The effect of empagliflozin on right ventricular function in heart failure patients with reduced ejection fraction: analysis from the randomized empire hf clinical trial
Abstract
Reverse remodeling of the left ventricle (LV) has been proposed as a key mechanism to the cardio-protective effects of sodium-glucose-transporter-2 (SGLT2) inhibitors in patients with heart failure and reduced ejection fraction (HFrEF). Deterioration of the right ventricular (RV) function is associated with poor outcome, whereas improvement in RV dysfunction has been correlated with improved outcomes in HFrEF patients. The impact of SGLT2 inhibitors on the RV remains unclear.
The aim of this post-hoc study of the Empire HF trial was to investigate the effect of Empagliflozin on RV function assessed by echocardiography in patients with HFrEF after 12 weeks of treatment compared to placebo.
The Empire HF trial was a double-blind, placebo-controlled, randomized clinical trial, in which 190 stable HFrEF patients with a LV ejection fraction (LVEF) ≤40% were randomized (1:1) to receive Empagliflozin 10 mg once daily or matching placebo for 12 weeks. Echocardiographic images were analysed blinded to treatment allocation. Exploratory outcomes were changes in right ventricular function. Statistical analyses were performed using mixed-effects linear models adjusted for age, sex and baseline variables.
Baseline characteristics were well balanced between the two groups; mean age 64 (SD±11) years; males: 85%; mean LVEF 29 (SD±8) %, RV free wall strain (RVFWS): -16.7 (SD±6)%, NYHA-functional class II: 78% and ischemic HFrEF etiology: 51%. No significant between-group differences were…
How strong is the evidence?
Evidence Hub reads this as a randomized trial, done in people. Its evidence level is 2 of 5 (High · randomized trial). Randomized trials of a reasonable size are the strongest single-study design. Reported size: 190 participants or records.
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