应用大号生物型臼杯行髋关节翻修对髋关节旋转中心和股骨偏心距的影响研究

发布时间：2019-01-29 04:35

【摘要】：目的探讨应用大号生物型臼杯(Jumbo臼杯)行髋关节翻修术后髋关节旋转中心(hip center of rotation,COR)和股骨偏心距的变化。方法回顾性分析2010年1月—2015年5月应用Jumbo臼杯行髋关节翻修术的23例患者临床资料,其中8例联合颗粒骨植骨,10例联合颗粒骨植骨并结构性植骨。男10例,女13例;年龄51~77岁,平均65.4岁。初次人工全髋关节置换术至翻修术间隔1~24年,平均8.57年。髋关节翻修原因:无菌性松动21例,假体周围感染2例。患者Harris评分为(43.04±5.05)分,疼痛视觉模拟评分(VAS)为(5.70±0.97)分。骨缺损根据Paprosky分型标准,Ⅰ型5例,ⅡA型5例,ⅡB型3例,ⅡC型6例,ⅢA型4例。双髋X线片测量示,健侧股骨偏心距为(40.65±4.09)mm,患侧为(44.04±5.08)mm,比较差异有统计学意义(t=4.098,P=0.000);10例(43.48%)股骨偏心距重建,13例(56.52%)未重建;10例(43.48%)COR重建,11例(47.83%)COR上移,2例(8.69%)COR下移。结果术后切口均Ⅰ期愈合,无感染、血管损伤、下肢深静脉血栓形成、关节脱位、假体周围骨折等并发症发生。患者均获随访,随访时间12~76个月,平均22.48个月。术后1年Harris评分为(82.09±4.53)分,VAS评分为(0.74±0.62)分,与术前比较差异均有统计学意义(t=37.831,P=0.000;t=22.318,P=0.000)。X线片复查示,翻修术后1年患侧股骨偏心距为(43.87±3.57)mm,与术前比较差异无统计学意义(t=0.250,P=0.805),与健侧比较差异有统计学意义(t=5.591,P=0.000)。翻修术后患侧股骨偏心距重建16例(69.57%),未重建7例(30.43%);15例(65.22%)COR重建,8例(34.78%)COR上移。结论单纯应用Jumbo臼杯行髋关节翻修术可能导致COR上移和股骨偏心距增加。合理安放Jumbo臼杯以及正确处理髋臼骨缺损,能够最大限度恢复COR和股骨偏心距,获得良好近期疗效,假体稳定性可。
[Abstract]:Objective to investigate the changes of hip rotation center (hip center of rotation,COR) and femoral eccentricity after hip revision with large biological acetabular cup (Jumbo cup). Methods from January 2010 to May 2015, the clinical data of 23 patients undergoing revision of hip joint with Jumbo cup were retrospectively analyzed. Among them, 8 cases were combined with granular bone graft, 10 cases were combined with granular bone graft and structural bone graft. There were 10 males and 13 females, aged 51 to 77 years, with an average age of 65.4 years. The interval between primary total hip replacement and revision was 1 ~ 24 years (mean 8.57 years). The causes of hip revision were aseptic loosening in 21 cases and periprosthetic infection in 2 cases. The Harris score was (43.04 卤5.05) and the pain visual analogue score (VAS) was (5.70 卤0.97). According to Paprosky classification criteria, there were 5 cases of type 鈪，

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