Abstract
This study aims to clarify the relationship between peripheral neuropathy in hand-arm vibration syndrome and cumulative exposure index. 68 participants without symptoms were surveyed. The participants were divided into three groups based on past and current vibration exposure (VE). Comparison among groups according to past VE showed that the median and ulnar sensory nerve conduction velocities and median sensory nerve action potential (SNAP) amplitude were significantly lower in past high and low exposure groups than in the past nonexposure group. Comparison among groups according to current VE showed that the median and ulnar SNAP amplitudes were significantly lower in the current high exposure group than in the current low or nonexposure group. Vibration tool handlers have potential peripheral nerve lesions at a certain stage without subjective symptoms of the finger.
Published Version
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