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Clin Orthop Relat Res. 2006 Dec;453:203-10.

Gluteus maximus flap transfer for greater trochanter reconstruction in revision THA.

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1
Missouri Bone and Joint Center, St. Louis, MO, USA. info@mobojo.org

Abstract

We evaluated the results of an operative technique used in five patients (five hips) to reconstruct the greater trochanter with a gluteus maximus flap transfer during revision total hip arthroplasty. We exposed the hip through a posterior approach that split the gluteus maximus in its midsubstance. We then raised a flap from the posterior portion of the gluteus muscle that was elevated proximally to create a triangular muscle flap. The flap was sewn into the gap between the greater trochanter and lateral cortex of the femur and secured to the inner surface of the anterior capsule of the hip. With the hip abducted 10 degrees to 15 degrees, the edges of the gluteus maximus were closed over the flap and the greater trochanter. We compared the results of these patients with those of five patients (five hips) who had the trochanter left unrepaired and those of four patients (four hips) who had excision of the greater trochanter and suture closure of the intervening gap. The flap group had less pain, lower incidence of limp and Trendelenburg sign, and less need for support than the other two groups, but range of motion decreased.

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