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Journal of the Korean Academy of Rehabilitation Medicine 2002;26(6):717-727.
Estimation of Reference Values of Median Nerve Conduction Study: A Meta-Analysis.
Lee, Kung Mu , Ra, Yun Ju
1Department of Rehabilitation Medicine, Chungbuk National University School of Medicine, Korea. reh-2@hanmail.net
2Department of Rehabilitation Medicine, Sungkyunkwan University School of Medicine, Korea.
메타 분석을 이용한 정중신경 전도검사의 정상 참고치
이경무·라윤주1
충북대학교 의과대학 재활의학교실, 1성균관대학교 의과대학 삼성서울병원 재활의학교실
Abstract
Objective
The comparison of nerve conduction parameters of each laboratory is difficult because those are influenced by many factors. This study was performed to provide comprehensive normative nerve conduction parameters of median nerve by using a meta-analysis.
Method
We searched MEDLINE between year 1965 to 2000. Among them we selected 7 articles that provided the mean, standard deviation and sample size of median nerve conduction study and estimated the reference value of median nerve conduction parameters using a meta-analysis.
Results
The distal latency of median motor nerve was measured at 8 cm proximal to motor point of abductor pollicis brevis and the distal latency of median sensory nerve was measured at 14 cm proximal to interphalangeal joint of 2nd or 3rd finger. Mean of distal onset latency, amplitude, and conduction velocities of median motor nerve were 3.46 msec, 11.12 mV, and 57.10 m/sec, respectively. Mean of onset distal latency, peak distal latency, and amplitude of median sensory nerve conduction study were 2.72 msec, 3.34 msec, and 37.29 mV, respectively.
Conclusion
Meta-analysis can summarize large quantity of studies and can maximize subject numbers, it can provide reference value approximate to the normal one. So this value can be used in interpretation of the reference value of each laboratories. (J Korean Acad Rehab Med 2002; 26: 717- 727)
Key Words: Median nerve, Nerve conduction study, Reference value


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