Chinese Journal of Tissue Engineering Research ›› 2014, Vol. 18 ›› Issue (18): 2903-2908.doi: 10.3969/j.issn.2095-4344.2014.18.020

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Effects of continuous renal replacement therapy on refractory hypertension in maintenance hemodialysis patients

Zhu Yuan, Zhang Xiao-dong, Song Jie, Li Hui   

  1. Department of Nephrology, Affiliate Hospital of Logistics College of the Chinese People’s Armed Police Forces, Tianjin 300162, China
  • Received:2014-02-06 Online:2014-04-30 Published:2014-04-30
  • Contact: Zhang Xiao-dong, Master, Associate chief physician, Department of Nephrology, Affiliate Hospital of Logistics College of the Chinese People’s Armed Police Forces, Tianjin 300162, China
  • About author:Zhu Yuan, Master, Physician, Department of Nephrology, Affiliate Hospital of Logistics College of the Chinese People’s Armed Police Forces, Tianjin 300162, China
  • Supported by:

    the Natural Science Foundation of Tianjin, No. 09JCYBJC09900

Abstract:

BACKGROUND: About 10%-49% of maintenance hemodialysis patients are accompanied by refractory hypertension and common drug therapy is ineffective. Continuous renal replacement therapy could clear the middle and giant molecule toxins in the blood plasma of patients, it is theoretically treat refractory hypertension through reducing the toxin levels.
OBJECTIVE: To observe the effect of continuous renal replacement therapy on maintenance hemodialysis patients with refractory hypertension.
METHODS: A total of 45 maintenance hemodialysis patients with refractory hypertension were randomly divided into two groups, hemodialysis group (n=22) and continuous blood purification group (n=23). Hemodialysis group underwent conventional hemodialysis treatment. Continuous blood purification group underwent conventional hemodialysis therapy, and treatment of continuous blood purification weekly.
RESULTS AND CONCLUSION: After 3 months of treatment, the renin activity, endothelin, angiotensin II, C-reactive protein, interleukin-6, and tumor necrosis factor-α levels in continuous blood purification group were significantly lower than the levels before the experiment, while 24-hour mean blood pressure levels were significantly decreased (P < 0.05). In hemodialysis group, renin activity, endothelin, angiotensin II, C-reactive 
protein, interleukin-6, and tumor necrosis factor-α levels and 24-hour mean blood pressure did not change (P > 0.05). After the test, continuous blood purification group showed significantly lower levels of the above index than the hemodialysis group (P < 0.05). Continuous renal replacement therapy plus hemodialysis significantly reduce the blood pressure in maintenance hemodialysis patients with refractory hypertension, the potential mechanisms are mediated by lowering the middle and giant molecule toxin as well as inflammatory factor in plasma.



中国组织工程研究
杂志出版内容重点:肾移植肝移植移植;心脏移植;组织移植;皮肤移植;皮瓣移植;血管移植;器官移植组织工程


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Key words: renal dialysis, hypertension, renin, angiotensin II, C-reactive protein, interleukin-6, tumor necrosis factor-alpha

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