Annals of Occupational and Environmental Medicine

Hyoung Joon Chun

1 Article

6 Cases of Hand Arm Vibration Syndrome in Grinding Workers Exposed to Hand-arm Vibration: Shang Hyuk Yim, Rokho Kim, Gil Seung Yang, Jung In Yang, Sang Sup Kim, Hyoung Joon Chun, Si Bog Park; Korean Journal of Occupational and Environmental Medicine 2000;12(3):421-429. Published online September 30, 2000; DOI: https://doi.org/10.35371/kjoem.2000.12.3.421

OBJECTIVES
To confirm the HAVS in workers exposed to hand-arm vibration with using the objective diagnostic methods METHODS: Several tests were used to help substantiate a clinical diagnosis of HAVS. Some other diseases were excluded by a medical interview, hematologic assessment, urinalysis, X-rays. The hand-arm vibration acceleration level of the grinder was evaluated for considering HAVS. Peripheral vascular changes were examined by a cold provocation test. An electromyography was implemented to ascertain the peripheral neural changes.
RESULTS
8 workers with symptoms in hands & fingers, exposed to hand-arm vibration were examined. Some other diseases(primary Raynauds disease, secondary Raynauds disease in not occupational origin) were excluded by a medical interview, hematologic assessment, urinalysis, X-rays. The hand-arm vibration acceleration level of the grinder was 7. 9 m/sec2. The recovery time of a skin temperature followed finger cooling was significantly prolonged in 6 workers with HAVS. The nerve conduction velocity was reduced in 6 workers with HAVS.
CONCLUSIONS
So we report 6 cases of HAVS in grinding workers exposed to hand-arm vibration diagnosed objectively by an exclusion of some other disease, handarm vibration acceleration level, cold provocation test, electromyography.

Citations

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