Fasting Insulin and Left Ventricular Mass in Hypertensives and Normotensive Controls

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Abstract
The mechanism by which increased left ventricular (LV) mass leads to increased coronary heart disease morbidity and mortality is unknown. We evaluated the relation between fasting insulin and echocardiographic LV mass in hypertensives off medication and normotensive controls, controlling the analyses for blood pressure (BP) and body mass index (BMI). Fasting insulin (p = 0.0217) was the most significant predictor of LV mass in hypertensives, while BMI (p = 0.0265) and diastolic BP (p = 0.0159) were the only significant predictors of LV mass in controls. The relation between fasting insulin and LV mass was not confounded by obesity in hypertensives, but obesity and fasting insulin may interact to predict LV mass.

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