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Review
. 2021 Jul 12;37(4):467-486.
doi: 10.1515/reveh-2021-0004. Print 2022 Dec 16.

Arsenic exposure promotes the emergence of cardiovascular diseases

Christiana Karachaliou  1 , Argyro Sgourou  2 , Stavros Kakkos  3 , Ioannis Kalavrouziotis  1
Affiliations
Free article
Review

Arsenic exposure promotes the emergence of cardiovascular diseases

Christiana Karachaliou et al. Rev Environ Health. .
Free article

Abstract

A large number of studies conducted in the past decade 2010-2020 refer to the impact of arsenic (As) exposure on cardiovascular risk factors. The arsenic effect on humans is complex and mainly depends on the varying individual susceptibilities, its numerous toxic expressions and the variation in arsenic metabolism between individuals. In this review we present relevant data from studies which document the association of arsenic exposure with various biomarkers, the effect of several genome polymorphisms on arsenic methylation and the underling molecular mechanisms influencing the cardiovascular pathology. The corresponding results provide strong evidence that high and moderate-high As intake induce oxidative stress, inflammation and vessel endothelial dysfunction that are associated with increased risk for cardiovascular diseases (CVDs) and in particular hypertension, myocardial infarction, carotid intima-media thickness and stroke, ventricular arrhythmias and peripheral arterial disease. In addition, As exposure during pregnancy implies risks for blood pressure abnormalities among infants and increased mortality rates from acute myocardial infarction during early adulthood. Low water As concentrations are associated with increased systolic, diastolic and pulse pressure, coronary heart disease and incident stroke. For very low As concentrations the relevant studies are few. They predict a risk for myocardial infarction, stroke and ischemic stroke and incident CVD, but they are not in agreement regarding the risk magnitude.

Keywords: arsenic exposure; cardiovascular disease; endothelial dysfunction; hypertension; peripheral arterial disease; prenatal exposure.

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