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      Prevalencia de hipertensión arterial y factores de riesgo cardiovascular en una población rural expuesta al arsénico en Argentina Translated title: Prevalence of arterial hypertension and cardiovascular risk factors in a rural population exposed to arsenic in Argentina

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          Abstract

          RESUMEN Objetivos. Determinar la prevalencia de hipertensión arterial y factores de riesgo cardiovascular (FRC) en una población rural expuesta al arsénico (As) en el agua de consumo en la provincia de Tucumán, Argentina. Materiales y métodos. Participaron 352 habitantes adultos. Se midió el consumo de arsénico en agua de bebida y se evaluó la presión arterial, el tabaquismo, el consumo de alcohol de riesgo y perjudicial, la ingesta de sal, la actividad física, el índice de masa corporal, la glucemia y la dislipidemia. El riesgo cardiovascular fue calculado usando el score de Framingham. Resultados. Se dividió la población en Grupo Expuesto (GE) n=90 y Grupo No Expuesto (GNE) n=262. La prevalencia de hipertensión fue 48,9 y 51,1%; tabaquismo 31,1 y 39,7%; consumo de alcohol de riesgo 22,2 y 17,9%; perjudicial 36,6 y 36,6%; ingesta de sal 100 y 100%; actividad física 16,7 y 18,7%; sobrepeso 43,3 y 43,9%; obesidad 25,5 y 25,6%; diabetes 24,4 y 32,8%; y dislipidemia 58,9 y 66,4%. El score de riesgo bajo, moderado o alto fue 50; 21,1; y 28,9% para GE, y 54,6; 19,1 y 26,3% para GNE, respectivamente. Conclusiones. La exposición al As no afecta la prevalencia de FRC. Se identifica una población rural en situación de vulnerabilidad con elevados FRC. La Encuesta Nacional de Factores de Riesgo no refleja lo que ocurre en zonas rurales. La escala de Framingham concuerda con los FRC encontrados. Se requiere la implementación de políticas de promoción de salud que permita mejorar el pronóstico de sufrir eventos cardiovasculares a corto y mediano plazo.

          Translated abstract

          ABSTRACT Objective. To determine the prevalence of arterial hypertension and cardiovascular risk factors (CRF) in a rural population exposed to arsenic (As) in drinking water in the province of Tucumán, Argentina. Materials and methods. A total of 352 adult inhabitants participated. Consumption of arsenic in drinking water was measured. Blood pressure, smoking, risk and harmful alcohol consumption, salt intake, physical activity, body mass index, glycemia and dyslipidemia were evaluated. Cardiovascular risk was calculated using the Framingham score. Results. The population was divided into Exposed Group (EG) n=90 and Non-Exposed Group (NEG) n=262. The prevalence of hypertension was 48.9 and 51.1% in each group, respectively; for smoking it was 31.1 and 39.7%; for risky alcohol consumption, 22.2 and 17.9%; for harmful alcohol consumption, 36.6 and 36.6%; for salt intake, 100 and 100%; for physical activity, 16.7 and 18.7%; for being overweight, 43.3 and 43.9%; for obesity, 25.5 and 25.6%; for diabetes, 24.4 and 32.8%; and for dyslipidemia, 58.9 and 66.4%. The scores for low, moderate, or high-risk were 50; 21.1; and 28.9% in the EG, and 54.6; 19.1 and 26.3% in the NEG, respectively. Conclusions. Exposure to As does not affect the prevalence of CRFs. We identified a rural population in a vulnerable condition with high CRFs. The National Risk Factor Survey does not reflect what happens in rural areas. The Framingham scale is consistent with the found CRFs. The implementation of health promotion policies is required to improve the prognosis of suffering cardiovascular events in the short and medium term.

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          Comparative quantification of alcohol exposure as risk factor for global burden of disease.

          Alcohol has been identified as one of the most important risk factors in the burden experienced as a result of disease. The objective of the present contribution is to establish a framework to comparatively quantify alcohol exposure as it is relevant for burden of disease. Different key indicators are combined to derive this quantification. First, adult per capita consumption, composed of recorded and unrecorded consumption, yields the best overall estimate of alcohol exposure for a country or region. Second, survey information is used to allocate the per capita consumption into sex and age groups. Third, an index for detrimental patterns of drinking is used to determine the additional impact on injury and cardiovascular burden. The methodology is applied to estimate global alcohol exposure for the year 2002. Finally, assumptions and potential problems of the approach are discussed. Copyright (c) 2007 John Wiley & Sons, Ltd.
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            A review of the epidemiologic literature on the role of environmental arsenic exposure and cardiovascular diseases.

