| Effect of Pelvic Obliquity on the Orientation of the Acetabular Component in Total Hip Arthroplasty. | |
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MedLine Citation:
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PMID: 22054902 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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In infrapelvic obliquity, coronal pelvic malrotation entails a change in the spatial location of the bony acetabulum. In the present study, 77 patients presented with infrapelvic obliquity with types 1 and 2 hip pathologies in which the pelvis is lower and higher, respectively, on the short-leg side. The 2 types were classified into 3 subtypes (A, B, and C) according to the severity of the pelvic obliquity (0°-3°, 3°-6°, and >6°). Angles of inclination of pelvic obliquity postoperatively, anteversions, and inclinations (abduction angle) for acetabular components were measured after total hip arthroplasty. Increased inclination (mean, 8.79°) was observed in type 1C, where the angle of inclination to pelvic obliquity postoperatively was minimally corrected. This increase may lead to cup instability. Rebalancing the pelvis in these cases with preoperative skeletal traction and/or sufficient release of hip contractures may be necessary. A correction of the mean inclination of the cup by 8.79° is required. |
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Authors:
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Xiaoxiao Zhou; Qi Wang; Xianlong Zhang; Yunshu Chen; Hao Shen; Yao Jiang |
Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-11-3 |
Journal Detail:
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Title: The Journal of arthroplasty Volume: - ISSN: 1532-8406 ISO Abbreviation: - Publication Date: 2011 Nov |
Date Detail:
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Created Date: 2011-11-7 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8703515 Medline TA: J Arthroplasty Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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Copyright © 2011 Elsevier Inc. All rights reserved. |
Affiliation:
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Department of Orthopedics, Taizhou Central Hospital, Taizhou, Zhejiang Province, People's Republic of China. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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