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- Yunchao Shao, Chi Zhang, Kory D Charron, Steven J Macdonald, Richard W McCalden, and Robert B Bourne.
- Department of Orthopaedic Surgery, Zhongshan hospital affiliated to Fudan University, Shanghai, P.R. China.
- J Arthroplasty. 2013 Dec 1; 28 (10): 1842-5.
AbstractThe purpose of this study was to determine the fate of the remaining hip(s) and knee(s) following an initial total hip or knee arthroplasty in 5352 patients with idiopathic osteoarthritis who were followed for a minimum ten years (mean 17.8 ± 5.7 years). Following an initial primary TKA, 46.0% of patients had a contralateral TKA, 2.3% had an ipsilateral THA and 1.3% had a contralateral THA. Following an initial primary THA, 30.5% of patients had a contralateral THA, 6.8% had an ipsilateral TKA and 2.9% had a contralateral TKA. Cox regression analysis demonstrated that BMI was the sole risk factor for a second THA, but both age less than sixty years and a higher BMI were significant factors for patients requiring an additional primary TKA. Copyright © 2013. Published by Elsevier Inc.
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