            Cardiovascular disease is the leading cause of mortality worldwide. Arsenic is a ubiquitous metalloid in the crust of the earth. Chronic arsenic poisoning is becoming an emerging epidemic in Asia. Epidemiological studies have shown that chronic arsenic poisoning through ingestion of arsenic-contaminated water is associated with various cardiovascular diseases in dose-response relationships. These cardiovascular disorders include carotid atherosclerosis detected by ultrasonography, impaired microcirculation, prolonged QT interval and increased QT dispersion in electrocardiography, and clinical outcomes such as hypertension, blackfoot disease (a unique peripheral vascular disease endemic in southwestern Taiwan), coronary artery disease and cerebral infarction. Chronic arsenic poisoning is an independent risk factor for cardiovascular disease. The adverse cardiovascular effects of long-term arsenic exposure may be persistent and/or irreversible. Arsenic-induced cardiovascular diseases in human population may result from the interaction among genetic, environment and nutritional factors. The major adverse cardiovascular effect of chronic arsenic poisoning has been established qualitatively and quantitatively in the high arsenic exposure areas, but the low-dose effect of arsenic on cardiovascular diseases remains to be explored. Cardiovascular death is the major cause of mortality worldwide, and a small increased risk may imply a large quantity of excess mortality.
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              Health effects of arsenic exposure in Latin America: An overview of the past eight years of research

              Studies conducted over the past eight years in Latin America (LA) have continued to produce new knowledge regarding health impacts of arsenic (As) in drinking water. We conducted a systematic review of 92 peer-reviewed English articles published between 2011 and 2018 to expand our understanding on these health effects. Majority of the LA studies on As have been conducted in Chile and Mexico. Additional data have emerged from As-exposed populations in Argentina, Bolivia, Brazil, Colombia, Ecuador, and Uruguay. The present review has documented recent data on the biomarkers of As exposure, genetic susceptibility and genotoxicity, and risk assessment to further characterize the health effects and exposed populations. Some recent findings on the associations of As with bladder and lung cancers, reproductive outcomes, and declined cognitive performance have been consistent with what we reported in our previous systematic review article. We have found highly convincing evidence of in utero As exposure as a significant risk factor for several health outcomes, particularly for bladder cancer, even at moderate level. New data have emerged regarding the associations of As with breast and laryngeal cancers as well as type 2 diabetes. We observed early life As exposure to be associated with kidney injury, carotid intima-media thickness, and various pulmonary outcomes in children. Other childhood effects such as low birth weight, low gestational age, anemia, increased apoptosis, and decreased cognitive functions were also reported. Studies identified genetic variants of As methyltransferase that could determine susceptibility to As related health outcomes. Arsenic-induced DNA damage and alteration of gene and protein expression have also been reported. While the scope of research is still vast, the substantial work done on As exposure and its health effects in LA will help direct further large-scale studies for more comprehensive knowledge and plan appropriate mitigation strategies.
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                Author and article information

                Journal
                rins
                Revista Peruana de Medicina Experimental y Salud Publica
                Rev. perú. med. exp. salud publica
                Instituto Nacional de Salud (Lima, , Peru )
                1726-4634
                December 2021
                : 38
                : 4
                : 530-536
                Affiliations
                [2] Tucumán orgnameUniversidad Nacional de Tucumán orgdiv1Facultad de Medicina Argentina
                [1] Tucumán orgnameUniversidad Nacional de Tucumán orgdiv1Facultad de Bioquímica, Química y Farmacia Argentina
                Article
                S1726-46342021000400530 S1726-4634(21)03800400530
                10.17843/rpmesp.2021.384.9402
                35385005
                e6ae333a-2784-452e-90eb-f87be3783233

                This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

                History
                : 09 December 2021
                : 02 September 2021
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 27, Pages: 7
                Product

                SciELO Public Health

                Categories
                Artículo original

                Arsénico,Factores de Riesgo Cardiovascular,Población Rural,Argentina,Arsenic,Cardiovascular Risk Factors,Rural Population

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