中国组织工程研究 ›› 2021, Vol. 25 ›› Issue (4): 542-547.doi: 10.3969/j.issn.2095-4344.2366

• 纳米生物材料 nanobiomaterials • 上一篇    下一篇

纳米羟基磷灰石/聚酰胺66复合材料联合锁定钢板治疗股骨骨纤维异常增殖症

刘江锋   

  1. 河北医科大学附属邢台市人民医院骨科,河北省邢台市   054000
  • 收稿日期:2020-02-10 修回日期:2020-02-18 接受日期:2020-04-03 出版日期:2021-02-08 发布日期:2020-11-21
  • 作者简介:刘江锋,男,1979年生,河北省邢台市人,汉族,2005年河北医科大学毕业,硕士,副主任医师,主要从事骨关节外科方面的研究。

Nano-hydroxyapatite/polyamide 66 composite filling combined with locking plate in the treatment of fibrous dysplasia of femoral bone

Liu Jiangfeng   

  1. Department of Orthopedics, Xingtai People’s Hospital Affiliated to Hebei Medical University, Xingtai 054000, Hebei Province, China
  • Received:2020-02-10 Revised:2020-02-18 Accepted:2020-04-03 Online:2021-02-08 Published:2020-11-21
  • About author:Liu Jiangfeng, Master, Associate chief physician, Department of Orthopedics, Xingtai People’s Hospital Affiliated to Hebei Medical University, Xingtai 054000, Hebei Province, China

摘要:

文题释义:
纳米羟基磷灰石/聚酰胺66复合材料:这种复合材料是由纳米羟基磷灰石和聚酰胺66以6∶4的比例复合而成,聚酰胺大分子网络均匀地覆盖了纳米羟基磷灰石颗粒,与天然骨组成相似,作为骨修复材料表现出良好的成骨性。
骨纤维异常增殖症:又称为骨纤维发育不良,表现为正常的骨小梁结构被大量异常增生的纤维结缔组织和发育不良的骨小梁所替代,目前病因不明,疾病进展缓慢,可表现为单骨或多骨病变,股骨上段为常见发病部位。

背景:纳米羟基磷灰石/聚酰胺66复合材料具有良好的生物相容性、骨诱导性、骨传导性及成骨性,被广泛用于临床骨折愈合、脊柱融合等的骨修复。
目的:观察纳米羟基磷灰石/聚酰胺66复合材料填充联合锁定钢板固定治疗股骨骨纤维异常增殖症的临床效果。
方法:选择2015年5月至2018年5月河北医科大学附属邢台市人民医院收治的15例骨纤维异常增殖症患者,病变均位于股骨,其中男4例,女11例,年龄16-58岁,均接受纳米羟基磷灰石/聚酰胺66复合材料填充联合锁定钢板内固定治疗。术后随访18-40个月,影像学X射线片和CT检查骨愈合情况,使用国际骨与软组织肿瘤协会MSTS评分、Harris评分评估患者术后功能恢复情况。
结果与结论:①X射线片显示,术后即刻移植骨和周围宿主骨存在明显边界,术后3个月时移植骨即出现爬行替代,6个月时出现明显的新骨生成,9-12个月出现完全的新骨生成,移植骨基本分解代谢,18个月后新生骨与周围骨质完全骨整合,新生骨与宿主骨边界消失,通过骨小梁直接连接;②末次随访CT检查显示局部病变消除,无复发及转移,植骨完全骨愈合,不透放射线密度比为0.78±0.09;③末次随访时15例患者疼痛均消失,MSTS评分为28.1±0.7,髋关节Harris评分94.3,恢复了日常体力活动;④纳米羟基磷灰石/聚酰胺66复合材料对于骨纤维异常增殖病灶切除后形成的骨缺损具有明显的促成骨作用,锁定钢板固定可以使患者早期活动并获得良好的术后功能。

https://orcid.org/0000-0002-5840-7001 (刘江锋) 

中国组织工程研究杂志出版内容重点:生物材料;骨生物材料; 口腔生物材料; 纳米材料; 缓释材料; 材料相容性;组织工程

关键词: 骨, 材料, 纳米羟基磷灰石, 聚酰胺66, 骨纤维异常增殖症, 锁定钢板, 股骨, 骨再生

Abstract: BACKGROUND: Nano-hydroxyapatite/polyamide 66 composite (n-HA/PA66) has good biocompatibility, osteoinduction, osteoconductivity and osteogenesis. It is widely used in clinical fracture healing, spinal fusion, and other bone repair. 
OBJECTIVE: To observe the effect of n-HA/PA66 filling combined with locking plate in the treatment of fibrous dysplasia of femoral bone.
METHODS: From May 2015 to May 2018, 15 patients with fibrous dysplasia of bone were admitted to Xingtai People’s Hospital Affiliated to Hebei Medical University. There were 4 males and 11 females, aged 16-58 years. The lesions were all located in the femur. They were all treated with n-HA/PA66 filling combined with locking plate. The patients were followed up for 18-40 months. Imaging examination (X-ray and CT scan) was carried out to evaluate the bone healing. Musculoskeletal Tumor Society (MSTS) score and Harris score were used to assess the functional recovery of patients after operation.  
RESULTS AND CONCLUSION: (1) X-ray films showed that there was a clear boundary between the transplanted bone and the host bone immediately after the operation. At 3 months after the operation, the transplanted bone was replaced partly by crawling. At 6 months, new bone formation was obvious. At 9-12 months, new bone formed completely. The transplanted bone was basically catabolized. At 18 months, the new bone was completely integrated with the host bone. The boundary between the new bone and the host bone disappeared. New bone and host bone are connected by direct trabecula. (2) At the last follow-up, CT images showed that the local lesions were eliminated; no recurrence or metastasis occurred; and the grafts healed completely. The G/N ratio was 0.78±0.09. (3) At the last follow-up, 15 patients’ pain all disappeared, MSTS score was 28.1±0.7. Harris score was 94.3. Daily physical activity was restored. (4) n-HA/PA66 composite material has obvious osteogenic effect on the bone defect caused by the removal of fibrous dysplasia. Locking plate fixation can make patients move early and obtain good postoperative function.

Key words: bone, material, nano hydroxyapatite, polyamide 66, fibrous dysplasia, locking plate, femur, bone regeneration

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