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  • Title: Echocardiographic evaluation of the effect of dapagliflozin on epicardial adipose tissue and left ventricular systolic function in type 2 diabetes mellitus.
    Author: Song XT, Wei YL, Rui YF, Fan L.
    Journal: J Diabetes Complications; 2023 Jul; 37(7):108509. PubMed ID: 37235925.
    Abstract:
    BACKGROUND AND AIMS: Epicardial adipose tissue (EAT) is associated with cardiovascular disease, and sodium-glucose cotransporter-2 inhibitors (SGLT-2I) have been reported to reduce the occurrence of cardiovascular events. This study was designed to investigate the effect of an SGLT-2 inhibitor (dapagliflozin) on EAT and left ventricular (LV) systolic function in type 2 diabetes mellitus (T2DM) patients during a 6-month follow-up. METHODS: Twenty-seven T2DM patients who received dapagliflozin for the first time were enrolled in this study to measure EAT thickness and evaluate LV function before and after 6 months of SGLT-2 administration. The thickness of EAT was measured as the echo-free space between the free wall of the right ventricle and the visceral layer of the pericardium at end-systole by echocardiography. LV systolic function was evaluated by LV global longitudinal strain (LV GLS) obtained through two-dimensional speckle tracking echocardiography (2D-STE) technology. RESULTS: After a 6-month follow-up, twenty-five patients completed this study. The values of EAT thickness, HbA1c, body weight, body mass index (BMI), systolic blood pressure (SBP), and diastolic blood pressure (DBP) were significantly reduced, while the LV GLS value was significantly increased. Moreover, the increase in LV GLS was independently associated with the reduction in EAT thickness, HbA1c, weight, and SBP (all p < 0.05). CONCLUSIONS: Dapagliflozin can reduce EAT thickness and improve LV systolic function in T2DM patients. 2D-STE can be used for the early evaluation of the beneficial effect of dapagliflozin on LV systolic function. The improvement in LV systolic function is independently associated with a reduction in EAT thickness.
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