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Coronary revascularization in diabetic patients with complex coronary artery disease shows Coronary Artery By-Pass Surgery (CABG) superiority over Percutaneous Coronary Intervention (PCI). CABG improves survival and reduces repeat procedures, especially in multivessel disease.
Area of Science:
- Cardiology
- Diabetology
- Vascular Surgery
Background:
- Diabetes mellitus significantly increases macrovascular complications, particularly diffuse coronary artery atherosclerosis, leading to high morbidity and mortality.
- Percutaneous coronary intervention (PCI) is favored for acute coronary syndromes due to emergency accessibility and comparable benefits in diabetic and non-diabetic patients.
- Symptomatic stable coronary artery disease in diabetic patients with multivessel disease requires careful consideration of revascularization strategies.
Purpose of the Study:
- To clarify the roles of PCI and Coronary Artery By-Pass Surgery (CABG) in diabetic patients with multivessel coronary artery disease.
- To highlight the benefits of CABG in specific patient subgroups based on clinical trial data.
- To emphasize the importance of a multidisciplinary heart team approach in decision-making.
Main Methods:
- Analysis of large clinical trials such as BARI-2D and FREEDOM comparing PCI and CABG outcomes.
- Evaluation of factors like SYNTAX score and lesion complexity in determining procedural success.
- Adherence to international guidelines and recommendations from bodies like the European Society of Cardiology.
Main Results:
- Coronary Artery By-Pass Surgery (CABG) demonstrates superiority over PCI in patients with multivessel coronary artery disease, particularly those with high SYNTAX scores.
- Optimal surgical approach involves using bilateral internal mammary arteries for complete revascularization, reducing complications like delayed scar healing and infection.
- CABG significantly improves mortality rates, lowers the need for repeat revascularization, and preserves cardiac function compared to PCI in this population.
Conclusions:
- CABG is the preferred revascularization strategy for diabetic patients with complex multivessel coronary artery disease.
- A comprehensive heart team approach, including diabetologists, is crucial for optimal procedural decision-making.
- International guidelines support CABG for improved long-term outcomes in this high-risk patient group.
Abstract:
Coronary revascularization in patients with diabetes mellitus. Macrovascular complications of diabetes mellitus and particularly difuse coronary artery atherosclerosis, confer a high risk of morbidity and mortality to this population. Percutaneous coronary intervention (PCI) is the preferred mode of coronary revasculari- zation in acute coronary syndromes withlwithout ST elevation, due to the availability of this procedure in emergency situations and to the fact that the benefit is similar in patients with or without diabetes. In symptomatic stable coronary artery disease, large clinical trials including BARI-2D and FREEDOM have clarified the respective role of PCI and of Coronary Artery By-Pass Surgery (CABG) in patients with multiple vessel disease. The superiority of CABG over PCI is clearly demonstrated in multivessel disease, particu- larly with a high SYNTAX score related to complex lesions. The optimal surgical approach should use the two internal mammary arteries in order to ensure a complete revascularization and to reduce delayed scar healing and infection. The surgical approach in this context improves mortality, reduces the risk of repeat revascularization and preserves cardiac function. The decision of the type of procedure should be taken as recommended by the Haute Autorité de Santé (HAS) by a heart team including an interventional cardiologist, a cardiac surgeon anda diabetologist, and shouldfollow international recommendations such as those of the European Society of Cardiology (Class 1A).