Intoxications by mercury and lead with higher prevalence in children and workers in Paraná

Abstract

Background

Exogenous intoxication is an important public health problem in Brazil.

Objective

Analyze cases of metal poisoning in the population of Paraná state and estimate the prevalence rate, as well as the associated factors.

Method

A descriptive study based on intoxications that were reported from 2007 to 2015 was performed.

Results

117 cases of metal poisoning were identified and a prevalence rate of 1.2 cases per million inhabitants was estimated, with a predominance of cases on the northern health macro-regional complex. With respect to toxic agents, mercury (41%) and lead (40.2%) were confirmed as the most frequent ones. Among these cases, there was a predominance of males (57.3%), aged between 20 and 59 years old (55.6%), followed by the age group from 1 to 4 years old (28.2%). In addition, the residence and work place were highlighted as places of greatest exposure, being reported as accidental one in 70.1% of the cases, of which 41.9% required hospital cares, 91% evolved to cure and there was one death.

Conclusion

The metal poisoning has affected mainly children and workers, suggesting educational and preventive measures.

Keywords:
metals; epidemiological surveillance; temporal distribution; toxic substances