Thesis (Ph.D.) - Cairo University - Faculty of Medicine - Department of Orthopaedic Surgery

Introduction: Surgical procedures with use of traditional techniques to reposition the proximal femoral epiphysis in the treatment of slipped capital femoral epiphysis are associated with a high rate of femoral head osteonecrosis.56 Therefore, most surgeons advocate in situ fixation of the slipped epiphysis with acceptance of any persistent deformity in the proximal part of the femur.38 This residual deformity can lead to secondary osteoarthritis resulting from femoroacetabular cam impingement.57 Objective: The primary aim of our study was to report the results of the technique of capital realignment with Ganz surgical hip dislocation and its reproducibility to restore hip anatomy and function.In this study we looked for: (1) Radiological outcome, slip angle and alpha angle. (2) The incidence of major complications especially AVN. (3) Clinical outcome with recording the range of motion of the hip and evaluating short-term clinical scores (Merle d{u2019}Aubigne{u00B4}-Harris hip score -WOMAC). (4) The extent of intra-articular damage and relating this to clinical stability and symptom duration. (5) Comparing our results to what was reported in the literature. Patients and Methods: This prospective case series study included thirty-one patients (32 hips, 21 Lt hip and 11 Rt hip) with stable chronic slipped capital femoral epiphysis after surgical correction with a modified Dunn procedure

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