The index of myocardial performance and aortic regurgitation: the influence of a volume overload lesion.

Abstract

OBJECTIVE The index of myocardial performance (IMP) is a global cardiac function index with prognostic utility in patients with myocardial infarction and dilated cardiomyopathy but is preload dependent. We hypothesized that a volume overload lesion prolonging LV ejection time (LVET) may reduce IMP despite LV dysfunction (LVD). METHODS The study groups… (More)

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