| The need for total hip arthroplasty in Perthes disease: a long-term study. | |
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MedLine Citation:
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PMID: 20838945 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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BACKGROUND: Legg-Calvé-Perthes disease (LCPD) was described a century ago. In previous long-term reports of patients with LCPD, nonoperative treatment varied considerably. The likelihood of hip osteoarthritis (OA) developing in patients with LCPD and possible need for THA are not well defined. QUESTIONS/PURPOSES: The purpose of the study was to determine whether nonoperatively treated patients with LCPD (1) had an increased prevalence of THA compared with gender- and age-matched control subjects, (2) if patients with Stulberg Classes III/IV/V femoral heads had an increased risk of THA compared with those with Classes I/II femoral heads. Given the limitation in the study, we (3) evaluated whether patients with LCPD were at risk for having radiographic hip OA more commonly than control subjects and (4) whether hips with Classes III/IV/V femoral heads had an increased prevalence of OA compared with hips with Classes I/II femoral heads. PATIENTS AND METHODS: The study population consisted of 167 patients with LCPD treated with a Thomas splint. The control population consisted of gender- and age-matched control subjects who were participants in the Copenhagen City Heart Study: the Osteoarthritis Substudy. Radiographs at skeletal maturity were classified according to the classification system of Stulberg et al. Data from the Danish Hip Arthroplasty Register and the Registries of the National Board of Health were collected to obtain the number of patients with LCPD having THA. At a mean followup of 47 years later (range, 37-58 years), weightbearing pelvic radiographs were obtained. Radiographic OA was defined as a joint space width of 2.0 mm or less. RESULTS: Thirteen percent of patients with LCPD had THAs compared with none in the control group. Seven percent of the patients with LCPD had OA compared with 1% in the control group. The prevalence of THA and OA was increased in hips with Classes III/IV/V femoral heads compared with hips with Classes I/II femoral heads. CONCLUSIONS: Patients with LCPD have an increased risk of having THA compared with a gender- and age-matched control group. Our data suggest that patients with LCPD have a greater risk of having radiographic OA develop than a gender- and age-matched control group. It seems that patients with Classes III/IV/V femoral heads have an increased risk of THA and OA compared with patients with Classes I/II femoral heads. LEVEL OF EVIDENCE: Level III, prognostic study. See Guidelines for Authors for a complete description of levels of evidence. |
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Authors:
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Lonnie Froberg; Finn Christensen; Niels Wisbech Pedersen; Søren Overgaard |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't Date: 2010-09-14 |
Journal Detail:
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Title: Clinical orthopaedics and related research Volume: 469 ISSN: 1528-1132 ISO Abbreviation: Clin. Orthop. Relat. Res. Publication Date: 2011 Apr |
Date Detail:
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Created Date: 2011-03-04 Completed Date: 2011-05-12 Revised Date: 2012-04-02 |
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: 1134-40 Citation Subset: AIM; IM |
Affiliation:
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Department of Orthopaedic Surgery, Kolding Hospital, Kolding, Denmark, lonniefroberg@yahoo.dk. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Arthroplasty, Replacement, Hip* Case-Control Studies Child Child, Preschool Denmark Disease Progression Female Humans Legg-Calve-Perthes Disease / complications, radiography, therapy* Logistic Models Male Middle Aged Odds Ratio Osteoarthritis, Hip / etiology, radiography, surgery* Registries Retrospective Studies Risk Assessment Risk Factors Splints* Time Factors Treatment Outcome |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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