Heart failure and preserved left ventricular function: long term clinical outcome.
<h4>Background</h4>Patients with heart failure (HF) have a poor prognosis. The proportion of patients with HF and preserved left ventricular function (LVF) is increasing. Long term prognosis of HF with preserved LVF may not be so benign.<h4>Objectives</h4>To evaluate the long...
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| Autores principales: | , , , |
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| Formato: | article |
| Lenguaje: | EN |
| Publicado: |
Public Library of Science (PLoS)
2012
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| Materias: | |
| Acceso en línea: | https://doaj.org/article/43a45f87aad043818c62dba0794b7c0d |
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| Sumario: | <h4>Background</h4>Patients with heart failure (HF) have a poor prognosis. The proportion of patients with HF and preserved left ventricular function (LVF) is increasing. Long term prognosis of HF with preserved LVF may not be so benign.<h4>Objectives</h4>To evaluate the long term clinical outcome of patients with HF and preserved LVF and predictors of outcome.<h4>Methods</h4>We prospectively evaluated 309 patients hospitalized with a definite clinical diagnosis of HF. Patients were followed for a mean of 6.5 years for clinical outcome.<h4>Results</h4>More than a third (36%) of the patients had preserved systolic LVF based on echocardiography. The long term survival rate in this group was poor and not significantly different from patients with reduced LVF (28% vs 23% respectively, P=0.2). The adjusted survival rate by Cox regression analysis was also not significantly different (hazard ratio 1.16, 95% confidence interval 0.87-1.55, P=0.31). The event free survival from death or heart failure re-hospitalization was also low in both groups and not significantly different between patients with preserved vs. reduced LVF (12% vs. 10% respectively, P=0.2). Predictors of mortality in patients with preserved LVF were age, functional capacity and serum urea levels.<h4>Conclusions</h4>The long term clinical outcome of patients with heart failure and preserved LVF is poor and not significantly different from patients with reduced LVF. |
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