Effects of Sodium-Glucose Cotransporter-2 Inhibitors on Left Ventricular Global Longitudinal Strain in Adults with Type 2 Diabetes Mellitus: A Systematic Review
Abstract
Background: Type 2 diabetes mellitus (T2DM) is associated with subclinical myocardial dysfunction, which may occur despite preserved left ventricular ejection fraction. Left ventricular global longitudinal strain (LV GLS) is a sensitive marker of early systolic impairment and may detect subtle changes in myocardial function before conventional echocardiographic parameters become abnormal. The effect of sodium-glucose cotransporter-2 inhibitors (SGLT2i) on LV GLS in adults with T2DM remains incompletely defined. Objective: To synthesize the available evidence on the effects of SGLT2i therapy on LV GLS or LV strain in adults with T2DM. Methods: Original full-text human studies evaluating SGLT2i therapy in adults with T2DM and reporting LV GLS or LV strain were included. LV GLS was assessed primarily by speckle-tracking echocardiography, while one study used cardiac magnetic resonance feature-tracking. Reviews, conference abstracts, protocols, animal-only studies, and studies without LV strain assessment were excluded. Risk of bias was assessed using RoB 2 for randomized studies and ROBINS-I for non-randomized studies. Results: Twenty-six studies involving more than 2300 participants were included. The studies evaluated dapagliflozin, empagliflozin, ertugliflozin, canagliflozin, or mixed SGLT2i regimens across heterogeneous clinical populations, including patients with preserved ejection fraction, pre-heart failure, diabetes-related cardiomyopathy, chronic heart failure,…
How strong is the evidence?
Evidence Hub reads this as a systematic review, done in people. Its evidence level is 1 of 5 (Highest · pooled evidence). Pooled evidence from several studies sits at the top of the evidence pyramid. Reported size: 2,300 participants or records.
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