| Intraneural blood flow analysis during an intraoperative Phalen's test in carpal tunnel syndrome. | |
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MedLine Citation:
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PMID: 20108328 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Phalen's test has been one of the most significant of clinical signs when making a clinical diagnosis of idiopathic carpal tunnel syndrome (CTS). However, it is unknown whether intraneural blood flow changes during Phalen's test in patients with CTS. In this study, an intraoperative Phalen's test was conducted in patients with CTS to observe the changes in intraneural blood flow using a laser Doppler flow meter. During Phalen's test, intraneural blood flow showed a sharp decrease, which lasted for 1 min. Intraneural blood flow decreased by 56.7%-100% (average, 78.0%) in the median nerve relative to the blood flow before the test. At 1 min after completing the test, intraneural blood flow returned to the baseline value. After carpal tunnel release, there was no marked decrease in intraneural blood flow. This study demonstrated that the blood flow in the median nerve is reduced when Phalen's test is performed in vivo. |
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Authors:
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Takafumi Yayama; Shigeru Kobayashi; Kousuke Awara; Kenichi Takeno; Tsuyoshi Miyazaki; Masafumi Kubota; Kohei Negoro; Hisatoshi Baba |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Journal of orthopaedic research : official publication of the Orthopaedic Research Society Volume: 28 ISSN: 1554-527X ISO Abbreviation: J. Orthop. Res. Publication Date: 2010 Aug |
Date Detail:
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Created Date: 2010-06-24 Completed Date: 2010-07-19 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8404726 Medline TA: J Orthop Res Country: United States |
Other Details:
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Languages: eng Pagination: 1022-5 Citation Subset: IM |
Copyright Information:
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Copyright 2010 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. |
Affiliation:
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Faculty of Medical Sciences, University of Fukui, 23-3, Shimoaizuki, Matsuoka, Eiheiji, Fukui, Japan 910-1193. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adult Aged Carpal Tunnel Syndrome / physiopathology* Electrodiagnosis Female Humans Male Median Nerve / blood supply*, physiopathology Middle Aged Neural Conduction* |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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