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Managing cardiovascular risk in patients with diabetes remains a cornerstone of clinical practice. Recent research highlights the estimated glucose disposal rate (eGDR) as a powerful proxy for insulin resistance. This metric, which doctors can calculate using glycated hemoglobin (HbA1c), body mass index (BMI), and hypertension status, offers a non-invasive way to gauge metabolic health. Most importantly, evidence now links a lower eGDR and MI risk, suggesting that insulin resistance itself is a major driver of primary myocardial infarction (MI).
In a massive nationwide study involving over 600,000 individuals, researchers tracked the relationship between metabolic health and heart attack incidence. Specifically, they analyzed 46,155 patients with type 1 diabetes and 570,230 patients with type 2 diabetes over a median period of 7.7 years. The results were striking. Patients with the lowest eGDR levels (≤4 mg/kg/min), indicating the highest insulin resistance, faced significantly higher hazards for a first heart attack. For type 1 diabetes, the adjusted hazard ratio reached 3.73 compared to the least resistant group. Type 2 diabetes patients also showed a clear graded risk, with a hazard ratio of 1.71 in the lowest eGDR category.
Furthermore, the data suggests that these associations are independent of traditional risk factors like blood lipids or renal function. While post-MI mortality showed similar trends, the primary finding emphasizes the preventative value of identifying high-risk individuals early. Consequently, clinicians should consider eGDR as a modifiable factor that warrants aggressive management through lifestyle and pharmacological interventions.
The clinical utility of eGDR lies in its simplicity and predictive power. Unlike complex insulin clamp techniques, eGDR utilizes routine parameters found in every Indian clinic. Because insulin resistance often precedes overt cardiovascular disease, monitoring this rate can help physicians tailor preventive strategies. This is particularly relevant in the Indian context, where the metabolic phenotype often features high body fat percentages despite a relatively lower BMI. Addressing insulin resistance by improving eGDR could potentially reduce the massive burden of heart disease in the diabetic population.
The estimated glucose disposal rate is calculated using three clinical parameters: glycated hemoglobin (HbA1c), the presence of hypertension, and body mass index (BMI). Lower values indicate higher insulin resistance.
The association is particularly strong in type 1 diabetes. Patients with high insulin resistance (eGDR ≤4 mg/kg/min) have nearly a four-fold increased risk of their first myocardial infarction compared to those with high insulin sensitivity.
Yes, eGDR is a modifiable risk factor. Improving glycemic control, managing blood pressure, and reducing BMI through weight loss or medical therapy can increase the eGDR, potentially lowering the associated cardiovascular risk.
Disclaimer: This content is for informational and educational purposes only and does not constitute medical advice. Always seek the advice of a qualified healthcare provider regarding any medical condition. Refer to the latest local and national guidelines for clinical practice.
References
Glynn L et al. Estimated glucose disposal rate and risk of first myocardial infarction in people with diabetes. Cardiovasc Diabetol Endocrinol Rep. 2026 May 25. doi: undefined. PMID: 42178592.
Huang H et al. The predictive value of estimated glucose disposal rate and its association with myocardial infarction, heart failure, atrial fibrillation and ischemic stroke. Diabetes Obes Metab. 2025 Mar;27(3):1359-1368. doi: 10.1111/dom.16132.
Wang R et al. Estimated Glucose Disposal Rate and Risk of Vascular Events and Death in Type 2 Diabetes in the ADVANCE Study. Diabetes Obes Metab. 2026 Mar 9. doi: 10.1111/dom.16201.
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