Current Atherosclerosis Reports

, Volume 14, Issue 6, pp 542–555

Arsenic Exposure and Cardiovascular Disease:An Updated Systematic Review

Nutrition (BV Howard, Section Editor)

Abstract

In epidemiologic studies, high-chronic arsenic exposure has been associated with cardiovascular disease, despite methodological limitations. At low-moderate arsenic levels, the evidence was inconclusive. Here, we update a previous systematic review (Am J Epidemiol 2005;162:1037–49) examining the association between arsenic exposure and cardiovascular disease. Eighteen studies published since 2005 were combined with 13 studies from the previous review. We calculated pooled relative risks by comparing the highest versus the lowest exposure category across studies. For high exposure (arsenic in drinking water > 50 μg/L), the pooled relative risks (95 % confidence interval) for cardiovascular disease, coronary heart disease, stroke, and peripheral arterial disease were 1.32 (95 % CI:1.05–1.67), 1.89 (95 % CI:1.33–2.69), 1.08 (95 % CI:0.98–1.19), and 2.17 (95 % CI:1.47–3.20), respectively. At low-moderate arsenic levels, the evidence was inconclusive. Our review strengthens the evidence for a causal association between high-chronic arsenic exposure and clinical cardiovascular endpoints. Additional high quality studies are needed at low-moderate arsenic levels.

Keywords

Arsenic Cardiovascular disease Meta-analysis Systematic review 

Abbreviations

CI

Confidence Interval

CHD

Coronary Heart Disease

CVD

Cardiovascular Disease

PAD

Peripheral Arterial Disease

Supplementary material

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Copyright information

© Springer Science+Business Media, LLC 2012

Authors and Affiliations

  • Katherine Moon
    • 1
  • Eliseo Guallar
    • 3
    • 4
    • 5
    • 6
  • Ana Navas-Acien
    • 2
    • 4
    • 7
  1. 1.Department of Environmental Health SciencesJohns Hopkins Bloomberg School of Public HealthBaltimoreUSA
  2. 2.Department of Environmental Health SciencesJohns Hopkins Bloomberg School of Public HealthBaltimoreUSA
  3. 3.Department of EpidemiologyJohns Hopkins Bloomberg School of Public HealthBaltimoreUSA
  4. 4.Department of Epidemiology and Welch Center for Prevention, Epidemiology and Clinical ResearchJohns Hopkins University Bloomberg School of Public HealthBaltimoreUSA
  5. 5.Department of Cardiovascular Epidemiology and Population GeneticsCentro Nacional de Investigaciones Cardiovasculares (CNIC)MadridSpain
  6. 6.Department of MedicineJohns Hopkins Medical InstitutionsBaltimoreUSA
  7. 7.Department of OncologyJohns Hopkins Medical SchoolBaltimoreUSA

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