BACKGROUND: As a test indicator of total hip arthroplasty (THA), femoral offset plays an important role in the efficiency of THA and the life expectancy of prosthesis.OBJECTIVE: To investigate the correlation between the femoral offset and the postoperative complications of THA.METHODS: The femoral offset between healthy side and affected side of patients with femoral neck fracture after THA was compared. Totally 61 patients who were treated with THA after femoral neck fracture were followed-up. According to the difference of femoral offset between the healthy and affected sides, cases were divided into D > 4 mm group (difference > 4 mm) and D≤4 mm group (difference ≤ 4 mm).RESULTS AND CONCLUSION: Totally 31 cases were in the D > 4 mm group: the complications of pain, dislocation, claudication and lower limb length discrepancy were 4, 0, 2 and 6 cases, respectively. And 30 cases were in the D≤4 mm group: the complications of pain, dislocation, claudication and lower limb length discrepancy were 1, 0, 0 and 1 case, respectively. There is a close relationship between the effective reconstruction of femoral offset and complications after THA, and a good recovery of femoral offset can significantly reduce the occurrence of related complications after THA.%背景 股骨偏心距作为髋关节置换的一项检测指标,对髋关节置换效率及假体寿命有着重要影响.目的 分析股骨偏心距和髋关节置换后并发症的相关性.方法 比较股骨颈骨折患者行髋关节置换后健侧与患侧股骨偏心距,随访61 例股骨颈骨折行髋关节置换病例,根据健侧和患侧股骨偏心距的差值分为D> 4 mm组(患侧股骨偏心距患侧与健侧差值D> 4 mm)、D≤4 mm组(患侧股骨偏心距患侧与健侧差值D≤4 mm).结果与结论 D > 4 mm组31 例:疼痛4 例、脱位0 例,跛行2 例,双下肢不等长6 例,D≤4 mm组30 例:疼痛1 例、脱位0 例,跛行0 例,双下肢不等长1 例.说明人工髋关节置换股骨偏心距的有效重建与髋关节置换后相关并发症存在密切关系,良好股骨偏心距的恢复可明显减少髋关节置换后相关并发症的发生.
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