Abstract
Obturator dislocation of the hip is caused by high-velocity accidents as evidenced by its frequent association with other traumatic injuries and, seldom found. Its main complication remains femoral head avascular necrosis. We report on four cases of obturator dislocation of the hip. The mean age of patients was 30 years, and all their injuries followed a road traffic accident. Associated lesions were a contralateral femur fracture in two cases and an osteochondral fracture in one case. Reduction of dislocations was achieved orthopedically under general anaesthesia and the average waiting time before reduction was 20 hours. One patient had an intra-articular incarcerated fragment visible on X-ray, and another patient showed signs of early coxarthrosis 15 months later. The average follow-up time was 24 months.
Highlights
Traumatic anterior dislocation of the hip is an uncommon injury compared with posterior dislocation
It accounts for 5% - 18% of all hip dislocations and, obturator dislocation is rare [1] [2]
We report on 4 cases of obturator dislocation of the hip with an emphasis on the treatment and the prognosis
Summary
Traumatic anterior dislocation of the hip is an uncommon injury compared with posterior dislocation. It accounts for 5% - 18% of all hip dislocations and, obturator dislocation is rare [1] [2]. These injuries may occur in accidents by deceleration, in that the vehicle occupant is with his legs bent, abducted, and externally rotated during impact, as well as in motorcycle accidents in which the legs are often in hyper abduction. Anterior dislocations are subdivided into the superior type (pubic) and the inferior type (obturator).
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