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Distúrbios neurológicos em trabalhadores com baixos níveis de chumbo no sangue. I: Neuropatia periférica
Other Titles: 
Neurological disturbances in workers with low levels of lead in the blood. I: Peripheral neuropathy
  • Universidade Estadual Paulista (UNESP)
  • Esc. Nac. de Saúde Pub.
  • Faculdade Cie. Farmaceuticas A.
This is a cross-sectional study with a randomized choice of individuals aiming at studying the validity of the Brazilian biological exposure limits applied to lead level in the blood (PbB) and delta-aminolevulinic acid in the urine (ALAU), which are 60 μg/dl and 10 mg/g.creat., respectively. For this purpose, twenty workers, whose PbB and ALAU values have been below these limits over the past two years, were selected at random at a battery production plant in the State of S. Paulo, Brazil. The workers were submitted to a peripheral nerve conduction study. The results were compared with those obtained for workers of a control group also chosen at random. The lead workers showed a decrease in the velocity conduction of the radial nerves. Comparing this group with a randomized control group, a significant difference was observed (p-value = 0.0067). The results suggest that the Brazilian biological exposure limits above should be rearranged.
Issue Date: 
Revista de Saude Publica, v. 30, n. 3, p. 248-255, 1996.
Time Duration: 
  • Lead poisoning, prevention
  • Occupational exposure, standard
  • Peripheral nervous system diseases, chemical induced
  • adult
  • blood
  • case control study
  • chemically induced disorder
  • clinical trial
  • controlled clinical trial
  • controlled study
  • human
  • lead poisoning
  • male
  • maximum allowable concentration
  • nerve conduction
  • occupational disease
  • pathophysiology
  • peripheral neuropathy
  • randomized controlled trial
  • Adult
  • Case-Control Studies
  • Humans
  • Lead Poisoning
  • Male
  • Maximum Allowable Concentration
  • Neural Conduction
  • Occupational Diseases
  • Peripheral Nervous System Diseases
Access Rights: 
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Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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