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The Transition to an Anterior-Based Muscle Sparing Approach Improves Early Postoperative Function but is Associated with a Learning Curve
Published on: September 7, 2022
[Total hip arthroplasty by neuromuscular impairment: functional outcome]
1Orthopädische Chirurgie, Kreiskrankenhaus Rheinfelden, Rheinfelden, Deutschland.
Introduction:
Studies which deal with the problems of total hip arthoplasty (THA) in patients with neuromuscular impairments are rare. The aim of this study was to examine whether THA for painful coxarthrosis in such patients relieved pain and improved functional outcome and how high the complication rate was.
Material And Methods:
For this study 10 patients (13 hips) with neuromuscular impairment who had received a total hip arthroplasty for painful coxarthrosis were retrospectively identified. A chart review determined the preoperative functional level. For postoperative evaluation all patients completed a questionnaire, including a self-created modified hip score.
Results:
The average age of the patients at the time of follow-up was 42.1 years (range 26.5-62.2 years, standard deviation SD 9.9 years) and the minimum follow-up was 24 months (average 80.3 months, range 24-143 months, SD 47 months). Pain relief was obtained for all patients but two patients had a postoperative dislocation and four patients had a major complication (infection) requiring removal of the implant. Therefore, the follow-up rate at the final examination with completed questionnaires was 69% (9 out of 13 excluding patients with removal of THA). These patients showed an improved function from 42.2-83.66 points in the hip score (p=0.0006) and there was general satisfaction with the procedure.
Discussion:
Total hip arthroplasty can provide improved function in patients with neuromuscular impairment and severe coxarthrosis. The rate of complications was moderate in this series; however, the high infection rate in these patients should be kept in mind.
