Prediction of 6 months left ventricular dilatation after myocardial infarction in relation to cardiac morbidity and mortality. Application of a new dilatation model to GISSI-3 data

European Heart Journal
P J de KamW H van Gilst

Abstract

To predict the long-term left ventricular volume index early after myocardial infarction and to investigate the relationship between long-term left ventricular dilatation risk and clinical outcome. By applying a previously developed dilatation model, we predicted the 6-month left ventricular volume index early after myocardial infarction (median 9 days) in 13,679 GISSI-3 patients, to identify patients at high risk of long-term left ventricular dilatation. The left ventricular systolic and diastolic volume indexes at 6 months were predicted with r=0.72 and r=0.68, respectively, in the subgroup of patients in whom a pre-discharge echo was available (n=7842). Patients predicted to be at risk for long-term left ventricular dilatation had an increased risk of mortality (RR 1.87, 95% CI: 1.48 to 2.36) and heart failure at 6 months (RR 2.59, 95% CI:2.04 to 3.28), but no increased risk of reinfarction at 6 months (RR 1.12, 95% CI: 0.87 to 1.45) or of angina pectoris (RR 1.07, 95% CI: 0.95 to 1.20). Our prediction of long-term left ventricular dilatation, obtained by applying our new dilatation model in over 13,000 GISSI-3 patients, correlated well with mortality and heart failure after myocardial infarction. Therefore, our new dilatati...Continue Reading

Citations

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