| Carpal tunnel pressure measurement during two-portal endoscopic carpal tunnel release. | |
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MedLine Citation:
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PMID: 20655638 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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BACKGROUND: Although there remain concerns of median nerve damage during endoscopic carpal tunnel release for carpal tunnel syndrome, carpal tunnel pressure variations during Chow's two-portal technique have not been well investigated. METHODS: We performed a modified two-portal endoscopic carpal tunnel release on 30 patients by inserting a catheter pressure transducer into the carpal tunnel for continuous pressure measurement during the procedure. Grip and pinch strengths, Semmes-Weinstein monofilament test, and nerve conduction studies were examined preoperatively and at postoperative 1, 3, and 6 months. Numbness and the Disabilities of the Arm, Shoulder and Hand score were also evaluated pre and postoperatively. FINDINGS: Subjective symptoms and nerve conduction study findings improved uneventfully. The pressure was always observed to be maximum pressure immediately before the cannula was withdrawn from the exit portal, and carpal tunnel pressure >300 mm Hg was recorded in most of the patients. INTERPRETATION: A transient increase in the carpal tunnel pressure occurred in all the patients; however, it did not correlate with their clinical outcome or with increased risk of peri-operative complications. Since time-pressure threshold of the median nerve during endoscopic carpal tunnel release is still unknown, our results did not guarantee its safety. |
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Authors:
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S Uchiyama; T Yasutomi; T Momose; H Nakagawa; M Kamimura; H Kato |
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Publication Detail:
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Type: Journal Article Date: 2010-07-23 |
Journal Detail:
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Title: Clinical biomechanics (Bristol, Avon) Volume: 25 ISSN: 1879-1271 ISO Abbreviation: Clin Biomech (Bristol, Avon) Publication Date: 2010 Nov |
Date Detail:
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Created Date: 2010-10-04 Completed Date: 2011-02-02 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8611877 Medline TA: Clin Biomech (Bristol, Avon) Country: England |
Other Details:
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Languages: eng Pagination: 893-8 Citation Subset: IM |
Copyright Information:
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Copyright © 2010 Elsevier Ltd. All rights reserved. |
Affiliation:
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Department of Orthopaedic Surgery, Shinshu University School of Medicine, Asahi 3-1-1, Matsumoto 390-8621, Japan. sigeuti@shinshu-u.ac.jp |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adult Aged Aged, 80 and over Carpal Tunnel Syndrome / physiopathology* Catheters Endoscopy / methods* Female Hand / pathology Humans Magnetic Resonance Imaging Male Median Nerve / pathology Middle Aged Pressure Shoulder / pathology Time Factors |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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