| Sonography in carpal tunnel syndrome. | |
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MedLine Citation:
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PMID: 21922467 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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Introduction: Our objective in this study was to assess the diagnostic utility of the median nerve cross-sectional area (CSA) at the wrist, the wrist-forearm ratio, and the wrist-forearm difference in patients with and without carpal tunnel syndrome (CTS). Methods: Individuals with electrodiagnostically proven CTS and asymptomatic control subjects were recruited prospectively from among patients referred to our electrodiagnostic laboratory. Blinded measurements of CSA were made from transverse sonographic images of the median nerve at the wrist (pisiform) and mid-forearm. Results: Fifty-five cases and 49 controls were recruited. Wrist median nerve CSA (15 vs. 9 mm(2) ; P < 0.0001), wrist-forearm ratio (3.09 vs. 1.90 mm(2) ; P < 0.0001), and wrist-forearm difference (10 vs. 4 mm(2) ; P < 0.0001) were all significantly larger in CTS cases (areas under the curve = 0.89, 0.82, and 0.88, respectively). Conclusions: Median nerve CSA at the carpal tunnel inlet and wrist-forearm difference provides the best discrimination between patients with CTS and controls according to receiver operator characteristic (ROC) analysis. Age, gender, height, weight, and wrist size have no effect on CSA. Muscle Nerve, 2011. |
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Authors:
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Andrea N Leep Hunderfund; Andrea J Boon; Jayawant N Mandrekar; Eric J Sorenson |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Muscle & nerve Volume: 44 ISSN: 1097-4598 ISO Abbreviation: Muscle Nerve Publication Date: 2011 Oct |
Date Detail:
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Created Date: 2011-09-16 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 7803146 Medline TA: Muscle Nerve Country: United States |
Other Details:
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Languages: eng Pagination: 485-91 Citation Subset: IM |
Copyright Information:
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Copyright © 2011 Wiley Periodicals, Inc. |
Affiliation:
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Department of Neurology, Mayo Clinic College of Medicine, 200 First Street SW, Rochester, Minnesota 55905, USA. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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