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Journal of the Korean Academy of Rehabilitation Medicine 2009;33(4):423-428.
Electrodiagnostic Methods for Carpal Tunnel Syndrome Combined with Diabetic Polyneuropathy.
Shin, Oh Soo , Kim, Tae Gun , Kwon, Soon Mo , Park, Dong Hwi , Byun, Seung Deuk , Kim, Chul Hyun
1Department of Rehabilitation Medicine, Daegu Fatima Hospital, Korea. ms-27v@hanmail.net
2Department of Rehabilitation Medicine, Kyungpook National University College of Medicine, Korea.
당뇨병성 신경병증에 동반된 수근관 증후군의 전기진단학적 검사방법
신오수, 김태건, 권순모, 박동휘, 변승득, 김철현1
대구 파티마병원 재활의학과, 1경북대학교 의과대학 재활의학교실
Abstract
Objective
To find out the most useful method among three electrodiagnostic tests for carpal tunnel syndrome (CTS) in patients with diabetic peripheral polyneuropathy (PPN).
Method
Eighty-three hands out of seventy-four patients who had diabetic PPN and tingling sensation in their hands were included in this study. They were divided into two groups: Group A, PPN with CTS; Group B, PPN only. Fifty-four hands with CTS in patients without diabetes were included as a control group (Group C). Another forty normal hands were also included as a healthy control group (Group D). Clinical and electrophysiologic information was gathered from those subjects. Sensitivity, specificity and receiver operating characteristic (ROC) curves of the three electrodiagnostic tests, namely, the difference between the median nerve latency to the second lumbrical muscle and the ulnar nerve latency to the second interosseous muscle (L-I difference), ratio of distoproximal latency in median sensory nerve (MW ratio), and difference of distoproximal latency in median sensory nerve (MW difference) to diagnose clinical CTS were obtained.
Results
The specificity of L-I difference as a diagnostic test for CTS was highest (87.0%). The area of ROC curve of L-I difference was also highest (0.949) among three different electrodiagnostic tests of CTS with diabetic PPN.
Conclusion
We suggest that L-I difference as the most useful test with highest specificity for the diagnosis of CTS in the patients with diabetic PPN. (J Korean Acad Rehab Med 2009; 33: 423-428) Key Words:
Key Words: Diabetic polyneuropathy, Carpal tunnel syndrome, Electrodiagnostic test


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