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[目的]观察股骨颈前倾角增大及矫正度数对手术疗效的影响。[方法]所有病例均行Salter骨盆截骨术,股骨颈前倾角>45°同时行股骨旋转截骨术;股骨颈前倾角≤45°不行股骨旋转截骨术。[结果]所有病例均获随访,随访时间为24～48个月,平均34个月,股骨颈前倾角在31°～45°者有3例出现轻度内旋步态。[结论]小儿先天性髋脱位除了讲究头臼匹配、合适的髋臼前倾角和外展角以及关节囊紧缩外,对如何矫正增大的股骨颈前倾角也是一个不可忽略的重要因素。
[Objective] To observe the effect of femoral neck anteversion and degree of correction on the curative effect. [Method] Salter pelvic osteotomy was performed in all cases, femoral neck anteversion of 45 ° simultaneous femoral neck osteotomy, femoral neck anteversion of ≤ 45 ° not femoral neck osteotomy. [Results] All the patients were followed up for 24-48 months with an average of 34 months. Three patients with slight femoral neck anterior tilt angle of 31 ° ~ 45 ° had mild internal rotation gait. [Conclusion] The congenital hip dislocation in children is not only an important factor in correcting the anteversion of the femoral neck, but also to match the acetabulum, proper acetabular anterior and posterior angles and the compression of joint capsule.