Active clinical trials for "Heart Diseases"

To conduct a baseline survey on cardiovascular, respiratory, and other major systemic disease and risk factors in members of the Vietnam Era Twin Registry.

To continue a longitudinal study of blood pressure and blood pressure correlates in a population of 1,140 young adults, first seen in 1973 as adolescents, aged 14-19 years.

To determine the role of insulin resistance in peripheral vascular dynamics, sodium sensitivity, and blood pressure regulation in a young representative Black population and in a group of young Blacks at high risk for hypertension.

To determine the role of the prorenin-renin-angiotensin-aldosterone system (RAAS) in normal and hypertensive pregnancy.

To develop a comprehensive protocol for assessing cardiovascular reactivity to stressors, for use in epidemiological and clinical investigations of cardiovascular diseases in healthy populations.

To identify behavioral factors underlying the development of cardiovascular risk in young adults.

To map the genetic defect responsible for familial hypertrophic cardiomyopathy.

To determine the prevalence and longitudinal course of sleep apnea among men and women and to examine the associations of apnea, oxygen desaturation, snoring, high blood pressure, and other biomedical correlates.

To coordinate an international study on the relationships between population mean sodium and potassium intake and blood pressure.

To conduct a surveillance study of congestive heart failure (CHF).