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Pan African Medical Journal

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Une luxation rare de la hanche post traumatique: antérieure type obturatrice

Rateb Kochbati, Marouene Jlailia

Abstract


Traumatic coxofemoral dislocations in adults result from a posterior or anterior permanent femoral head displacement out of the acetabulum. Among these anterior dislocations, type A ( upper or pubic) and type B (lower or obturator) can be distinguished. The obturator variety that occurs during a flexion, abduction and forced external rotation is little known. We report the case of a 19 year-old patient involved in a road accident who presented with abducted lower limb and flexed knee, a closed and uncomplicated hip trauma, following a fall from his motorcycle. Clinical examination showed total loss of function of the left hip and a vicious attitude in flexion-abduction-external rotation. Radiological examination showed anterior obturator type dislocation. Hip reduction by gentle manipulation was performed under general anesthesia. Sequelae after hip reduction were good. Little studies have been conducted on traumatic obturator hip dislocations. The percentage of obturator dislocations recorded in the series of traumatic dislocations was between 6% and 10%. These dislocations must be clearly identified because of the risk of fractures during hip reduction by manipulation. Reduction techniques are discussed. In the absence of associated lesions and iatrogenic fractures during hip reduction attempts, the prognosis appears favorable and seems better than that of posterior dislocation.

The Pan African Medical Journal 2016;24



http://dx.doi.org/10.11604/pamj.2016.24.122.8791
AJOL African Journals Online