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Surgical approach for total hip arthroplasty: direct lateral or posterior?
Journal of Rheumatology
Date de publication
Publication types: Journal Article ; Meta-Analysis
OBJECTIVE: To determine the risks of prosthesis dislocation, postoperative Trendelenburg gait, and sciatic nerve palsy after a posterior approach compared to a direct lateral approach for adult patients undergoing total hip arthroplasty (THA) for primary osteoarthritis (OA). METHODS: Medline, Embase, CINHAL, and Cochrane databases were searched until August 2003. All published trials comparing posterior and direct lateral surgical approaches to THA in adults with a diagnosis of primary hip osteoarthritis were collected. Retrieved articles were assessed independently for their methodological quality. RESULTS: Four prospective cohort studies involving 241 participants met the inclusion criteria. Regarding dislocation rate, no significant difference between posterior and direct lateral surgical approach was found (relative risk 0.35). The presence of postoperative Trendelenburg gait was not significantly different between surgical approaches. The risk of nerve palsy or injury was significantly higher with the direct lateral approach (relative risk 0.16). However, there were no significant differences when comparing this risk nerve by nerve, in particular for the sciatic nerve. Of the other outcomes considered, only the average range of internal rotation in extension of the hip was significantly higher (weighted mean difference 16 degrees ) in the posterior approach group (mean 35 degrees, SD 13 degrees ) compared to the direct lateral approach (mean 19 degrees, SD 13 degrees ). CONCLUSION: The quality and quantity of information extracted from the trials performed to date are insufficient to make a firm conclusion on the optimum choice of surgical approach for adult patients undergoing primary THA for OA.
Arthroplasty, Replacement, Hip, Humans, Osteoarthritis, Hip, Postoperative Complications
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