目的 分析探讨影响高龄髋关节置换术(THA)患者术后下肢深静脉血栓(LEDVT)形成的危险因素。方法 回顾性分析 2014年12月-2016年12月间收治入院的68例高龄THA患者临床资料。根据手术后第7d彩超检测结果有无发生LEDVT 分成非LEDVT组(39例)和LEDVT组(29例)。对可能影响LEDVT形成的因素进行统计分析。结果 ①2组间性别、糖尿 病、高血压、吸烟及手术类型方面对比，差异无统计学意义(P＞0.05)；②Logistic多元回归分析显示，体质指数 (BMI)、DVT病史、血液高凝状态、麻醉方式是影响LEDVT形成的危险因素(P<0.05)。结论 BMI、DVT病史、血液高凝 状态及麻醉方式等因素能显著增高高龄THA患者术后形成LEDVT的风险。

Objective To analyze the risk factors of lower extremity deep vein thrombosis (LEDVT) in elderly patients with total hip arthroplasty (THA). Methods From Dec. 2014 to Dec. 2016, the clinical data of 68 elderly patients with THA in our hospital were retrospectively analyzed. According to the results of color Doppler examination 7d after operation, these patients were divided into non-LEDVT group (39 cases without LEDVT) and LEDVT group (29 cases with LEDVT). The factors that might affect the formation of LEDVT were analyzed statistically. Results There were no significant differences in gender, diabetes, hypertension, smoking and types of surgery between the two groups (P>0.05), the logistic multivariate regression analysis showed that body mass index (BMI), DVT history, hypercoagulable state and types of anesthesia were risk factors for the formation of LEDVT (P<0.05). Conclusion The factors such as BMI, DVT history, hypercoagulability state and types of anesthesia can significantly increase the risk of LEDVT formation in elderly patients with THA.