Electrophysiological methods on diagnosis of carpal tunnel syndrome and the applied research in the field of occupational medicine

电生理学方法诊断腕管综合征及其在职业医学领域的应用研究

• 批准号: 04670327
• 负责人: MURATA Katsuyuki
• 金额: $ 1.34万
• 依托单位: University of Tokyo
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for General Scientific Research (C)
• 财政年份: 1992
• 资助国家: 日本
• 起止时间: 1992 至 1993
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/en/grant/KAKENHI-PROJECT-04670327/
• 关键词: Carpal tunnel syndrome; Peripheral nerve conduction velocities; Distribution of nerve conduction velocities; Visual display terminal (VDT) worker; Vibrating tool operator; Electrophysiological methods; Occupational medicine; 電気生理学的診断法; 神経伝導速度分布(DC

The objective of this study is to develop a diagnostic method for the early detection of carpal tunnel syndrome (CTS), and to apply the technique to the field of occupational medicine.Sensory nerve conduction velocities in the palm-to-finger (SCV-pf), wrist-to finger (SCV-wf), wrist-to-palm (SCV-wp), and wrist-to-elbow (SCV-we) segments and the distribution of nerve conduction velocities in the right median nerve were determined among 27 female operators aged 19-37 and 19 healthy women (controls) aged 19-31 to estimate the prevalence of subclinical CTS.Also, the WF/PF ratio, dividing the SCV-wf by the SCV-pf, was calculated to assess abnormalities of nerve conduction within the carpal tunnel. The operators were engaged in data entry in front of a visual display terminal (VDT) for about 6h/day, and their working duration was between 1 and 17 (mean 6) years. The SCV-wf, SCV-wp, and WF/PF ratio in the operators were significantly lower than those in the controls. The rate of persons with the WF/PF ratio of less than 90%, i.e., below normal limits in the 19 controls, was significantly higher in the operator group (37%) than in the control group (0%). The operators complained of more symptoms related to CTS than did the controls, but any symptoms were not associated with slowing of nerve conduction velocities in the operators. In the controls, the WF/PF ratio was not closely correlated with skin temperature or age despite the presence of significant relations between skin temperature and the SCV-wf, SCV-pf, and SCV-wp ; the interpersonal variability of the WF/PF ratio was much smaller than that of all SCVs. In the light of the present and previous studies, the rate of VDT operators with subclinical CTS seems to be high, independent of its symptoms. Also, the WF/PF ratio will be a useful and reliable screening method for the early detection of CTS due to repetitive wrist and finger movements involved in work.

The objective of this study is to develop a diagnostic method for the early detection of carpal tunnel syndrome (CTS), and to apply the technique to the field of occupational medicine.Sensory nerve conduction velocities in the palm-to-finger (SCV-pf), wrist-to finger (SCV-wf), wrist-to-palm (SCV-wp), and wrist-to-elbow (SCV-we) segments and the distribution of nerve在19-37岁的27名女性操作员和19-31岁的19名健康女性（对照组）中确定了右中位神经的传导速度，以估计亚临床CTs.的流行，此外，还将SCV-WF除以SCV-PF的WF/PF比率，以评估SCV-PF的SCV-WF，以评估never nerve nerve nerve the Carpal the Carpal the the Carpal protuction nerve nerve the Carpal the tunal the Carpal the tunal the the Carpal the。操作员在视觉显示终端（VDT）面前进行了大约6小时的数据输入，其工作时间为1至17岁（平均6）年。操作员的SCV-WF，SCV-WP和WF/PF比率明显低于对照组中的SCV-WF/PF。 WF/PF比率低于90％的人的速率，即在19个对照组中低于正常限制，在操作员组中（37％）的人数明显高于对照组（0％）。操作员抱怨与对照组相比，与CT相关的症状更多，但是任何症状都与操作员的神经传导速度放缓无关。在对照组中，尽管皮肤温度与SCV-WF，SCV-PF和SCV-WP之间存在显着关系，但WF/PF比与皮肤温度或年龄密切相关。 WF/PF比的人际关系变异远小于所有SCV。鉴于目前和以前的研究，具有亚临床CTS的VDT操作员的速率似乎很高，与其症状无关。同样，由于重复的手腕和手指运动，WF/PF比将是一种有用且可靠的筛选方法，用于早期检测CTS。

项目成果

Murata K,Araki S,Okajima F,Saito Y.: "Subclinical impairment in the median nerve across the carpal tunnel among female VDT operators." International Archives of Occupational and Environmental Health. 68. 75-79 (1996)

Murata K、Araki S、Okajima F、Saito Y.：“女性 VDT 操作员中跨腕管的正中神经存在亚临床损伤。”

Murata K, Araki S, Okajima F, Nakao M, Suwa K,Matsunaga C: "Effects of occupational use of vibrating tools in the autonomic,central and peripheral nervous system." International Archives of Occupational and Environmental Health. 70. 94-100 (1998)

Murata K、Araki S、Okajima F、Nakao M、Suwa K、Matsunaga C：“职业使用振动工具对自主、中枢和周围神经系统的影响。”

Murata K, Araki S, Okajima F, Saito Y: "Subclinical impairment in the median nerve across the carpal tunnel among female VDT operators." International Archives of Occupational and Environmental Health. 68. 75-79 (1996)

Murata K、Araki S、Okajima F、Saito Y：“女性 VDT 操作员中跨腕管的正中神经存在亚临床损伤。”