| The lateral condyle index: a new index for assessing the length of the lateral articular trochlea as predisposing factor for patellar instability. | |
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MedLine Citation:
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PMID: 21069526 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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The central trochlea has been considered as the major location of dysplasia. The purpose of this study was to investigate the influence of the lateral trochlea on patellar stability and to establish a new method for measuring the lateral trochlea on sagittal magnetic resonance (MR) images. Twenty-eight knees of 23 patients suffering from lateral patellar subluxation (12 knees with radiological signs of central trochlear dysplasia) and of 46 patients without patellofemoral complaints (without central trochlear dysplasia) were analysed. The lateral condyle index was designed to measure the lateral trochlea by comparing the anterior cartilaginous trochlea (a) and the posterior aspect (p) [(a:p)× 100]. The lateral condyle index showed high interrater reliability (r = .94) and was significantly (p < 0.001) lower in symptomatic patients (86%) than in the control group (93%). These results show high clinical relevance of the lateral trochlea as another factor for patellar instability. |
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Authors:
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Roland M Biedert; Patricia Netzer; Imre Gal; Andrea Sigg; Philippe M Tscholl |
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Publication Detail:
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Type: Journal Article Date: 2010-11-11 |
Journal Detail:
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Title: International orthopaedics Volume: 35 ISSN: 1432-5195 ISO Abbreviation: Int Orthop Publication Date: 2011 Sep |
Date Detail:
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Created Date: 2011-08-22 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 7705431 Medline TA: Int Orthop Country: Germany |
Other Details:
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Languages: eng Pagination: 1327-31 Citation Subset: IM |
Affiliation:
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Sportclinic Villa Linde, Orthopaedics & Sport Traumatology, CH-2503, Biel, Switzerland, info@scvl.ch. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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