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Injury. 2012 Dec;43 Suppl 2:S55-8. doi: 10.1016/S0020-1383(13)70180-3.

Intertrochanteric partial osteotomy for posterior hip approach.

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Department of Orthopedics, Hospital General de Agudos Juan A. Fernández, Buenos Aires, Argentina.


The posterior dislocation remains one unresolved complication of the posterior approach to the hip joint. In this study, a variation of the posterior hip approach - a partial osteotomy of the greater trochanter - was performed in order to investigate whether it provides better stability to the operated hip joint and reduces the risk of dislocation. We carried out a partial intertrochanteric osteotomy, initially in a cadaveric model and then in 68 patients (30 acute neck of femur fractures and 38 patients with hip osteoarthritis) requiring a total hip replacement. The osteotomised fragment was reattached with wires. All arthroplasties were cemented with Müller acetabular component and Charnley-type stem with a 28-mm interchangeable neck. Intraoperatively, all hips were tested for stability. After the osteosynthesis of the osteotomised fragment, hip dislocation points were increased more than 15% in the flexion and 10% in the internal rotation plane of movement. At one year follow up, no dislocation was observed in the clinical component of the study. This technique was found reliable in providing a stable hip joint.

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