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目的:研究3D打印全髋关节置换术在老年非陈旧性创伤性髋臼骨折中的临床疗效。方法:选择2016年5月至2018年12月西宁市第一人民医院收治的43例髋臼骨折患者，随机数字表法分为对照组(22例)和观察组(21例)进行前瞻性研究，对照组患者给予常规手术治疗；观察组患者采用全髋关节置换术联合3D打印技术治疗。记录患者手术时间、术中出血量、住院时间情况；术后随访6个月，采用Harris髋关节功能评分(HHS)评估髋关节功能。分别于术前和术后6个月，采用简明健康状况调查量表(SF-36)评估患者生活质量。记录患者术中及随访期间并发症发生情况。结果:观察组患者手术时间、住院时间和术中出血量均显著少于对照组(n P<0.05)。术后6个月，观察组患者的髋关节功能显著优于对照组(n P<0.05)；生活质量各项评分均显著高于对照组(n P0.05)。n 结论:3D打印全髋关节置换术可有效改善老年非陈旧性创伤性髋臼骨折患者的手术情况、髋关节功能及生活质量，且不增加不良反应。“,”Objective:To study the clinical efficacy of 3D total hip arthroplasty in elderly patients with acetabular fracture.Methods:A total of 43 patients with non-obsolete acetabular fractures admitted to Xining First People's Hospital from May 2016 to December 2018 were randomly divided into the control group (22 cases) and the observation group (21 cases) for a perspective study. The control group received routine surgery and the observation group was treated with total hip arthroplasty combined with 3D printing. The patient's operation time, intraoperative blood loss, and hospitalization time were recorded. The hip function was assessed by Harris Hip Scale (HHS) after 6 months of follow-up. The patient's quality of life was assessed using the short form 36 item health survey questionnaire (SF-36) before and 6 months after surgery. The complications of the patients during operation and follow-up were recorded.Results:The operation time, hospital stay and intraoperative blood loss were significantly lower in the observation group than those in the control group (n P<0.05). At 6 months after operation, the hip joint function of the observation group was significantly better than that of the control group (n P<0.05); the quality of life scores were significantly higher than the control group (n P<0.05). There was no significant difference in the incidence of adverse reactions between the two groups (n P<0.05).n Conclusions:3D printed total hip arthroplasty can effectively improve the operation and hip function of elderly patients with non-obsolete acetabular fracture and the quality of life of patients without increasing adverse reactions.