Lung function decrement with arsenic exposure to drinking groundwater along River Indus: a comparative cross-sectional study.

Environmental Geochemistry and Health
Asaad Ahmed NafeesFujio Kayama

Abstract

This study was designed to determine the association between chronic arsenic exposure through drinking groundwater and decrement in lung function, particularly among individuals who do not have signs of arsenic lesions, among an adult population. This was a comparative cross-sectional study conducted during the months of January to March 2009. One hundred participants ≥15 years of age in each group, i.e. exposed (≥100 μg/l) and unexposed (≤10 μg/l) to arsenic, determined by testing drinking water samples (using portable kits), were compared for effects on lung function using spirometry. A structured and validated questionnaire was administered. Examination for arsenic skin lesions was also done. There was a decline in the mean adjusted FEV1 of 154.3 ml (95% CI: -324.7, 16.0; p = 0.076), in mean adjusted FVC of 221.9 ml (95% CI: -419.5, -24.3; p = 0.028), and in FEV1/FVC ratio of 2.0 (95% CI: -25.3, 29.4; p = 0.884) among participants who were exposed to arsenic compared to those unexposed. A separate model comprising a total of 160 participants, 60 exposed to arsenic concentrations ≥250 μg/l and 100 unexposed at arsenic concentrations of ≤10 μg/l, showed a decrement in mean adjusted FEV1 of 226.4 ml (95% CI: -430.4, -22.4; p = ...Continue Reading

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Citations

Jul 16, 2013·American Journal of Respiratory and Critical Care Medicine·Faruque ParvezHabibul Ahsan
Mar 26, 2016·Environmental Geochemistry and Health·Unaib RabbaniZafar Fatmi
Jul 10, 2013·Respiratory Medicine·James Chung-Man HoMary Sau-Man Ip
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Jan 14, 2020·Ecotoxicology and Environmental Safety·Wenjuan WangAihua Zhang

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