ArticleCureus2025
A Correlation Between Left Ventricular Systolic Dysfunction, Identified on Global Longitudinal Strain, and Inducible Ischemia on 2D Stress Echocardiography in Type 2 Diabetes With Preserved Ejection Fraction.
Article in Cureus, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundThe relationship between glycemic control and cardiovascular outcomes is significant. Subclinical systolic impairment could be the first indicator of diabetic cardiomyopathy, even before detectable changes in ejection fraction.
aimTo determine the prevalence of left ventricular (LV) systolic dysfunction by global longitudinal strain (GLS) in patients with asymptomatic type 2 diabetes mellitus (T2DM) patients with preserved ejection fraction and correlate GLS with stress echocardiography positivity rates in these patients. Methods
resultsThe LV systolic dysfunction, defined by reduced GLS, was observed in 37.7% of patients. Patients with reduced GLS were older (64.42±11.01 vs. 55.09±12.20 years, p<0.001), had higher HbA1c levels (8.6±0.99% vs. 7.05±1.05%, p<0.001), and longer diabetes duration (10.43±5.59 vs. 6.32±5.90 years, p<0.001). Stress echocardiography positivity was significantly higher in the reduced GLS group compared to the normal GLS group (17.9% vs 4.3%, p=0.006). Patients with positive stress echocardiography results showed significantly lower average GLS compared to those with negative results (16.16±3.96% vs 18.69±3.45%, p=0.04).
conclusionsIn asymptomatic T2DM patients with preserved LVEF, reduced GLS is associated with a higher rate of positive stress echocardiography results. The LV systolic dysfunction, indicated by reduced GLS, is common in diabetic patients and associated with higher HbA1c and longer diabetes duration.
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