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Research Article: Fasting glucagon as an independent risk indicator for CAD in patient with type 2 diabetes

Date Published: 2025-12-11

Abstract:
To investigate the association between fasting glucagon levels and coronary artery disease (CAD) risk in patients with Type 2 Diabetes Mellitus (T2DM). This cross-sectional study enrolled 1,739 hospitalized T2DM patients, categorized into T2DM alone and T2DM with CAD (T2DM&CAD) groups. Fasting glucagon levels and clinical characteristics were collected. Multivariable logistic regression models were used to assess this association, with progressive adjustment for confounders. In female patients, fasting glucagon levels were significantly higher in the T2DM&CAD group than in the T2DM alone group (13.33 vs. 11.52 pmol/L, P < 0.01). After full adjustment, each 1-SD increase was associated with a 49.2% higher CAD risk (OR: 1.492; 95% CI: 1.099-2.026; P < 0.05). No significant association was found in male patients. Elevated fasting glucagon is an independent risk indicator for CAD in women with T2DM, but not in men. These findings highlight the potential value of glucagon monitoring in T2DM management, especially for women, and support exploring glucagon-pathway-targeted therapies to reduce cardiovascular complications.

Introduction:
Type 2 diabetes mellitus (T2DM) has become a major global public health problem, with its prevalence continuing to rise, placing a heavy burden on society ( 1 ). It is noteworthy that the incidence of cardiovascular disease (CVD) is significantly higher in diabetic populations compared to non-diabetic populations ( 2 ), and coronary artery disease (CAD) is a leading cause of death in T2DM patients, accounting for approximately 50% of mortality ( 3 ). This severe situation urgently requires in-depth exploration of…

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