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  • Title: [Prognostic value of the parameters of left ventricular systolic function in patients with heart failure].
    Author: Drozdz J, Krzemińska-Pakuła M, Krecki R, Dryja P, Plewka M, Ciesielczyk M, Lipiec P, Kopff A, Kasprzak JD.
    Journal: Przegl Lek; 2004; 61(6):664-8. PubMed ID: 15724661.
    Abstract:
    UNLABELLED: There are several parameters of left ventricular (LV) systolic function assessment. The calculation of the ejection fraction (EF) strongly relates to the preload and afterload conditions. Wall motion score index (WMSI) seems to be to impractical as the semi-quantitative method. Measurement of the LV pressure rise by Doppler evaluation of mitral regurgitation is a reproducible and an accurate method for dP/dt evaluation. As a method for LV systolic function estimation it does not depend on loading conditions. We have compared the prognostic value of these three methods in patients with a broad spectrum of systolic dysfunction. The study group consisted of 75 patients evaluated by all these methods in years 1995-1999 in our echocardiographic laboratory (73%--men, mean 54 +/- 12 years). In 13 patients the coronary artery disease was diagnosed but LV function was apparently normal, in 35--regional dysfunction after myocardial infarction was described, and in 27--global dysfunction due to idiopathic dilated cardiomyopathy. The EF ranged from 11% to 70% (mean 34 +/- 14%), WMSI--from 1 to 3.6 points (mean 2.2 +/- 0.7), and dP/dt from 235 to 4000 mmHg/s (mean 1108 +/- 698 mmHg/s). The closest relationship was noted between EF and dP/dt (R2=0.50). During 38 +/- 19 months of follow-up, 40 patients died (53%). In the multivariate logistic analysis the only significant parameter related to prognosis was EF (p=0.001). WMSI (p=0.12) and dP/dt (p=0.16) were not statistically significant correlated to death. CONCLUSION: The left ventricular ejection fraction still remains the most important parameter for the evaluation of prognosis in patients with depressed systolic function. Left ventricular pressure rise describes the systolic function but does not have impact on the prognostic evaluation.
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