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Comparative Study
. 2013 Jan;55(1):59-66.
doi: 10.1097/JOM.0b013e31826bb686.

Arsenic exposure and oral cavity lesions in Bangladesh

Emdadul H Syed  1 , Stephanie Melkonian, Krishna C Poudel, Junko Yasuoka, Keiko Otsuka, Alauddin Ahmed, Tariqul Islam, Faruque Parvez, Vesna Slavkovich, Joseph H Graziano, Habibul Ahsan, Masamine Jimba
Affiliations
Comparative Study

Arsenic exposure and oral cavity lesions in Bangladesh

Emdadul H Syed et al. J Occup Environ Med. 2013 Jan.

Abstract

Objective: To evaluate the relationship between arsenic exposure and oral cavity lesions among an arsenic-exposed population in Bangladesh.

Methods: We carried out an analysis utilizing the baseline data of the Health Effects of Arsenic Exposure Longitudinal Study, which is an ongoing population-based cohort study to investigate health outcomes associated with arsenic exposure via drinking water in Araihazar, Bangladesh. We used multinomial regression models to estimate the risk of oral cavity lesions.

Results: Participants with high urinary arsenic levels (286.1 to 5000.0 μg/g) were more likely to develop arsenical lesions of the gums (multinomial odds ratio = 2.90; 95% confidence interval, 1.11 to 7.54), and tongue (multinomial odds ratio = 2.79; 95% confidence interval, 1.51 to 5.15), compared with those with urinary arsenic levels of 7.0 to 134.0 μg/g.

Conclusions: Higher level of arsenic exposure was positively associated with increased arsenical lesions of the gums and tongue.

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Conflict of interest statement

Conflicts of Interest: The authors declare they have no competing financial interests.

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