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Measurement of cross-sectional area of cervical roots and brachial plexus trunks.
MedLine Citation:
PMID:  23055312     Owner:  NLM     Status:  In-Data-Review    
Introduction: The aim of this study was to determine normal reference values for cross-sectional area (CSA) and the correlation between demographic factors and CSA in the cervical roots and brachial plexus trunks using ultrasonography. Methods: Ninety-five age-matched healthy individuals were studied. Ultrasonographic tests were performed via nerve tracing from the cervical root to the brachial plexus trunk. The CSA of each nerve was measured in the C5-8 ventral roots and brachial plexus (trunk level). Results: Normal values of each cervical root were: C5, 5.66 ± 1.02 mm(2) ; C6, 8.98 ± 1.65 mm(2) ; C7, 10.43 ± 1.86 mm(2) ; and C8, 10.76 ± 2.02 mm(2) . Values for the brachial plexus were: upper trunk, 16.70 ± 2.88 mm(2) ; middle trunk, 14.01 ± 2.70 mm(2) ; and lower trunk, 13.75 ± 2.57 mm(2) . The side-to-side discrepancy was 11.91 ± 11.11%. Body mass index (BMI) and height correlated frequently with nerve CSA. Conclusions: These reference values may be helpful in investigating pathologies involving the cervical area. Muscle Nerve 46: 711-716, 2012.
Sun Jae Won; Byung-Jo Kim; Kyung Seok Park; Se Hwa Kim; Joon Shik Yoon
Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Muscle & nerve     Volume:  46     ISSN:  1097-4598     ISO Abbreviation:  Muscle Nerve     Publication Date:  2012 Nov 
Date Detail:
Created Date:  2012-10-11     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7803146     Medline TA:  Muscle Nerve     Country:  United States    
Other Details:
Languages:  eng     Pagination:  711-6     Citation Subset:  IM    
Copyright Information:
Copyright © 2012 Wiley Periodicals, Inc.
Department of Rehabilitation Medicine, Yeouido St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, South Korea.
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