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Evaluation of Early Neurologic Abnormalities on the Workers Exposed to Acrylamide
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Seong Soon Kim, Hae Kwan Cheong, Yong Wook Kwon
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Korean Journal of Occupational and Environmental Medicine 2000;12(3):367-383. Published online September 30, 2000
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DOI: https://doi.org/10.35371/kjoem.2000.12.3.367
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 Abstract
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- OBJECTIVES
Acrylamide is a neurotoxin inducing central-peripheral distal axonopathy. The authors evaluated several neurologic tests to screen the early effect of occupational acrylamide exposure.
METHODS
Fifty-two males working either in the production of acrylamide monomer or in the handling of acrylamide in Ulsan, Korea, were selected and subcategorized into the high-exposure group (n=10, mean age of 30. 4 years) and the low-exposure group (n=42, mean age of 28.9 years). Twenty-three males (mean age 29.4 years) from medical professionals and students were chosen as a non-exposed reference group. Symptom questionnaire, neurologic examination, electrodiagnostic test, vibrotactile threshold test, and Lanthony desaturated 15 panel test (LD-15D) were done.
RESULTS
The high-exposure group showed more number of specific symptoms on questionnaire and more abnormal two point discrimination test.
High-exposure group showed a significant difference in the median motor conduction velocity, peroneal nerve motor latency, sensory amplitude of median nerve action potential, and sensory latency of sural nerve. The vibrotactile threshold of the high-exposure group was significantly higher in both hands and feet than that of the low-exposure group and the reference group. Average color confusion index on the LD-15D was significantly higher in the high-exposure group (median 22.7, range 0-135.7) than in the reference group (median 2.4, range 0-33.2).
CONCLUSIONS
The symptom questionnaire, vibrotactile threshold test, and color discrimination test are sensitive in detection of the early acrylamide-induced neuropathy, and the combination of these tests would further facilitate the effectiveness of the screening.
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Citations
Citations to this article as recorded by  - Usefulness of Color Vision Test for Early Detection of Neurological Damages by Neurotoxic Substances
Eun-Hee Lee, Kyungho Choi, Hong Jae Chae, Domyung Paek
Journal of Preventive Medicine and Public Health.2008; 41(6): 397. CrossRef
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