恢复股骨偏心距是预防全髋关节置换术脱位最重要的技术因素。
Restoring femoral offset is the most important technical factor in preventing total hip arthroplasty dislocation.
作者信息
Forde Braxton, Engeln Kathleen, Bedair Hany, Bene Nicholas, Talmo Carl, Nandi Sumon
机构信息
The Johns Hopkins University School of Medicine, Baltimore, MD, United States.
Baylor College of Medicine, Houston, TX, United States.
出版信息
J Orthop. 2018 Jan 31;15(1):131-133. doi: 10.1016/j.jor.2018.01.026. eCollection 2018 Mar.
Abstract
PURPOSE
Our aim was to determine if acetabular component position, femoral offset restoration, or leg-length equality is most important for total hip arthroplasty (THA) stability.
METHODS
A matched case (n = 67)-control (n = 247) design and conditional logistic regression model were used to examine risk factors for dislocation in primary THA.
RESULTS
When femoral offset was at least 3 mm greater than that of the contralateral hip, risk of dislocation was lower (p = 0.0192). Neither leg-length difference nor acetabular component abduction or version angle was associated with dislocation.
CONCLUSIONS
Our data suggest restoring femoral offset is the most important technical factor in preventing THA dislocation.
摘要
目的
我们的目的是确定髋臼假体位置、股骨偏心距恢复或双下肢长度相等对于全髋关节置换术（THA）稳定性是否最为重要。
方法
采用配对病例（n = 67）-对照（n = 247）设计和条件逻辑回归模型来检查初次THA脱位的危险因素。
结果
当股骨偏心距比对侧髋关节至少大3 mm时，脱位风险较低（p = 0.0192）。双下肢长度差异、髋臼假体外展或旋转角度均与脱位无关。
结论
我们的数据表明，恢复股骨偏心距是预防THA脱位最重要的技术因素。
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