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KMID : 0860920040060010004
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Journal of the Korean Association EMG-Electrodiagnostic Medicine
2004 Volume.6 No. 1 p.4 ~ p.9
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Posoperative Clinical and Neurophsiological Follow up study of Very Severe and Exteremely Severe Carpal Tunnel Syndrome
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Kim Chul-Hyun
Park Chang-Young
Byun Seung-Deuk
Lee Yang-Soo
Kim Poong-Taek
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Abstract
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Objectives: The purpose of this study is to analyze the postoperative neutophysiologic out come and clonocal symptoms of patients with very severe and extremely severe carpal tunnel syndrome.
Methods: Median nerve conduction test was performed in 27 hands 20 patients with very severe and extremely severe carpal tunnel syndrome. These 27 hands were classified according to Bland´s Neurophysiologic grading scale, 8 hands were Bland´s grade 5, and 9 were grade 6. patients were examined preoperatively and 1 and 3 and 6 months postoperatively.
Results: Eleven hands newly showed motor response through neurophysiologic test as well as eighteen hands did sensory response. The critical period for the best latency and visual analogue scale over median motor nerve and median sensory nerve was one month after operatin, and the critical period for the best amplitude was six months after operation. The latency of median motor and ssensory nerve had higher correlation with visual analogue scale is higher than the latency over median motor nerve.
Comclusion: Symptoms and parameters of neurophysiologic test improved with operations in patients with very severe and extremely severe carpal tunnel syndrome.
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KEYWORD
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Extreme carpal tunnel syndrome, outcome, Nerve conduction study
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