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  • Title: Abductor muscle performance in total hip arthroplasty with and without trochanteric osteotomy. Radiographic and mechanical analyses.
    Author: Borja F, Latta LL, Stinchfield FE, Obreron L.
    Journal: Clin Orthop Relat Res; 1985; (197):181-90. PubMed ID: 4017333.
    Abstract:
    Total hip arthroplasty was performed for unilateral hip disease in 26 patients with trochanteric osteotomy (TS) and 27 patients without osteotomy (NS). Early postoperative recovery of function, pain, mobility, radiographic changes, and abduction torques were recorded and evaluated. Theoretic analysis of hip mechanics based on radiographic measurements was compared with measured abduction torques for each patient. Function, pain, and mobility ratings were similar for both groups pre- and postoperation. Radiographic measurements demonstrated better mechanical reconstruction of hips in both groups. There was a trend, but no statistically significant correlation, of mechanical parameters and measured isokinetic or isometric abduction torques at the hip joint in the TS group. In the NS group, no correlation was found between mechanical parameters and measured torques. A significant improvement in recovery of torque was found in the NS group when compared to the TS patients.
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