Structural and functional consequences of left ventricular hypertrophy regression.

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Left ventricular hypertrophy (LVH) is a thickening of the heart muscle walls that occurs in a variety of cardiovascular diseases, including high blood pressure, coronary artery disease, cardiac valve disorders and heart dilatation. The presence of LVH increases the risk of developing heart attacks, heart failure and death. Treatment of these disorders is a major component of our escalating health-care costs. Consequently, reversal of LVH may have significant benefits to individual patients and society in general. We propose to develop a mouse model of an inherited form of LVH that is caused by gene mutations in heart muscle proteins. This model will enable us to study in detail the disease processes that cause LVH and the effects of reversing LVH. This information will be invaluable for determining the best ways of treating patients with LVH.