• Anastasia Adamou, David Dimitris Chlorogiannis, Ioannis G Kyriakoulis, Iliana Stamatiou, Despoina Koukousaki, Ioannis Kardoutsos, Dimitrios Sagris, Wolfram Doehner, and George Ntaios.
• Department of Internal Medicine, Faculty of Medicine, School of Health Sciences, University of Thessaly, 41110, Larissa, Thessaly, Greece.
• Intern Emerg Med. 2024 Mar 1; 19 (2): 565573565-573.

AbstractSodium-glucose cotransporter-2 (SGLT2) inhibitors improve outcomes in patients with heart failure, with or without diabetes. We sought to assess whether there is an interaction of these effects with body mass index (BMI). A systematic review of the MEDLINE and Scopus databases (last search: November 15th, 2022) was performed according to the PRISMA statement. Studies eligible for this review were randomized control trials (RCTs) with patients with chronic heart failure with either preserved or reduced ejection fraction randomly assigned to SGLT2 inhibitors or placebo. Data were extracted independently by two reviewers. BMI was classified according to the WHO classification into under/normal weight (BMI: < 25 kg/m2), overweight (BMI: 25-29.9 kg/m2), obesity class I (BMI: 30-34.9 kg/m2), and obesity classes II/III (BMI: ≥ 35 kg/m2). All analyses were performed using RevMan 5.4. Among 1461 studies identified in the literature search, 3 were eligible and included in the meta-analysis. Among 14,737 patients (32.2% were women), 7,367 were randomized to an SGLT2 inhibitor (dapagliflozin or empagliflozin) and 7,370 to placebo. There were significantly fewer hospitalizations for HF (OR: 0.70, 95%CI: 0.64-0.76), cardiovascular deaths (OR:0.86, 95%CI: 0.77-0.97) and all-cause deaths (OR:0.90, 95%CI: 0.82-0.98) in the SGLT2 inhibitors group compared to the placebo group, without any interaction with BMI group (test for subgroup differences: x2 = 1.79, p = 0.62; x2 = 0.27, p = 0.97; x2 = 0.39, p = 0.94, respectively). There is no interaction between the efficacy of SGLT2 inhibitors and BMI in patients with HF with either preserved or reduced ejection fraction. SGLT2 inhibitors are associated with improved outcomes regardless of the BMI.Trial registration: PROSPERO ID: CRD42022383643.© 2024. The Author(s).

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