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Article type: Research Article
Authors: Jung, Do Huna | Lee, Sang-Eokb | Park, Doughob; c; * | Lee, Jang Wooa; *
Affiliations: [a] Department of Physical Medicine and Rehabilitation, National Health Insurance Service Ilsan Hospital, Goyang, Korea | [b] Department of Rehabilitation Medicine, Pohang Stroke and Spine Hospital, Pohang, Korea | [c] Department of Medical Science and Engineering, School of Convergence Science and Technology, Pohang University of Science and Technology, Pohang, Korea
Correspondence: [*] Corresponding authors: Dougho Park, Pohang Stroke and Spine Hospital, 352 Huimang-daero, Nam-gu, Pohang 37659, Korea. E-mail: [email protected]. Jang Woo Lee, National Health Insurance Service Ilsan Hospital, 100 Ilsan-ro Ilsandong-gu, Goyang 10444, Korea. E-mail: [email protected].
Abstract: BACKGROUND: An electrodiagnostic evaluation is conducted to diagnose carpal tunnel syndrome (CTS) and evaluate its severity. OBJECTIVE: This study proposes a revised approach for classifying the severity of electrophysiological findings for patients with CTS. METHODS: This retrospective cross-sectional study included patients with CTS confirmed through electrodiagnostic evaluations. Based on the Stevens’ classification, the patients were divided into three groups (mild/moderate/severe). A new intermediate group was defined to identify patients with normal motor nerve conduction studies and abnormal electromyographic results. CTS pain was evaluated using a numeric rate scale. Physical examinations and sonographic evaluation were performed to detect anatomical abnormalities. RESULTS: Overall, 1,069 CTS hands of 850 CTS patients were included. The mean age was 57.9 ± 10.8 years, and 336 (39.5%) were men. There were 522 (48.8%) mild cases; 281 (26.3%) moderate cases; and 266 (24.9%) severe cases. In the severe group, 49 cases were reclassified into the intermediate group. The median cross-sectional area in the intermediate group significantly differed from that in the severe group. However, the pain score significantly differed from that of the moderate group. CONCLUSION: The intermediate CTS group showed clinical features that were intermediate to those of the moderate and severe CTS groups.
Keywords: Nerve compression syndromes, classification, neurophysiology, ultrasonography
DOI: 10.3233/BMR-230275
Journal: Journal of Back and Musculoskeletal Rehabilitation, vol. Pre-press, no. Pre-press, pp. 1-8, 2024
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