method, without diaphragm ring; the suprahepatic inferior vena cava was anastomosed with single-row suture, and the cuff of portal vein was installed by fixing the blood vessel forceps on rubber. Hepatic artery was not reconstructed. Fluid replacement was administered to maintain hemodynamic stability in rats after operation.
    RESULTS AND CONCLUSION: The donor operative time was (36.2 ± 2.5) minutes, donor liver trimming time was (12.2 ± 1.5) minutes, receptor operative time was (45.6 ± 3.5) minutes, suprahepatic inferior vena cava anastomosis time was (10.1 ± 2.1) minutes, portal vein cuff time was (1.5 ± 0.9) minutes, infrahepatic inferior vena cave cuff time was (1.1 ± 0.6) minutes, anhepatic phase was (15.1 ± 2.2) minutes. The success ratio of the operation was 100% and the survival rates within 1 week and 1 month were all 100%. It is indicated that the key factors of a successful model were stable anesthesia, good donor liver perfusion, adequate exposure, skilled microsurgical technology and vascular anastomosis technique.

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    Whether amnion membrane preserved in Honghua injection can prevent tendon adhesion following transplanting into foot flexor tendon?
    Zhao Wen-hai, Yu Dong, Wen Hui, Hao Dong-ming, Zhao Chang-wei
    2010, 14 (5):  937-940.  doi: 10.3969/j.issn.1673-8225.2010.05.043
    Abstract ( 371 )   PDF (141KB) ( 490 )   Save

    BACKGROUND: Recent studies have reported that more and more methods were used to prevent and cure tendon adhesion following tendon rupture by repairing tendinous sheath. Especially, amnion membrane is commonly used to effective prevent and cure adhesion and promote healing of biomembrane; however, the effect on tendon adhesion needs to be further studied.
    OBJECTIVE: To verify the efficacy of amnion membrane preserved in Honghua injection on preventing and curing tendon adhesion following transplanting into foot flexor tendon.
    METHODS: Bilateral foot flexor tendons of 32 healthy mature chickens were cut off. By anastomosis, amnion membrane preserved in Honghua injection was transplanted into left foot flexor tendon, considering as experimental group. Right foot flexor tendons were randomly divided into two groups: blank control group, anastomosis was performed alone; positive control group, amnion membrane not preserved in any injections was transplanted. At 4 weeks after fixation by plaster cast, sliding function of tendon was detected using biomechanics, and local samples were obtained for histopathological observation.
    RESULTS AND CONCLUSION: In the experimental group, broken end of left tendon was well healed; fiber tissues were formed surrounding tendon; tissue adhesion was not observed surrounding tendon. Proliferative quantity and adhesion of fiber tissues, as well as content of hydroxyproline in the experimental group were significantly less than in the blank control and positive control groups (P < 0.05, P < 0.01); total inflexion angle of articulationes digitorum pedis and slipping distance of flexor digitorum profundus tendon in the experimental group were significantly greater than in the blank control and positive control groups (P < 0.05, P < 0.01). The results indicated that amnion membrane preserved in Honghua injection might prevent tendon adhesion and effectively promote tendon healing.

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    Liver transplantation for treating idiopathic adulthood ductopenia
    One case report and literature review
    Chen Hong, Wang Xu, Zhang Qing, Zhao Feng-ling, Tian Yan, Niu Yu-jian
    2010, 14 (5):  947-950.  doi: 10.3969/j.issn.1673-8225.2010.05.045
    Abstract ( 279 )   PDF (295KB) ( 609 )   Save

    To summarize and explore the etiopathogenisis, clinical characteristics, diagnosis and treatment and prognosis of idiopathic adulthood ductopenia. We described a 27-year-old Chinese female initially manifested with jaundice, pruritus, dark urine, and pallor of the stools in October, 2002. Symptoms occurred repetitively and severed progressively, and she received therapy at the General Hospital of Chinese People’s Armed Police Forces. B-ultrasound demonstrated that hepatic lesion and slightly swelling spleen. Pathological diagnosis of liver biopsy showed that she affected idiopathic adulthood ductopenia. The outcome of treatment of ursodeoxycholic acid and adrenal cortical hormone was not significant. She received orthotopic liver transplantation on June 24th, 2005. After liver transplantation, pruritus and jaundice were promptly disappeared. Each index of hepatic function recovered to a normal level. In March 2007, decreased dose of hormone induced an abnormal hepatic function, with mildly acute rejection. Drug dose was regulated, and hepatic function gradually returned to normal. During follow-up 51 months after the operation, she was doing well and was free of symptoms with normal liver function and no evidence of allograft dysfunction. The pathogenesis of idiopathic adulthood ductopenia is still unknown. There are still no precise and effective drugs for treatment of idiopathic adulthood ductopenia. Liver transplantation offers an effective therapy for end-stage patients with idiopathic adulthood ductopenia.

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