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건강한 성인을 대상으로 시행한 신경전도검사의 검사자 내 변이

Other Titles
 Intraexaminer Variability of Nerve Conduction Study in Healthy Person 
 김서현  ;  김승민  ;  선우일남  ;  남정모  ;  권기한  ;  문준식  ;  정근호  ;  노숙영  ;  권순희  ;  강사윤  ;  정연경 
 Journal of the Korean Neurological Association, Vol.22(3) : 235-239, 2004 
Journal Title
Journal of the Korean Neurological Association
Issue Date
Nerve conduction ; Variation ; Training
Background: Nerve conduction study (NCS) is an objective and quantitative test in evaluating peripheral nerve disorders. Several physiological and technical factors are well known to influence the results of NCS, which can be controlled and regulated by standardization of environment and through the process to make range of normality. However, most electromyographers do not pay much attentions about inter- and intra-examiner variabilities, and there are only a few and incomplete reports on these topics. We examined the intra-examiner variability of NCS on the basis of periods of practice. Methods: Twenty-eight electromyographers were divided into two groups: residents and neurologist-technicians. All, having variable NCS training periods, have performed NCS on one of other 27 electromyographers ten times within two weeks where each study was made once a day. Results: Coefficient of variation and external quotient increased according to the following order - nerve conduction velocities (NCV), terminal latencies (TL), and amplitudes of compound action potentials (AMP). There were significant differences between the two groups in NCV and TL, but no statistical difference in AMP. Conclusions: Our results suggest that errors from intra-examiner variability should be considered when interpreting NCS and that those electromyographers who have enough training should perform NCS.
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Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Preventive Medicine (예방의학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Neurology (신경과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Seo Hyun(김서현)
Kim, Seung Min(김승민) ORCID logo https://orcid.org/0000-0002-4384-9640
Nam, Chung Mo(남정모) ORCID logo https://orcid.org/0000-0003-0985-0928
Sunwoo, Il Nam(선우일남)
Jung, Yeon Kyung(정연경)
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