Baseline characteristics and outcomes of patients with heart failure receiving bronchodilators in the CHARM programme

Hawkins, N. M. et al. (2010) Baseline characteristics and outcomes of patients with heart failure receiving bronchodilators in the CHARM programme. European Journal of Heart Failure, 12(6), pp. 557-565. (doi:10.1093/eurjhf/hfq040)

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Publisher's URL: http://dx.doi.org/10.1093/eurjhf/hfq040

Abstract

Heart failure (HF) and chronic obstructive pulmonary disease are common partners. Bronchodilators are associated with adverse cardiovascular outcomes in patients with pulmonary disease. The outcome of patients with HF prescribed bronchodilators is poorly defined. The Candesartan in Heart failure: Assessment of Reduction in Mortality and morbidity (CHARM) programme randomized 7599 patients with symptomatic HF to receive candesartan or placebo. The relative risk conveyed by bronchodilator therapy was examined using a multivariable Cox proportional hazards model. The prevalence of bronchodilator therapy was similar in patients with reduced and preserved systolic function (respectively, 8.7 vs. 9.2%, P = 0.46). Beta-blocker utilization was markedly lower in patients receiving bronchodilators compared with those without (overall 31.9 vs. 57.6%, P < 0.0001). Bronchodilator use was associated with increased all-cause mortality [HR 1.26 (1.09-1.45), P = 0.0015], cardiovascular death [HR 1.21 (1.03-1.42), P = 0.0216], HF hospitalization [HR 1.49 (1.29-1.72), P < 0.0001], and major adverse cardiovascular events [HR 1.32 (1.17-1.76), P < 0.0001]. The adverse outcomes were consistent in patients with reduced and preserved systolic function. No significant interaction was observed between bronchodilators and beta-blockade with respect to outcomes. Bronchodilator use is a powerful independent predictor of worsening HF and increased mortality in a broad spectrum of patients with HF. Whether this relates to a toxic effect of bronchodilators, underlying pulmonary disease, or both is unclear and warrants further investigation.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Petrie, Professor Mark and McMurray, Professor John
Authors: Hawkins, N. M., Wang, D., Petrie, M. C., Pfeffer, M. A., Swedberg, K., Granger, C. B., Yusuf, S., Solomon, S. D., Ostergren, J., Michelson, E. L., Pocock, S. J., Maggioni, A. P., and McMurray, J. J. V.
College/School:College of Medical Veterinary and Life Sciences
College of Medical Veterinary and Life Sciences > Institute of Cardiovascular and Medical Sciences
Journal Name:European Journal of Heart Failure
ISSN:1388-9842

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