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Elemental Mercury Exposure: Correlation of Urine Mercury Indices with Ulnar Nerve Conduction Studies,

PB88247606

Publication Date	1988
Personal Author	Levine, S. P.; Cavender, G. D.; Langolf, G. D.; Albers, J. W.
Page Count	20
Abstract	An electrophysiological evaluation was made of the ulnar nerve in 18 men who were exposed to elemental mercury (7439976) vapor in the course of their jobs at a mercury cell chlorine plant. The men averaged 31 years of age, ranging from 19 to 56. Urinary mercury levels were available for three years prior to the evaluation of the ulnar nerve. Abnormal nerve conduction studies were obtained in five subjects, with three having prolonged sensory distal latency, one having prolonged motor distal letency and one having both prolonged motor and sensory distal latencies with a low normal SNAP amplitude. Over half of the mercury levels were significantly higher in this abnormal group. The highest correlation obstained was between sensory latency and the number of months urine mercury exceeded 0.50 milligrams/liter. The authors conclude that exposure to elemental mercury can affect both motor and sensory peripheral nerve conduction and that the degree of involvement can be related to time integrated urine mercury levels.
Keywords	Mercury poisoning Peripheral nervous system Occupational diseases Industrial hygiene Exposure Electrophysiology Urine Concentration(Composition) Peripheral nerve diseases Ulnar nerve Neural conductions Toxic substances Health effects Occupational safety and health Afferent neurons Motor neurons CAS-7439976
Source Agency	National Institute for Occupational Safety and Health
NTIS Subject Category	57U - Public Health & Industrial Medicine 57Y - Toxicology 41I - Job Environment 94D - Job Environment
Corporate Authors	Michigan Univ., Ann Arbor.; National Inst. for Occupational Safety and Health, Cincinnati, OH.
Supplemental Notes	Presented at International Conference on Electromyography and Electrodiagnosis (8th), Stockholm, Sweden, June 1979. Sponsored by National Inst. for Occupational Safety and Health, Cincinnati, OH.
Document Type	Technical Report
NTIS Issue Number	198824

Elemental Mercury Exposure: Correlation of Urine Mercury Indices with Ulnar Nerve Conduction Studies,

Elemental Mercury Exposure: Correlation of Urine Mercury Indices with Ulnar Nerve Conduction Studies,
PB88247606

Publication Date	1988
Personal Author	Levine, S. P.; Cavender, G. D.; Langolf, G. D.; Albers, J. W.
Page Count	20
Abstract	An electrophysiological evaluation was made of the ulnar nerve in 18 men who were exposed to elemental mercury (7439976) vapor in the course of their jobs at a mercury cell chlorine plant. The men averaged 31 years of age, ranging from 19 to 56. Urinary mercury levels were available for three years prior to the evaluation of the ulnar nerve. Abnormal nerve conduction studies were obtained in five subjects, with three having prolonged sensory distal latency, one having prolonged motor distal letency and one having both prolonged motor and sensory distal latencies with a low normal SNAP amplitude. Over half of the mercury levels were significantly higher in this abnormal group. The highest correlation obstained was between sensory latency and the number of months urine mercury exceeded 0.50 milligrams/liter. The authors conclude that exposure to elemental mercury can affect both motor and sensory peripheral nerve conduction and that the degree of involvement can be related to time integrated urine mercury levels.
Keywords	Mercury poisoning Peripheral nervous system Occupational diseases Industrial hygiene Exposure Electrophysiology Urine Concentration(Composition) Peripheral nerve diseases Ulnar nerve Neural conductions Toxic substances Health effects Occupational safety and health Afferent neurons Motor neurons CAS-7439976
Source Agency	National Institute for Occupational Safety and Health
NTIS Subject Category	57U - Public Health & Industrial Medicine 57Y - Toxicology 41I - Job Environment 94D - Job Environment
Corporate Authors	Michigan Univ., Ann Arbor.; National Inst. for Occupational Safety and Health, Cincinnati, OH.
Supplemental Notes	Presented at International Conference on Electromyography and Electrodiagnosis (8th), Stockholm, Sweden, June 1979. Sponsored by National Inst. for Occupational Safety and Health, Cincinnati, OH.
Document Type	Technical Report
NTIS Issue Number	198824