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Hemoglobin levels and new-onset heart failure in the community

Klip, IJ. T., Postmus, D., Voors, A. A., Brouwers, F. P. J., Gansevoort, R. T., Bakker, S. J. L., Hillege, H. L., de Boer, R. A., van der Harst, P., van Gilst, W. H., van Veldhuisen, D. J. & van der Meer, P., Jan-2015, In : American Heart Journal. 169, 1, p. 94-101.e2 10 p.

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  • Hemoglobin levels and new-onset heart failure in the community

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Background In established cardiovascular disease and heart failure (HF), low hemoglobin levels are associated with unfavorable outcome. Whether hemoglobin levels are associated with the development of new-onset HF in the population is unclear. This study sought to investigate the relationship between hemoglobin levels and development of new-onset HF in the community.

Methods In 6,744 patients from PREVEND, a prospective, community-based, cohort study, we analyzed the relationship between hemoglobin levels and the risk of new-onset HF.

Results Mean age (+/- SD) was 53 +/- 12 years, 49.8% was male, and mean hemoglobin level was 13.7 +/- 1.2 g/dL. During a median follow-up of 8.3 years (interquartile range 7.8-8.9), 217 subjects (3.2%) were newly diagnosed with HF. The association between hemoglobin levels and the risk for new-onset HF was U shaped (P <.001), remaining significant after full adjustment in a multivariable model with established cardiovascular risk factors (P = .015). Furthermore, a increased annual HF incidence was already observed in subjects with high-normal hemoglobin levels (men >16 g/dL or women >15 g/dL; P = .041), whereas on the other side of the distribution, only severe anemia (men

Conclusions The impact of hemoglobin level on the risk of new-onset HF in the community is best described as U shaped. Interestingly, higher hemoglobin levels, already within the high-reference range, are associated with an increased incidence. This in contrast to anemia, where a higher annual HF incidence was only observed for severe anemia.

Original languageEnglish
Pages (from-to)94-101.e2
Number of pages10
JournalAmerican Heart Journal
Volume169
Issue number1
Publication statusPublished - Jan-2015

    Keywords

  • FOLLOW-UP, CARDIOVASCULAR-DISEASE, GENERAL-POPULATION, ANEMIA, RISK, MORTALITY, HEMATOCRIT, PREDICTION, EPIDEMIOLOGY, METAANALYSIS

ID: 15552960