Development and application of a vibrotactile perception threshold database from industrial vibrating tool operators in accordance with ISO standards

• Project/Area Number: 15H05662
• Research Category: Grant-in-Aid for Young Scientists (A)
• Allocation Type: Single-year Grants
• Research Field: Hygiene and public health
• Research Institution: Wakayama Medical University
• Principal Investigator: TAKEMURA Shigeki 和歌山県立医科大学, 医学部, 助教 (70511559)
• Research Collaborator: MIYASHITA Kazuhisa ; YOSHIMASU Kouichi ; TSUNO Kanami ; MAEDA Setsuo
• Project Period (FY): 2015-04-01 – 2018-03-31
• Project Status: Completed (Fiscal Year 2018)
• Budget Amount: ¥7,020,000 (Direct Cost: ¥5,400,000、Indirect Cost: ¥1,620,000); Fiscal Year 2017: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000); Fiscal Year 2016: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000); Fiscal Year 2015: ¥3,380,000 (Direct Cost: ¥2,600,000、Indirect Cost: ¥780,000)
• Keywords: 振動障害 / 手指振動感覚閾値 / 国際標準化機構（ISO） / 健康管理 / 産業保健 / 手腕振動障害 / 末梢振動感覚閾値

Outline of Final Research Achievements

Vibration perception threshold (VPT) was measured among industrial vibrating tool operators and non-operators at a total of nine frequencies with an ISO 13091-based VPT meter. Symptomatic subjects had higher VPTs than asymptomatic subjects. Industrial vibrating tool operators had higher VPTs than non-operators. This difference became prominent in the cold-water immersion test. Cut-off values for peripheral neuropathy were calculated from VPTs measured. These findings showed the usefulness of the ISO 13091-based VPT meter.

Academic Significance and Societal Importance of the Research Achievements

振動工具取扱作業者に生じる職業病である振動障害の症状の一つに、末梢神経障害がある。従来型の振動感覚計で生じていた測定上の問題を克服した、国際規格ISO 13091準拠の振動感覚計は、精密な測定が可能だが、診断基準が確立していない。本研究では、症状のある者とない者で手指の振動感覚閾値を測定した値を比較することで、ISO 13091準拠の振動感覚計における末梢神経障害の診断基準の材料となりうる情報をもたらすものである。

Research Products

• [Journal Article] Associations between anthropometric factors and peripheral neuropathy defined by vibrotactile perception threshold among industrial vibrating tool operators in Japan. (2016)
  • Author(s): Takemura S, Yoshimasu K, Tsuno K, Fukumoto J, Kuroda M, Miyashita K.
  • Journal Title: J Occup Health. Volume: 58 Pages: 145-154
  • NAID: 130005153231
  • Peer Reviewed / Open Access
• [Presentation] Cut-off values and their accuracy of vibrotactile perception thresholds among Japanese industrial vibrating tool operators measured based on ISO 13091 with cold-water immersion test (2018)
  • Author(s): Shigeki Takemura, Kouichi Yoshimasu, Kanami Tsuno, Setsuo Maeda, Kazuhisa Miyashita
  • Organizer: The 53rd Annual UK Conference on Human Responses to Vibration （第53回英国人体振動学会）
  • Int'l Joint Research
• [Presentation] 振動工具取扱作業者の機械受容体別にみた手指振動感覚閾値：平成27-28年度調査 (2017)
  • Author(s): 竹村重輝、吉益光一、津野香奈美、宮下和久
  • Organizer: 第90回日本産業衛生学会
• [Presentation] Vibrotactile perception thresholds among industrial vibrating tool operators measured in accordance with ISO 13091 (2017)
  • Author(s): Shigeki Takemura, Kouichi Yoshimasu, Kanami Tsuno, Setsuo Maeda, Kazuhisa Miyashita
  • Organizer: The 25th Japan Conference on Human Response to Vibration （第25回日本人体振動学会）
  • Int'l Joint Research
• [Presentation] 振動工具取扱作業者における体表面積と皮膚温・振動感覚閾値の関連 (2017)
  • Author(s): 竹村重輝、吉益光一、津野香奈美、宮下和久
  • Organizer: 第76回日本公衆衛生学会総会
• [Presentation] 冷水浸漬試験（10℃10分法）で誘発した林業従事者のレイノー現象 (2017)
  • Author(s): 竹村重輝、吉益光一、津野香奈美、福元仁、 前田節雄、宮下和久
  • Organizer: 第57回近畿産業衛生学会
• [Presentation] 体格指標と体組成が皮膚温に及ぼす影響：振動工具取扱い作業者と非作業者の比較 (2016)
  • Author(s): 竹村重輝、吉益光一、津野香奈美、宮下和久
  • Organizer: 第89回日本人体振動学会
• [Presentation] Session 2: Special Session of ISO/TC 108/SC 4 - Progress of Hand-Arm Vibration. New standard of cold provocation tests (ISO 14835-1:2016). (2016)
  • Author(s): Miyashita K, Maeda S, Takemura S.
  • Organizer: The 24th Japan Conference on Human Response to Vibration （第24回日本人体振動学会）
  • Int'l Joint Research
• [Presentation] Session 2: Special Session of ISO/TC 108/SC 4 - Progress of Hand-Arm Vibration. Vibratpri perception threshold (VPT) measurement (ISO 13091-1, -2). (2016)
  • Author(s): Takemura S.
  • Organizer: The 24th Japan Conference on Human Response to Vibration （第24回日本人体振動学会）
  • Int'l Joint Research
• [Presentation] 振動工具取扱作業者における体表面積と皮膚温・振動感覚閾値の関連 (2016)
  • Author(s): 竹村重輝、吉益光一、津野香奈美、宮下和久
  • Organizer: 第75回日本公衆衛生学会総会
• [Presentation] 振動工具取扱作業者における機械受容体別にみた手指振動感覚閾値 (2016)
  • Author(s): 竹村重輝、吉益光一、津野香奈美、宮下和久
  • Organizer: 第56回近畿産業衛生学会
• [Presentation] 体格指標と体組成が冷水浸漬試験の所見に及ぼす影響：振動工具取扱い作業者と非作業者の比較 (2015)
  • Author(s): 竹村重輝、吉益光一、津野香奈美、宮下和久
  • Organizer: 第55回近畿産業衛生学会
  • Place of Presentation: 兵庫県医師会館（神戸市）
  • Year and Date: 2015-11-14
• [Presentation] Takemura S, Yoshimasu K, Tsuno K, Miyashita K. (2015)
  • Author(s): Effects of Anthropometric Factors on the Outcome of the Cold-water Immersion Test among Vibrating Tool Operators and Non-operators.
  • Organizer: The 23rd Japan Conference on Human Response to Vibration （第23回日本人体振動学会）
  • Place of Presentation: 近畿大学工学部（広島県東広島市）
  • Year and Date: 2015-08-24
  • Int'l Joint Research
• [Presentation] 振動工具取扱作業者における手指皮膚温低値・振動感覚閾値高値併存と体組成の関連 (2015)
  • Author(s): 竹村重輝、吉益光一、津野香奈美、宮下和久
  • Organizer: 第88回日本産業衛生学会
  • Place of Presentation: グランフロント大阪（大阪市）
  • Year and Date: 2015-05-13