Erivan Roger, Villatte Guillaume, Brientini Jean-Michel, Kreider David, Descamps Stéphane, Boisgard Stéphane
1 Université Clermont Auvergne, CHU Clermont-Ferrand, CNRS, SIGMA Clermont, ICCF, Clermont-Ferrand, France.
2 Polyclinic of Franche-Comté, Besançon, France.
Hip Int. 2019 Jul;29(4):418-423. doi: 10.1177/1120700018810211. Epub 2018 Nov 11.
The aim of the present study was to evaluate the 7-year functional outcome and radiographic results of primary total hip arthroplasties (THAs) performed with the uncemented Avenir stem.
Between January 2006 and October 2008, 100 consecutive primary hips in 92 patients were enrolled at 2 centres. The mean age at operation was 58.5 years (27-87 years). Mini-incision (50%) and standard approaches (50%) were used to implant 22 standard and 78 lateralised stems.
The 7-year Kaplan-Meier survival rate was 98.9% (95% CI, 92.9-99.8) with stem revision for any reason as endpoint. No stem related complications occurred. 1 stem revision was due to deep infection at 51 months post-op. We had 4 acetabular revisions. The mean Harris Hip Score (HHS) at 7 years follow-up was 93.1 points (60-100). Radiographic analysis showed 2 patients had non-progressive radiolucent lines and no patient had any signs of stem subsidence or loosening.
The 7-year implant survival and the functional outcomes for THA performed with the study device are excellent and were in line with those documented for comparable contemporary uncemented fully HA-coated stems. Longer term follow-up of this consecutive series needs to be performed.
本研究旨在评估采用非骨水泥型Avenir股骨柄进行初次全髋关节置换术（THA）的7年功能结果和影像学结果。
2006年1月至2008年10月期间，在2个中心纳入了92例患者的100例连续初次髋关节病例。手术时的平均年龄为58.5岁（27 - 87岁）。采用小切口（50%）和标准入路（50%）植入22个标准股骨柄和78个外侧化股骨柄。
以因任何原因进行股骨柄翻修为终点，7年的Kaplan - Meier生存率为98.9%（95%可信区间，92.9 - 99.8）。未发生与股骨柄相关的并发症。1例股骨柄翻修是由于术后51个月发生深部感染。我们进行了4例髋臼翻修。7年随访时的平均Harris髋关节评分（HHS）为93.1分（60 - 100）。影像学分析显示2例患者有非进行性透亮线，没有患者有股骨柄下沉或松动的任何迹象。
使用本研究装置进行THA的7年植入物生存率和功能结果极佳，与当代类似的非骨水泥全羟基磷灰石涂层股骨柄的记录结果一致。需要对这一连续系列进行更长时间的随访。
