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Associations between anthropometric factors and peripheral neuropathy defined by vibrotactile perception threshold among industrial vibrating tool operators in Japan

OBJECTIVES: The effect of anthropometric factors on the fingertip vibrotactile perception threshold (VPT) of industrial vibrating tool operators (IVTOs) is not well known. The purpose of this study was to investigate the associations between anthropometric factors and fingertip VPT. METHODS: We incl...

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Autores principales: Takemura, Shigeki, Yoshimasu, Kouichi, Tsuno, Kanami, Fukumoto, Jin, Kuroda, Mototsugu, Miyashita, Kazuhisa
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Japan Society for Occupational Health 2016
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5356960/
https://www.ncbi.nlm.nih.gov/pubmed/27010084
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author Takemura, Shigeki
Yoshimasu, Kouichi
Tsuno, Kanami
Fukumoto, Jin
Kuroda, Mototsugu
Miyashita, Kazuhisa
author_facet Takemura, Shigeki
Yoshimasu, Kouichi
Tsuno, Kanami
Fukumoto, Jin
Kuroda, Mototsugu
Miyashita, Kazuhisa
author_sort Takemura, Shigeki
collection PubMed
description OBJECTIVES: The effect of anthropometric factors on the fingertip vibrotactile perception threshold (VPT) of industrial vibrating tool operators (IVTOs) is not well known. The purpose of this study was to investigate the associations between anthropometric factors and fingertip VPT. METHODS: We included for analysis two groups of IVTOs: Group 1, predominantly forestry workers (n=325); and Group 2, public servants (n=68). These IVTOs regularly received medical examinations to evaluate hand-arm vibration syndrome. In the examination, measurements of their fingertip VPTs were taken before and after cold-water immersion (10 minutes at 10°C for Group 1 and 5 minutes at 12°C for Group 2). Their body height and weight were measured to calculate the body mass index (BMI). The presence of peripheral neuropathy (PN) was defined as a VPT ≥17.5 dB at 10 minutes after finishing immersion. RESULTS: In the univariate analysis, weight and BMI were associated with a decreased risk of PN in both Groups 1 and 2. The negative association between BMI and PN remained in the multivariate analysis consistently, but weight reached marginal significance only in the multivariate analysis without BMI in both the groups. Age was positively associated with PN consistently in Group 1 but not in Group 2. Years exposed to vibration showed positive association with PN only in the univariate analysis of Group 1. CONCLUSIONS: Among IVTOs, factors reflecting body heat production, such as weight and BMI, were associated with a decreased risk of VPT-defined PN, regardless of the task engaged.
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spelling pubmed-53569602017-03-23 Associations between anthropometric factors and peripheral neuropathy defined by vibrotactile perception threshold among industrial vibrating tool operators in Japan Takemura, Shigeki Yoshimasu, Kouichi Tsuno, Kanami Fukumoto, Jin Kuroda, Mototsugu Miyashita, Kazuhisa J Occup Health Original OBJECTIVES: The effect of anthropometric factors on the fingertip vibrotactile perception threshold (VPT) of industrial vibrating tool operators (IVTOs) is not well known. The purpose of this study was to investigate the associations between anthropometric factors and fingertip VPT. METHODS: We included for analysis two groups of IVTOs: Group 1, predominantly forestry workers (n=325); and Group 2, public servants (n=68). These IVTOs regularly received medical examinations to evaluate hand-arm vibration syndrome. In the examination, measurements of their fingertip VPTs were taken before and after cold-water immersion (10 minutes at 10°C for Group 1 and 5 minutes at 12°C for Group 2). Their body height and weight were measured to calculate the body mass index (BMI). The presence of peripheral neuropathy (PN) was defined as a VPT ≥17.5 dB at 10 minutes after finishing immersion. RESULTS: In the univariate analysis, weight and BMI were associated with a decreased risk of PN in both Groups 1 and 2. The negative association between BMI and PN remained in the multivariate analysis consistently, but weight reached marginal significance only in the multivariate analysis without BMI in both the groups. Age was positively associated with PN consistently in Group 1 but not in Group 2. Years exposed to vibration showed positive association with PN only in the univariate analysis of Group 1. CONCLUSIONS: Among IVTOs, factors reflecting body heat production, such as weight and BMI, were associated with a decreased risk of VPT-defined PN, regardless of the task engaged. Japan Society for Occupational Health 2016-03-24 2016-03-20 /pmc/articles/PMC5356960/ /pubmed/27010084 Text en https://creativecommons.org/licenses/by-nc-sa/4.0/ Journal of Occupational Health is an Open Access article distributed under the Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License. To view the details of this license, please visit (https://creativecommons.org/licenses/by-nc-sa/4.0/).
spellingShingle Original
Takemura, Shigeki
Yoshimasu, Kouichi
Tsuno, Kanami
Fukumoto, Jin
Kuroda, Mototsugu
Miyashita, Kazuhisa
Associations between anthropometric factors and peripheral neuropathy defined by vibrotactile perception threshold among industrial vibrating tool operators in Japan
title Associations between anthropometric factors and peripheral neuropathy defined by vibrotactile perception threshold among industrial vibrating tool operators in Japan
title_full Associations between anthropometric factors and peripheral neuropathy defined by vibrotactile perception threshold among industrial vibrating tool operators in Japan
title_fullStr Associations between anthropometric factors and peripheral neuropathy defined by vibrotactile perception threshold among industrial vibrating tool operators in Japan
title_full_unstemmed Associations between anthropometric factors and peripheral neuropathy defined by vibrotactile perception threshold among industrial vibrating tool operators in Japan
title_short Associations between anthropometric factors and peripheral neuropathy defined by vibrotactile perception threshold among industrial vibrating tool operators in Japan
title_sort associations between anthropometric factors and peripheral neuropathy defined by vibrotactile perception threshold among industrial vibrating tool operators in japan
topic Original
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5356960/
https://www.ncbi.nlm.nih.gov/pubmed/27010084
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