Cervical Spine, Upper Extremity Neuropathies, and Overuse Injuries in Cyclists.

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Abstract

[Indexed for MEDLINE] 17. Hand Clin. 2022 Feb;38(1):55-58. doi: 10.1016/j.hcl.2021.08.004. Preoperative Evaluation of Thenar Muscles in Carpal Tunnel Syndrome by Ultrasonography. Nagura I(1), Kanatani T(2), Harada Y(2), Takase F(2), Inui A(3), Mifune Y(3), Kuroda R(3). Author information: (1)Department of Orthopedic Surgery, Ako City Hospital, 1090 Nakahiro, Ako 678-0232, Japan. Electronic address: inagura0522@gmail.com. (2)Department of Orthopaedic Surgery, Kobe Rosai Hospital, 4-1-23 Kagoike-dori, Chuo-ku, Kobe 651-0053, Japan. (3)Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe 6500017, Japan. This article aims to evaluate the usefulness of ultrasonography for the measurement of thenar muscles in carpal tunnel syndrome (CTS). A total of 85 patients with CTS who had a carpal tunnel release procedure were included in this study. The transducer was applied onto the palmar surface of the hand perpendicularly to the longitudinal axis of the first metacarpal bone. Thenar atrophy was evaluated visually and classified using the visual grading scale. A nerve conduction test was performed and classified according to the electrophysiological severity scale. This technique is more precise than visual evaluation because it is a quantitative assessment. Copyright © 2021 Elsevier Inc. All rights reserved. DOI: 10.1016/j.hcl.2021.08.004