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Updated: Mar 26, 2026

Interventional Diagnostic Procedure: A Practical Guide for the Assessment of Coronary Vascular Function
Published on: March 15, 2022
Controversies surrounding percutaneous coronary intervention in the diabetic patient
Sara C Martinez1, David R Holmes1
1a Division of Cardiovascular Disease , Mayo Clinic , Rochester , MN , USA.
Insights
Diabetic patients with coronary artery disease face aggressive atherosclerosis and complications. Complete revascularization and guideline-directed medical therapy offer the best outcomes, narrowing the gap with non-diabetic patients.
Area of Science:
- Cardiology
- Endocrinology
- Vascular Biology
Background:
- Diabetic patients with coronary artery disease (CAD) exhibit accelerated atherosclerosis.
- They experience higher rates of stent complications and incomplete revascularization in multivessel disease.
- Insulin resistance significantly impacts CAD presentation and progression.
Purpose of the Study:
- To review the pathophysiology of insulin resistance in diabetic CAD.
- To examine revascularization strategies and their impact on diabetic patient outcomes.
- To identify optimal treatment approaches for diabetic patients with CAD.
Main Methods:
- Literature review focusing on pathophysiology and clinical outcomes.
- Analysis of data on revascularization strategies in diabetic populations.
- Synthesis of evidence regarding guideline-directed medical therapy.
Main Results:
- Diabetic CAD is characterized by aggressive atherosclerosis and higher complication rates.
- Revascularization strategies have evolved, with complete and durable approaches showing promise.
- Guideline-directed medical therapy is crucial for managing diabetic CAD.
Conclusions:
- Complete and durable revascularization is essential for improving outcomes in diabetic patients with CAD.
- Guideline-directed medical therapy is a cornerstone of treatment.
- Optimizing these strategies can help close the outcome gap between diabetic and non-diabetic patients.
Abstract:
Diabetic patients with coronary artery disease are common and complex, with an aggressive progression of atherosclerosis, increased rate of stent complications, and increased rates of incomplete revascularization in multivessel disease compared to non-diabetic patients. In this review, we first discuss the pathophysiologic elements of insulin resistance and presentations of coronary artery disease in diabetic patients. Next, we outline the evolution and present the data on revascularization strategies on diabetic patient outcomes. The overall conclusion of our review is that a strategy of complete and durable revascularization and guideline-directed medical therapy currently provides the best possible chance at closing the gap between outcomes in patients with and without diabetes.
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