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目的 报道应用Profemur(R)Z柄行初次髋关节置换术后股骨侧假体周围骨折病例6例手术治疗后效果.方法 纳入宁波市第六医院关节外科2009至2017年期间因终末期髋关节病或股骨颈骨折行初次髋关节置换术,术后外伤后发生假体周围骨折病例共6例(7髋).其中5髋为长螺旋、长斜形或粉碎性骨折,2髋为短斜形骨折;Vancouver B1型2髋,B2型5髋,术中股骨侧假体根据不同骨折情况选用不同翻修方式,分别行单纯骨折复位内固定术和关节翻修术加骨折复位内固定术,并随访其疗效.结果 本组患者术后随访均未出现假体松动或假体周围骨溶解等并发症,所有病例未发生术后并发症.术后3月X线显示骨折均愈合,患髋功能恢复好,末次随访髋关节功能HSS评分平均(85.5±4.5)分.结论 Profemur(R)Z柄初次髋关节置换术后发生假体周围骨折可根据骨折分型给予内固定或翻修手术治疗,术后随访显示功能恢复好,骨折与假体形态设计的相关性需要生物力学研究.“,”Objective To report therapeutic effects of surgical treatment on six cases of femoral periprosthetic fracture after primary hip arthroplasty with Profemur~ Z stem.Methods Six cases (seven hips) who received primary hip arthroplasty for end stage of hip osteopathy or femoral neck fracture were collected during 2009 to 2017.All the cases used the Profemur~ Z stem and all of them had no metabolic bone diseases but suffered from postoperative femoral periprosthetic fractures after trauma,including five hips of long spiral,long oblique or comminuted fractures and two hips of short oblique fracture.Two hips were Vancouver B1 type and five hips were B2 type.Surgeries were performed according to Vancouver classification,open reduction and internal fixation (ORIF),or revision arthroplasty plus ORIF were conducted respectively.Results No postoperative complication happened,and fractures were all healed at three months postoperatively.Good hip function was obtained in all the cases;HSS score was (85.5 ± 4.5) on average at the time of latest follow-up.Conclusion The femoral periprosthetic fractures following primary hip arthroplasty with Profemur (R) Z stem can be effectively 1 treated by surgical treatment according to Vancouver classification.