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N-hexane neuropathy in screen printers.
1Department of Neurology, G.B. Pant Hospital, New Delhi 110002, India. vpuri@bol.net.in
Electromyography and Clinical Neurophysiology
|June 15, 2007
Summary
N-hexane exposure causes sensory-motor neuropathy, predominantly affecting lower limbs. Electrophysiological and nerve biopsy findings reveal axonal damage and demyelination, confirming n-hexane neuropathy
Area of Science:
- Neurology
- Toxicology
- Occupational Health
Background:
- Investigating n-hexane neuropathy in Indian screen printers.
- Assessing clinical and electrophysiological characteristics.
Observation:
- 25 screen printers with peripheral neuropathy were studied.
- Comprehensive examinations included neurological, visual, and cognitive assessments.
- Electrophysiological studies and sural nerve biopsies were performed.
Findings:
- Sensory-motor neuropathy observed in 92% of patients.
- Sensory nerves affected equally in upper and lower limbs; motor nerves more affected in lower limbs.
- Nerve conduction studies showed patchy involvement and denervation on EMG; biopsies revealed axonal loss and demyelination.
Implications:
- Electrophysiological patterns and histopathology elucidate n-hexane neuropathy pathophysiology.
- Highlights the neurotoxic effects of n-hexane in occupational settings.
- Provides insights for diagnosis and management of solvent-induced neuropathies.
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