Butt, J. H. et al. (2022) Dapagliflozin and atrial fibrillation in heart failure with reduced ejection fraction: insights from DAPA-HF. European Journal of Heart Failure, 24(3), pp. 513-525. (doi: 10.1002/ejhf.2381) (PMID:34766424)
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Abstract
Aims: Among patients with heart failure and reduced ejection fraction (HFrEF), those with atrial fibrillation (AF) may respond differently to certain treatments than patients without AF. We investigated the efficacy and safety of dapagliflozin in patients with HFrEF with and without AF in the Dapagliflozin And Prevention of Adverse-outcomes in Heart Failure trial (DAPA-HF). We also examined the effect of dapagliflozin on new-onset AF. Methods and results: The primary outcome was the composite of an episode of worsening HF (HF hospitalization or urgent HF visit requiring intravenous therapy) or cardiovascular death. Of the 4744 patients randomized, 1910 (40.3%) had “any AF” (history of AF or AF on enrolment electrocardiogram). Compared with placebo, dapagliflozin reduced the risk of worsening HF or cardiovascular death to a similar extent in patients with and without any AF (HR 0.75 [95% CI, 0.62–0.92]) and 0.74 [95% CI, 0.62–0.88]), respectively; P for interaction = 0.88). Consistent benefits were observed for the components of the primary outcome, all-cause mortality, and improvement of Kansas City Cardiomyopathy Questionnaire total symptom score. Among patients without AF at baseline, dapagliflozin did not significantly reduce the risk of new-onset AF compared with placebo (HR 0.86 [95% CI, 0.60–1.22]). However, patients with new-onset AF had a 5 to 6-fold higher risk of adverse outcomes when compared to those without incident AF. Conclusions: Dapagliflozin, compared with placebo, reduced the risk of worsening HF events, cardiovascular death, and all-cause death, and improved symptoms, in patients with and without AF. Dapagliflozin did not reduce the risk of new-onset AF.
| Item Type: | Articles |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Butt, Mr Jawad and Docherty, Dr Kieran and Petrie, Professor Mark and McMurray, Professor John and Jhund, Professor Pardeep and Kober, Professor Lars |
| Authors: | Butt, J. H., Docherty, K. F., Jhund, P. S., De Boer, R. A., Böhm, M., Desai, A. S., Howlett, J. G., Inzucchi, S. E., Kosiborod, M. N., Martinez, F. A., Nicolau, J. C., Petrie, M. C., Ponikowski, P., Bengtsson, O., Langkilde, A. M., Schou, M., Sjöstrand, M., Solomon, S. D., Sabatine, M. S., McMurray, J. J.V., and Køber, L. |
| College/School: | College of Medical Veterinary and Life Sciences > School of Cardiovascular & Metabolic Health |
| Journal Name: | European Journal of Heart Failure |
| Publisher: | Wiley |
| ISSN: | 1388-9842 |
| ISSN (Online): | 1879-0844 |
| Published Online: | 11 November 2021 |
| Copyright Holders: | Copyright © 2021 The Authors |
| First Published: | First published in European Journal of Heart Failure 24(3): 513-525 |
| Publisher Policy: | Reproduced under a Creative Commons License |
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