Impact of empagliflozin on cardiac structure and function assessed by echocardiography after myocardial infarction: a post-hoc sub-analysis of the emmy trial
- PMID: 39297940
- PMCID: PMC12058928
- DOI: 10.1007/s00392-024-02523-1
Impact of empagliflozin on cardiac structure and function assessed by echocardiography after myocardial infarction: a post-hoc sub-analysis of the emmy trial
Abstract
Background: Empagliflozin administered after acute myocardial infarction proofed to improve cardiometabolic parameters and biomarkers, but the impact on cardiac function is still largely unknown. The aim of this post-hoc echocardiographic sub-analysis of the EMMY trial was to provide in-depth echocardiographic analysis on the effects of empagliflozin versus placebo on standard and novel echocardiographic structural and functional parameters after acute myocardial infarction.
Methods: In this post-hoc analysis of the EMMY trial a subset of 313 patients (157 empagliflozin vs. 156 placebo) was enrolled for post-processing analysis of echocardiographic structural and functional parameters. On top of two-dimensional and Doppler parameters, myocardial deformation analyses were performed to assess ventricular and atrial strain values.
Results: Left ventricular volumes showed significant differences in favor of empagliflozin over the course of the trial (change in left ventricular end-diastolic volume median [interquartile range] 8 [-3;19]% versus 13 [0;29]%, p = 0.048; left ventricular end-systolic volume -3 [-15;12]% versus 4 [-12;18]%, p = 0.044). This effect persisted after adjusting for baseline values, age, and sex. Left ventricular systolic and diastolic function overall improved over the course of the trial and parameters for diastolic function showed a distinct trend between groups but did not meet statistical significance in this cohort.
Conclusion: In this post-hoc analysis among patients with acute myocardial infarction, treatment with empagliflozin resulted in a significant beneficial effect on left ventricular end-diastolic and end-systolic volume, without significantly improving left ventricular or right ventricular functional parameters compared to placebo after 26 weeks.
Gov registration: NCT03087773.
Keywords: Echocardiography; Empagliflozin; Heart failure; Myocardial function; Myocardial infarction; SGLT2 inhibitors.
© 2024. The Author(s).
Conflict of interest statement
Declarations. Conflict of interest: HS is on the advisory board and speakers bureau of Boehringer Ingelheim, NovoNordisk, Sanofi-Aventis, Amgen, AstraZeneca, Bayer, Eli Lilly, Kapsch, MSD, and Daiichi Sankyo. DvL is on the advisory board and speaker’s bureau of by Boehringer Ingelheim, Novartis, Sanova, Sanofi, Orion, AstraZeneca, Bayer Recardio, Vaxxinity and Daiichi Sankyo. NS and EK report no conflict of interest related to this study. All other authors report no conflict of interest related to this study. Ethics approval and consent to participate: The EMMY trial was approved by the Ethics committee of the Medical University of Graz, Austria (EK 29–179 ex16/17, EudraCT 2016–004591-22) and registered at ClinicalTrials.gov (NCT03087773). The trial conformed to the 1964 Declaration of Helsinki and adhered to the guidelines of Good Clinical Practice (ICH GCP E6). All study participants provided written consent. Consent for publication: All authors consent for the publication of this study.
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