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Prognostic significance of anemia in patients with chronic systolic heart failure secondary to Chagas' cardiomyopathy.
MedLine Citation:
PMID:  21906579     Owner:  NLM     Status:  Publisher    
The purpose of this study was to evaluate the prognostic significance of anemia on outcome of patients with chronic systolic heart failure secondary to Chagas' cardiomyopathy, as no previous study has previously addressed this question. One-hundred-eight-six patients followed for chronic systolic heart failure secondary to Chagas' cardiomyopathy at our Institution from January 2000 to December 2008 were studied. Forty-nine (26%) patients were found to have anemia; 37 (20%) were men and 12 (6%) were women. Mean hemoglobin level was 14.1±1.2g/L in patients with no anemia and 11.5±1.2g/L in patients with anemia. On a Cox proportional hazards multivariate analysis, anemia was a predictor of all-cause mortality neither in the univariate nor in the multivariate analysis. Mean serum sodium (Hazard ratio=0.92; Beta-coefficient=-0.09; 95% confidence interval 0.89-0.96; p value<0.005), and Beta-Blocker therapy (Hazard ratio=0.40; 95% confidence interval 0.26-0.61; p value<0.005) were retained as independent predictors of mortality for patients with Chagas' cardiomyopathy with chronic heart failure. Probability of survival for patients with anemia, however, was significantly lower in patients with anemia in comparison to patients with no anemia, mainly in patients with advanced heart failure. Anemia is not an independent predictor of all-cause mortality in patients with Chagas' cardiomyopathy with chronic systolic heart failure. Probability of survival is poorer in patients with anemia than in those without.
Carlos E Miguel; Talita B Bortoluzzi; Ana Paula Otaviano; Augusto Cardinalli-Neto; Bianca Faria da Rocha; Samira J Ferrari; Reinaldo B Bestetti
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-8-27
Journal Detail:
Title:  Acta tropica     Volume:  -     ISSN:  1873-6254     ISO Abbreviation:  -     Publication Date:  2011 Aug 
Date Detail:
Created Date:  2011-9-12     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0370374     Medline TA:  Acta Trop     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2011. Published by Elsevier B.V.
Department of Cardiology and Cardiovascular Surgery, Hospital de Base, São José do Rio Preto, Brazil.
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