The molecular epidemiological study on dioxin exposure and prevalence of hypertrophic cardiomyopathy in Vietnam

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This study is a series of epidemiological studies on dioxin exposure and human health effects in Vietnam. The aim of this study is to make clear the prevalence of hypertrophic cardiomyopathy and examine mutations in its genes. Subjects consists of 500 individual men aged over 40 years old in a herbicide contaminated area and a control area, respectively. The first screening was conducted using electric cardiogram. As results, 7 men were suspected as cardiomegaly. Five men among them were examined using ultrasonic equipment. However, no one was found as hypertrophic cardiomyopathy. It would be suggested that the prevalence of hypertrophic cardiomyopathy is not so frequent