Association between sodium-glucose cotransporter-2 inhibitors and incident atrial fibrillation/atrial flutter in heart failure patients with reduced ejection fraction: a meta-analysis of randomized controlled trials

Dimitrios Sfairopoulos, Tong Liu, Nan Zhang, Gary Tse, George Bazoukis, Konstantinos Letsas, Christos Goudis, Haralampos Milionis, Apostolos Vrettos, Panagiotis Korantzopoulos

Research output: Contribution to journalReview articlepeer-review

5 Citations (Scopus)

Abstract

Atrial fibrillation (AF) and atrial flutter (AFL) are associated with adverse outcomes in patients with heart failure and reduced ejection fraction (HFrEF). We investigated the effects of sodium-glucose cotransporter-2 inhibitors (SGLT2i) on the incidence of AF and/or AFL in HFrEF patients. PubMed and ClinicalTrials.gov were systematically searched until March 2022 for randomized controlled trials (RCTs) that enrolled patients with HFrEF. A total of six RCTs with 9467 patients were included (N = 4731 in the SGLT2i arms; N = 4736 in the placebo arms). Compared to placebo, SGLT2i treatment was associated with a significant reduction in the risk of AF [relative risk (RR) 0.62, 95% confidence interval CI 0.44–0.86; P = 0.005] and AF/AFL (RR 0.64, 95% CI 0.47–0.87; P = 0.004). Subgroup analysis showed that empagliflozin use resulted in a significant reduction in the risk of AF (RR 0.55, 95% CI 0.34–0.89; P = 0.01) and AF/AFL (RR 0.50, 95% CI 0.32–0.77; P = 0.002). By contrast, dapagliflozin use was not associated with a significant reduction in the risk of AF (RR 0.69, 95% CI 0.43–1.11; P = 0.12) or AF/AFL (RR 0.82, 95% CI 0.53–1.27; P = 0.38). Additionally, a “shorter” duration (< 1.5 years) of treatment with SGLT2i remained associated with a reduction in the risk of AF (< 1.5 years; RR 0.58, 95% CI 0.36–0.91; P = 0.02) and AF/AFL (< 1.5 years; RR 0.52, 95% CI 0.34–0.80; P = 0.003). In conclusion, SGLT2i therapy was associated with a significant reduction in the risk of AF and AF/AFL in patients with HFrEF. These results reinforce the value of using SGLT2i in this setting.

Original languageEnglish
Pages (from-to)925-936
Number of pages12
JournalHeart Failure Reviews
Volume28
Issue number4
DOIs
Publication statusPublished - Jul 2023
Externally publishedYes

Keywords

  • Atrial fibrillation
  • Atrial flutter
  • Heart failure
  • SGLT2 inhibitors

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