Abstract

Empagliflozin, an oral anti-diabetic drug that inhibits the sodium-dependent glucose co-transporter 2 (SGLT2), has pleiotropic effects on the myocardium. The aim of the study is to investigate the effect of empagliflozin on atrial electromechanical delay (AEMD) and the left atrial (LA) mechanical functions in patients with type 2 diabetes mellitus (DM). In total 62 patients (40.3% female, mean age 50.5 ± 8.6 years old) with type 2 DM were enrolled to the study. Participants were used a SGLT2 inhibitor (empagliflozin 10-25 mg/daily) for 6months. Patients were examined initially and after 6 months with echocardiography. LA volume was recorded, atrial conduction times were measured using tissue Doppler imaging (TDI). No significant change was observed in LA volumes (maximal, minimal, and presystolic), total emptying and passive emptying volume at the end of 6months; however, there was a significant decrease in active emptying volume (8.3 ± 2.9ml/m2 vs. 7.9 ± 2.9ml/m2 , p=0.04). The posteroanterior lateral, septal, and tricuspid conduction times significantly decreased after the empagliflozin treatment. The decrease in right inter-AEMD was statistically significant (13.25 ± 10.21 ms vs. 10.85 ± 9.14 ms, p=0.011). The changes in inter-AEMD were found to be correlated with the changes in LA active emptying volume (r=0.408). Empagliflozin may enhance the structure and electrical conductions of the atrium and may prevent DM patients from DM-2-related functional disorder and arrhythmia.

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