双极人工股骨头置换术后脱位的影响因素

Influence factors of dislocation after bipolar prosthetic replacement

目的 探讨双极人工股骨头置换术后脱位的影响因素.方法 回顾性分析2001年10月至2015年10月北京协和医院骨科行双极人工股骨头置换术病例374例资料,总结其中脱位患者的临床资料,分析其脱位原因.结果 374例行人工股骨头置换术的患者中术后发生脱位的共12例,10例患者经过手法可复位,其余2例患者需切开复位.脱位组中大部分患者合并有老年痴呆症、帕金森病、脑梗后遗症等神经精神疾病,这些合并症引起的体位不当等因素是导致脱位的主要原因.结论 合并神经精神疾病是导致人工股骨头置换术后脱位的重要因素.

Objective To discuss the influence factors of dislocation after bipolar prosthetic replacement.Methods A total of 374 patients who received bipolar prosthetic replacement in our hospital from October 2001 to October 2015 were retrospectively studied.The clinic data of patients with dislocation after operation was summarized to analyze the causes.Results Dislocation happened in 12 patients among all the 374 patients.10 cases received manual relocation,2 cases open relocation.Most of the 12 patients were accompanied with neurological and psychiatric disorders,such as Alzheimer＇s disease,Parkinson＇s disease,sequelae of cerebral infarction,etc.Some factors like improper body position caused by these complications were the main influence factors of dislocation.Conclusion Accompanied with neurological and psychiatric disorders is the important influence factor of dislocation after bipolar prosthetic replacement.