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Lesion of the hip abductor mechanism.
SICOT-J 2016
INTRODUCTION: The disruption of the abductor muscles of the hip after hip revision surgery often causes limping, pain, and instability of the implant. The purpose of our paper is to describe a mesh technique to repair hip abductor mechanism injuries after hip revision.
PATIENTS AND METHODS: Forty-six patients with hip abductor damage after prosthetic revision were treated. Inclusion criteria were: patients presenting with prosthetic loosening, complaint of pain, and with a positive Trendelenburg sign due to deficient abductor muscle mechanisms. Thirty-one were women (67.39%) with an average age of 64 years (34-82 years). The number of previous revision surgeries was three (two to seven). The Merle d'Aubigné score and variants before and after treatment were also reported.
RESULTS: In the postoperative follow-up after hip revision with the mesh technique, the Merle d'Aubigné score improved and the Trendelenburg sign was negative in 78.3% of the patients (p < 0.001). Also, the Trendelenburg test with the knee flexed was negative in 60.9% (p < 0.001) and the stair-climbing test was negative in 60.9% of cases (p < 0.001). The gluteus medius test in the lateral position was negative in 52.2% of patients, and in the lateral position with the knee flexed it was negative in 47.8% of patients (p < 0.001).
DISCUSSION: Repair of the abductor mechanism with the mesh technique has proven effective for both partial and total lesions.
PATIENTS AND METHODS: Forty-six patients with hip abductor damage after prosthetic revision were treated. Inclusion criteria were: patients presenting with prosthetic loosening, complaint of pain, and with a positive Trendelenburg sign due to deficient abductor muscle mechanisms. Thirty-one were women (67.39%) with an average age of 64 years (34-82 years). The number of previous revision surgeries was three (two to seven). The Merle d'Aubigné score and variants before and after treatment were also reported.
RESULTS: In the postoperative follow-up after hip revision with the mesh technique, the Merle d'Aubigné score improved and the Trendelenburg sign was negative in 78.3% of the patients (p < 0.001). Also, the Trendelenburg test with the knee flexed was negative in 60.9% (p < 0.001) and the stair-climbing test was negative in 60.9% of cases (p < 0.001). The gluteus medius test in the lateral position was negative in 52.2% of patients, and in the lateral position with the knee flexed it was negative in 47.8% of patients (p < 0.001).
DISCUSSION: Repair of the abductor mechanism with the mesh technique has proven effective for both partial and total lesions.
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