Higher doses of loop diuretics limit uptitration of angiotensin-converting enzyme inhibitors in patients with heart failure and reduced ejection fraction

ter Maaten, J. M. et al. (2020) Higher doses of loop diuretics limit uptitration of angiotensin-converting enzyme inhibitors in patients with heart failure and reduced ejection fraction. Clinical Research in Cardiology, 109, pp. 1048-1059. (doi: 10.1007/s00392-020-01598-w) (PMID:32002631) (PMCID:PMC7375987)

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Abstract

Background: Loop diuretics are frequently prescribed to patients with heart failure and reduced ejection fraction (HFrEF) for the treatment of congestion; however, they might hamper uptitration of inhibitors of the renin–angiotensin system. Methods: Loop diuretic dose at baseline was recorded in 2338 patients with HFrEF enrolled in BIOSTAT-CHF, an international study of HF patients on loop diuretic therapy who were eligible for uptitration of angiotensin-converting enzyme inhibitors (ACEi)/mineralocorticoid receptor antagonists (MRA). The association between loop diuretic dose and uptitration of ACEi/MRA to percentage of target dose was adjusted for a previously published model for likelihood of uptitration and a propensity score. Results: Baseline median loop diuretic dose was 40 [40–100] mg of furosemide or equivalent. Higher doses of loop diuretics were associated with higher NYHA class and higher levels of NT-proBNP, more severe signs and symptoms of congestion, more frequent MRA use, and lower doses of ACEi reached at 3 and 9 months (all P < 0.01). After propensity adjustment, higher doses of loop diuretics remained significantly associated with poorer uptitration of ACEi (Beta per log doubling of loop diuretic dose: − 1.66, P = 0.021), but not with uptitration of MRAs (P = 0.758). Higher doses of loop diuretics were independently associated with an increased risk of all-cause mortality or HF hospitalization [HR per doubling of loop diuretic dose: 1.06 (1.01–1.12), P = 0.021]. Conclusions: Higher doses of loop diuretics limited uptitration of ACEi in patients with HFrEF and were associated with a higher risk of death and/or HF hospitalization, independent of their lower likelihood of uptitration and higher baseline risk.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Cleland, Professor John
Authors: ter Maaten, J. M., Martens, P., Damman, K., Dickstein, K., Ponikowski, P., Lang, C. C., Ng, L. L., Anker, S. D., Samani, N. J., Filippatos, G., Cleland, J. G., Zannad, F., Hillege, H. L., van Veldhuisen, D. J., Metra, M., Voors, A. A., and Mullens, W.
College/School:College of Medical Veterinary and Life Sciences > Institute of Health and Wellbeing > Robertson Centre
Journal Name:Clinical Research in Cardiology
Publisher:Springer
ISSN:1861-0684
ISSN (Online):1861-0692
Published Online:30 January 2020
Copyright Holders:Copyright © The Author(s) 2020
First Published:First published in Clinical Research in Cardiology 109:1048-1059
Publisher Policy:Reproduced under a Creative Commons license

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