Surgical dislocation is useful for assessing and treating proximal femoral hip deformities. Legg-Calv Perthes disease (LCPD) causes proximal femoral growth deformity, resulting in reduced femoral head-neck offset and femoracetabular incongruity. The purpose of this study was to demonstrate the efficacy and report the short-term results of surgical hip dislocation for the treatment of adolescents with healed LCPD. This retrospective review included 29 adolescents [19 males and 10 females, age 17 (range nine-35)] with LCPD, who underwent surgical hip dislocation between January 2001 and December 2009. All subjects had a clear diagnosis of LCPD, pre and postoperative WOMAC scores and at least one year of clinical and radiographic follow up. In addition to surgical dislocation, all patients underwent femoral head-neck osteoplasty, 21 underwent relative femoral neck lengthening and trochanteric transfer, 12 underwent intertrochanteric osteotomy and seven had labral debridement. The average follow-up was three years from the time of surgical intervention.Purpose
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