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Myocardial performance index: prediction and monitoring of remodeling and functioning of the left ventricle after first myocardial infarction

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Author(s): Ćelić Vera | Dekleva Milica | Majstorović Anka | Radivojević Nenad | Kostić Nada | Čaparević Zorica

Journal: Medicinski Pregled
ISSN 0025-8105

Volume: 63;
Issue: 9-10;
Start page: 652;
Date: 2010;
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Keywords: Ventricular Remodeling | Heart Function Tests | Myocardial Infarction | Echocardiography | Predictive Value of Tests | Ventricular Dysfunction | Left

ABSTRACT
Introduction. Dynamic changing of left ventricular geometry and contractile state after acute myocardial infarction is responsible for various aspects of left ventricular remodeling and dysfunction. A number of studies have shown that myocardial performance index allows prediction of acute myocardial infarction complications. The objective of our study was to determine the power of myocardial performance index to predict and assess the severity of left ventricular remodeling, systolic and diastolic dysfunction after acute myocardial infarction over the long term. Material and methods. Echocardiography was performed within the first week of hospitalization, after one, three and six months in 77 patients with first acute myocardial infarction. At the end of the study the patients were divided into group A and B with mild and severe left ventricular remodeling, respectively. Results. Myocardial performance index was significantly lower in group A compared to B, at the beginning (0.62 vs. 0.75; p=0.002), and at the end of study (0, 60 vs. 0, 69; p=0.004). After six months, 31% of study patients developed LV systolic dysfunction with prevalence in group B (56% vs. 19%, p=0.002). Myocardial performance index ≥ 0.70 at first week after acute myocardial infarction is a strong predictive parameter for extensive early and late left ventricular remodeling and systolic dysfunction (p
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