| A radiographic analysis of the effects of prosthesis design on scapular notching following reverse total shoulder arthroplasty. | |
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MedLine Citation:
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PMID: 21167747 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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BACKGROUND: Scapular notching is a well-recognized complication of reverse total shoulder arthroplasty (RTSA). This paper analyzes the effects of prosthesis design on scapular notching in RTSA. METHODS: From a database of all RTSA performed by the senior author, shoulders with minimum 12-month follow-up were included (65 shoulders). Notching in shoulders with a prosthesis neck-shaft angle of 155° and no center-of-rotation (COR) offset (group 1) was compared to notching in shoulders with a neck-shaft angle of 143° and 2.5-mm COR offset (group 2). P values less than .05 were considered significant. RESULTS: The notching grade was significantly higher in group 1 than in group 2, even after statistically adjusting for differences in length of follow-up (P = .0081). The incidence of notching in group 1 at 60.7% was significantly higher than the 16.2% incidence in group 2 (P = .0107). CONCLUSION: Using prostheses with a smaller neck-shaft angle and increased COR offset can significantly reduce scapular notching in RTSA at 1 year, possibly improving prosthesis survival. |
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Authors:
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Laurence B Kempton; Mamtha Balasubramaniam; Elizabeth Ankerson; J Michael Wiater |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2010-12-15 |
Journal Detail:
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Title: Journal of shoulder and elbow surgery / American Shoulder and Elbow Surgeons ... [et al.] Volume: - ISSN: 1532-6500 ISO Abbreviation: - Publication Date: 2010 Dec |
Date Detail:
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Created Date: 2010-12-20 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9206499 Medline TA: J Shoulder Elbow Surg Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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Copyright © 2010 Journal of Shoulder and Elbow Surgery Board of Trustees. Published by Mosby, Inc. All rights reserved. |
Affiliation:
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William Beaumont Hospital Department of Orthopaedic Surgery, Royal Oak, MI, USA. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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