Coronary Artery Revascularization Techniques
Summary
Coronary artery revascularization encompasses a spectrum of interventional and surgical approaches aimed at restoring blood flow to myocardium compromised by atherosclerotic obstruction. Percutaneous coronary intervention (PCI) employs balloon angioplasty and stent deployment to dilate stenotic segments, offering rapid recovery and minimal invasiveness. Coronary artery bypass grafting (CABG) establishes conduits—typically the internal mammary artery or saphenous vein—beyond occlusive lesions, providing durable relief in multivessel disease. Variations include on-pump procedures, utilising cardiopulmonary bypass, and off-pump techniques that preserve native cardiac motion to reduce systemic inflammation. In cases of diffuse calcification or chronic total occlusions, coronary endarterectomy excises atheromatous core to facilitate complete grafting. Hybrid approaches combine PCI for focal lesions with surgical grafting of complex territories. Advances in imaging, graft material science and antithrombotic protocols have optimised procedural safety and long-term patency. Globally, these techniques underpin myocardial revascularization strategies tailored to patient risk profiles, lesion complexity and comorbidities, with ongoing research focusing on minimising perioperative complications and enhancing graft longevity.
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Coronary Artery Revascularization Techniques publication trend
The graph below shows the total number of articles in coronary artery revascularization techniques across all publications each year (not limited to Nature Index journals).
Technical terms
Percutaneous coronary intervention (PCI): Minimally invasive dilation of coronary stenoses using balloons and stents.
Coronary artery bypass grafting (CABG): Surgical creation of alternate blood flow pathways around occluded coronary segments.
On-pump surgery: CABG performed with cardiopulmonary bypass support, allowing a motionless field.
Off-pump surgery: CABG performed on a beating heart to reduce inflammatory and neurological complications.
Coronary endarterectomy: Surgical removal of atherosclerotic plaque to enable graft anastomosis in diffusely diseased vessels.
Dual antiplatelet therapy (DAPT): Combined use of two platelet-inhibiting agents to prevent graft thrombosis.
References
- Early tirofiban versus heparin for bridging dual antiplatelet therapy in patients undergoing coronary endarterectomy combined with coronary artery bypass grafting: a multicenter randomized controlled trial protocol (the THACE-CABG trial). Trials (2024).
- Role of Antiplatelet Therapy in Patients with Severe Coronary Artery Disease Undergoing Coronary Artery Endarterectomy within Coronary Artery Bypass Surgery Ψ. Journal of Cardiovascular Development and Disease (2023).
- Computed Tomography-Based Angiographic Evaluation of Graft Patency Rate After Coronary Artery Bypass Graft Surgery in Bangladesh. Cureus (2022).
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