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Association between arsenic exposure from drinking water and plasma levels of cardiovascular markers.

ABSTRACT: The authors conducted a cross-sectional study to assess the relation between arsenic exposure from drinking water and plasma levels of markers of systemic inflammation and endothelial dysfunction (matrix metalloproteinase-9, myeloperoxidase, plasminogen activator inhibitor-1, soluble E-selectin, soluble intercellular adhesion molecule-1 (ICAM-1), and soluble vascular adhesion molecule-1 (VCAM-1)) using baseline data from 668 participants (age, >30 years) in the Health Effects of Arsenic Longitudinal Study in Bangladesh (2007-2008). Both well water arsenic and urinary arsenic were positively associated with plasma levels of soluble VCAM-1. For every 1-unit increase in log-transformed well water arsenic (ln ?g/L) and urinary arsenic (ln ?g/g creatinine), plasma soluble VCAM-1 was 1.02 (95% confidence interval: 1.01, 1.03) and 1.04 (95% confidence interval: 1.01, 1.07) times greater, respectively. There was a significant interaction between arsenic exposure and higher body mass index, such that the increased levels of plasminogen activator inhibitor-1 and soluble VCAM-1 associated with arsenic exposure were stronger among people with higher body mass index. The findings indicate an effect of chronic arsenic exposure from drinking water on vascular inflammation and endothelial dysfunction that could be modified by body mass index and also suggest a potential mechanism underlying the association between arsenic exposure and cardiovascular disease.

SUBMITTER: Wu F

PROVIDER: S-EPMC3372314 | biostudies-literature | 2012 Jun

REPOSITORIES: biostudies-literature

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Association between arsenic exposure from drinking water and plasma levels of cardiovascular markers.

Wu Fen F Jasmine Farzana F Kibriya Muhammad G MG Liu Mengling M Wójcik Oktawia O Parvez Faruque F Rahaman Ronald R Roy Shantanu S Paul-Brutus Rachelle R Segers Stephanie S Slavkovich Vesna V Islam Tariqul T Levy Diane D Mey Jacob L JL van Geen Alexander A Graziano Joseph H JH Ahsan Habibul H Chen Yu Y

American journal of epidemiology 20120424 12

The authors conducted a cross-sectional study to assess the relation between arsenic exposure from drinking water and plasma levels of markers of systemic inflammation and endothelial dysfunction (matrix metalloproteinase-9, myeloperoxidase, plasminogen activator inhibitor-1, soluble E-selectin, soluble intercellular adhesion molecule-1 (ICAM-1), and soluble vascular adhesion molecule-1 (VCAM-1)) using baseline data from 668 participants (age, >30 years) in the Health Effects of Arsenic Longitud ...[more]

PMID: 22534204

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Project description:ObjectiveTo evaluate the association between arsenic exposure and mortality from cardiovascular disease and to assess whether cigarette smoking influences the association.DesignProspective cohort study with arsenic exposure measured in drinking water from wells and urine.SettingGeneral population in Araihazar, Bangladesh.Participants11,746 men and women who provided urine samples in 2000 and were followed up for an average of 6.6 years.Main outcome measureDeath from cardiovascular disease.Results198 people died from diseases of circulatory system, accounting for 43% of total mortality in the population. The mortality rate for cardiovascular disease was 214.3 per 100,000 person years in people drinking water containing <12.0 µg/L arsenic, compared with 271.1 per 100,000 person years in people drinking water with ≥ 12.0 µg/L arsenic. There was a dose-response relation between exposure to arsenic in well water assessed at baseline and mortality from ischaemic heart disease and other heart disease; the hazard ratios in increasing quarters of arsenic concentration in well water (0.1-12.0, 12.1-62.0, 62.1-148.0, and 148.1-864.0 µg/L) were 1.00 (reference), 1.22 (0.65 to 2.32), 1.35 (0.71 to 2.57), and 1.92 (1.07 to 3.43) (P = 0.0019 for trend), respectively, after adjustment for potential confounders including age, sex, smoking status, educational attainment, body mass index (BMI), and changes in urinary arsenic concentration since baseline. Similar associations were observed when baseline total urinary arsenic was used as the exposure variable and for mortality from ischaemic heart disease specifically. The data indicate a significant synergistic interaction between arsenic exposure and cigarette smoking in mortality from ischaemic heart disease and other heart disease. In particular, the hazard ratio for the joint effect of a moderate level of arsenic exposure (middle third of well arsenic concentration 25.3-114.0 µg/L, mean 63.5 µg/L) and cigarette smoking on mortality from heart disease was greater than the sum of the hazard ratios associated with their individual effect (relative excess risk for interaction 1.56, 0.05 to 3.14; P = 0.010).ConclusionsExposure to arsenic in drinking water is adversely associated with mortality from heart disease, especially among smokers.

Project description:BackgroundArsenic, a common groundwater pollutant, is associated with adverse reproductive health but few studies have examined its effect on maternal health.MethodsA prospective cohort was recruited in Bangladesh from 2008-2011 (N?=?1,458). At enrollment (<16 weeks gestational age [WGA]), arsenic was measured in personal drinking water using inductively-coupled plasma mass spectrometry. Questionnaires collected health data at enrollment, at 28 WGA, and within one month of delivery. Adjusted odds ratios (aORs) and 95% confidence intervals (95% CI) for self-reported health symptoms were estimated for each arsenic quartile using logistic regression.ResultsOverall, the mean concentration of arsenic was 38 ?g/L (Standard deviation, 92.7 ?g/L). A total of 795 women reported one or more of the following symptoms during pregnancy (cold/flu/infection, nausea/vomiting, abdominal cramping, headache, vaginal bleeding, or swollen ankles). Compared to participants exposed to the lowest quartile of arsenic (?0.9 ?g/L), the aOR for reporting any symptom during pregnancy was 0.62 (95% CI?=?0.44-0.88) in the second quartile, 1.83 (95% CI?=?1.25-2.69) in the third quartile, and 2.11 (95% CI?=?1.42-3.13) in the fourth quartile where the mean arsenic concentration in each quartile was 1.5 ?g/L, 12.0 ?g/L and 144.7 ?g/L, respectively. Upon examining individual symptoms, only nausea/vomiting and abdominal cramping showed consistent associations with arsenic exposure. The odds of self-reported nausea/vomiting was 0.98 (95% CI: 0.68, 1.41), 1.52 (95% CI: 1.05, 2.18), and 1.81 (95% CI: 1.26, 2.60) in the second, third and fourth quartile of arsenic relative to the lowest quartile after adjusting for age, body mass index, second-hand tobacco smoke exposure, educational status, parity, anemia, ferritin, medication usage, type of sanitation at home, and household income. A positive trend was also observed for abdominal cramping (P for trend <0.0001). A marginal negative association was observed between arsenic quartiles and odds of self-reported cold/flu/infection (P for trend?=?0.08). No association was observed between arsenic and self-reported headache (P for trend?=?0.19).ConclusionModerate exposure to arsenic contaminated drinking water early in pregnancy was associated with increased odds of experiencing nausea/vomiting and abdominal cramping. Preventing exposure to arsenic contaminated drinking water during pregnancy could improve maternal health.

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Association between arsenic exposure from drinking water and plasma levels of cardiovascular markers.

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Association between arsenic exposure from drinking water and plasma levels of cardiovascular markers.

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