| Use of a constrained tripolar acetabular liner to treat intraoperative instability and postoperative dislocation after total hip arthroplasty: a review of our experience. | |
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MedLine Citation:
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PMID: 15577475 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Constrained acetabular components have been used to treat certain cases of intraoperative instability and postoperative dislocation after total hip arthroplasty. We report our experience with a tripolar constrained component used in these situations since 1988. The outcomes of the cases where this component was used were analyzed for component failure, component loosening, and osteolysis. At average 10-year followup, for cases treated for intraoperative instability (2 cases) or postoperative dislocation (4 cases), the component failure rate was 6% (6 of 101 hips in 5 patients). For cases where the constrained liner was cemented into a fixed cementless acetabular shell, the failure rate was 7% (2 of 31 hips in 2 patients) at 3.9-year average followup. Use of a constrained liner was not associated with an increased osteolysis or aseptic loosening rate. This tripolar constrained acetabular liner provided total hip arthroplasty construct stability in most cases in which it was used for intraoperative instability or postoperative dislocation. |
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Authors:
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John J Callaghan; Michael R O'Rourke; Devon D Goetz; David G Lewallen; Richard C Johnston; William N Capello |
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Publication Detail:
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Type: Comparative Study; Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: Clinical orthopaedics and related research Volume: - ISSN: 0009-921X ISO Abbreviation: Clin. Orthop. Relat. Res. Publication Date: 2004 Dec |
Date Detail:
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Created Date: 2004-12-03 Completed Date: 2005-01-28 Revised Date: 2006-11-15 |
Medline Journal Info:
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Nlm Unique ID: 0075674 Medline TA: Clin Orthop Relat Res Country: United States |
Other Details:
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Languages: eng Pagination: 117-23 Citation Subset: AIM; IM |
Affiliation:
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University of Iowa College of Medicine, Iowa City, IA, 52242, USA. john-callaghan@uiowa.edu |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adult Aged Arthroplasty, Replacement, Hip / adverse effects*, methods Cohort Studies Female Follow-Up Studies Hip Dislocation / prevention & control* Hip Prosthesis* Humans Intraoperative Complications / prevention & control* Male Middle Aged Pain Measurement Postoperative Complications / prevention & control Prosthesis Design Prosthesis Failure Range of Motion, Articular / physiology Recovery of Function Retrospective Studies Risk Factors Treatment Outcome |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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