摘要目的:比较微创SuperPATH入路与传统后外侧入路行全髋关节置换术后假体位置及疗效。方法:回顾性分析自2016年8月至2019年2月苏州大学附属第一医院骨科收治的107例行单侧全髋关节置换术的患者资料。根据手术入路不同分为2组：SuperPATH入路54例（SuperPATH组），男20例，女34例；年龄（64.3±9.1）岁；后外侧入路53例（后外侧组），男20例，女33例；年龄（62.2±10.6）岁。比较两组患者术后第1天假体位置的外展角、外展角安全比例、前倾角、前倾角安全比例、后倾角、后倾发生率、偏心距差异、下肢长度差异，以及术后1周、3个月、末次随访时的髋关节Harris评分；记录患者并发症的发生情况。结果:两组患者术前一般资料比较差异均无统计学意义（ P>0.05），具有可比性。107例患者术后影像学资料完整并均获得满意随访，时间14~36个月（平均25个月）。SuperPATH组患者假体的后倾角13.6°±9.6°和后倾发生率18.5%(10/54)均大于后外侧组3.0°±1.0°和5.7%(3/53)，偏心距差异0.26（0.13,0.49）cm小于后外侧组0.38（0.13,0.70）cm，术后1周Harris评分（74.8±7.8）分高于后外侧组（72.0±6.7）分，差异均有统计学意义（ P<0.05）。两组患者假体的外展角及其所占安全区比例、前倾角及其所占安全区比例、下肢长度差异、术后3个月和末次随访时Harris评分比较差异均无统计学意义（ P>0.05）。两组各出现1例脱位，手法复位后未再次出现脱位。 结论:微创SuperPATH入路行全髋关节置换术较传统后外侧入路可以获得更好的偏心距，早期髋关节功能评分更高，但该入路安放髋臼假体出现后倾比例更高。

abstractsObjective:To compare the prosthesis locations and postoperative hip functions between supercapsular percutaneously-assisted total hip (SuperPATH) approach and traditional posterolateral approach (PLA) in total hip arthroplasty.Methods:A retrospective analysis was conducted of the 107 patients who had undergone unilateral total hip arthroplasty at Department of Orthopedic Surgery, The First Affiliated Hospital to Soochow University from August 2016 to February 2019. They were divided into 2 groups according to their surgical approaches. In the SuperPATH group of 54 cases, there were 20 males and 34 females with an age of (64.3±9.1) years; in the PLA group of 53 cases, there were 20 males and 33 females with an age of (62.2±10.6) years. The 2 groups were compared in terms of abduction angle, ratio of abduction angle to safety zone, anteversion angle, ratio of anteversion angle to safety zone, retroversion angle, incidence of retroversion, and differences in eccentricity and lower limb length on the first day after operation, and Harris hip scores at 1 week, 3 months and the last follow-up postoperatively. Their complications were also recorded as well.Results:There were no statistically significant differences in the preoperative general data between the 2 groups, showing comparability ( P>0.05). The postoperative imaging data were complete for the 107 patients who had been followed up satisfactorily for 14 to 36 months (average, 25 months). The SuperPATH group had significantly larger retroversion angle (13.6°±9.6°) and incidence of retroversion (18.5%, 10/54), significantly smaller difference in eccentricity [0.26 (0.13,0.49) cm], and significantly higher Harris hip score [(74.8±7.8) points] at one week after surgery than those in the PLA group [3.0°±1.0°; 5.7%, 3/53; 0.38 (0.13,0.70) cm; (72.0±6.7) points] ( P<0.05). There were no statistically significant differences between the 2 groups in abduction angle, ratio of abduction angle to safety zone, anteversion angle, ratio of anteversion angle to safety zone, difference in lower limb length, or Harris hip scores at 3 months or the last follow-up postoperatively (all P>0.05). Follow-ups in both groups observed no more than one case of dislocation which responded to manual reduction. Conclusion:The minimally invasive SuperPATH approach may obtain better femoral eccentricity and higher early hip function scores than the traditional posterolateral approach, but may lead to a higher incidence of retroversion after prosthesis placement.