| Risk factors for early dislocation after total hip arthroplasty: a matched case-control study. | |
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MedLine Citation:
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PMID: 20808008 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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PURPOSE: To evaluate risk factors for early dislocation after primary total hip arthroplasty (THA). METHODS: Records of 175 cases with dislocation during hospitalisation after THA and 651 controls without dislocation were reviewed. Cases and controls were matched for age, gender, body mass index classification, primary diagnosis, cup design, hospital, and year of intervention. Version and inclination of the acetabular component and version of the femoral component were assessed intra- and post-operatively. Various risk factors were analysed, including surgical approach, cup positioning, combined cup and stem positioning, and femoral head size. RESULTS: The posterior approach was 6 fold more prone to dislocation (odds ratio [OR]=6.3, p<0.018) than the anterolateral or straight lateral approach. With regard to combined cup and stem positioning, the acceptable position was at significantly higher risk of dislocation than the ideal position (OR=2.59, p=0.033). Larger femoral head sizes were associated with significantly lower risk of dislocation (OR=0.84, p=0.02). CONCLUSION: Surgical approach, combined cup and stem positioning, and femoral head size were significant risk factors for dislocation during hospitalisation. |
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Authors:
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Marcel Dudda; A Gueleryuez; E Gautier; A Busato; C Roeder |
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Publication Detail:
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Type: Comparative Study; Journal Article; Multicenter Study |
Journal Detail:
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Title: Journal of orthopaedic surgery (Hong Kong) Volume: 18 ISSN: 1022-5536 ISO Abbreviation: J Orthop Surg (Hong Kong) Publication Date: 2010 Aug |
Date Detail:
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Created Date: 2010-09-02 Completed Date: 2011-01-25 Revised Date: 2011-06-13 |
Medline Journal Info:
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Nlm Unique ID: 9440382 Medline TA: J Orthop Surg (Hong Kong) Country: China |
Other Details:
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Languages: eng Pagination: 179-83 Citation Subset: IM |
Affiliation:
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Department of Orthopaedic Surgery, Inselspital Berne, University of Berne, Switzerland. marcel.dudda@rub.de |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Aged Arthroplasty, Replacement, Hip / adverse effects* Body Mass Index Europe / epidemiology Female Follow-Up Studies Hip Dislocation / epidemiology, etiology*, radiography Humans Incidence Male Odds Ratio Osteoarthritis, Hip / surgery Postoperative Complications Retrospective Studies Risk Factors Treatment Failure |
| Comments/Corrections | |
Comment In:
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J Orthop Surg (Hong Kong). 2011 Apr;19(1):126; author reply 126-7
[PMID:
21519095
]
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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