| Does body mass index affect the outcome of unicompartmental knee replacement? | |
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MedLine Citation:
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PMID: 23110877 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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BACKGROUND: Obesity is considered to be a contraindication for unicompartmental knee replacement (UKR). The aim was to study the impact of BMI on failure rate and clinical outcome of the Oxford mobile bearing UKR. METHOD: Two thousand four hundred and thirty-eight medial Oxford UKRs were studied prospectively and divided into groups: BMI<25 (n=378), BMI 25 to <30 (n=856), BMI 30 to <35 (n=712), BMI 35 to <40 (n=286), and BMI 40 to <45 (n=126) and BMI≥45 (n=80). RESULTS: There was no significant difference in survival rate between groups. At a mean follow-up of 5years (range 1-12years) there was no significant difference in the Objective American Knee Society Score between groups. There was a significant (p<0.01) trend with the Oxford Knee Score (OKS) and Functional American Knee Society Scores decreasing with increasing BMI. As there was an opposite trend (p<0.01) in pre-operative OKS, the change in OKS increased with increasing BMI (p=0.048). The mean age at surgery was significantly (p<0.01) lower in patients with higher BMI. CONCLUSIONS: Increasing BMI was not associated with an increasing failure rate. It was also not associated with a decreasing benefit from the operation. Therefore, a high BMI should not be considered a contra-indication to mobile bearing UKR. LEVEL OF EVIDENCE: IV. |
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Authors:
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D W Murray; H Pandit; J S Weston-Simons; C Jenkins; H S Gill; A V Lombardi; C A F Dodd; K R Berend |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-10-27 |
Journal Detail:
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Title: The Knee Volume: - ISSN: 1873-5800 ISO Abbreviation: Knee Publication Date: 2012 Oct |
Date Detail:
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Created Date: 2012-10-31 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9430798 Medline TA: Knee Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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Copyright © 2012. Published by Elsevier B.V. |
Affiliation:
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The Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Headington, Oxford, UK; The Nuffield Orthopaedic Centre, Headington, Oxford, UK. Electronic address: david.murray@ndorms.ox.ac.uk. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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