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Updated: Jul 4, 2026
Surgical Porcine Model of Chronic Myocardial Ischemia Treated by Exosome-laden Collagen Patch and Off-pump Coronary Artery Bypass Graft
Published on: September 15, 2023
[Myocardial revascularization without extracorporeal circulation]
1Institut za kardiovaskularne bolesti Dedinje, Beograd.
Insights
Off-pump coronary artery bypass (OPCAB) surgery is emerging as an alternative to traditional on-pump CABG. This review explores OPCAB
Area of Science:
- Cardiovascular Surgery
- Interventional Cardiology
Context:
- Coronary artery disease (CAD) management involves drug therapy, percutaneous coronary angioplasty (PCI), and surgical myocardial revascularization.
- Conventional coronary artery bypass grafting (CABG) using cardiopulmonary bypass (CPB) has been the standard for decades, especially for complex CAD.
- Minimally invasive techniques and interest in off-pump coronary artery bypass (OPCAB) surgery challenge the traditional on-pump CABG approach.
Purpose:
- To review the evolution and clinical implications of OPCAB surgery.
- To compare the advantages and disadvantages of OPCAB versus on-pump CABG.
- To evaluate OPCAB as a treatment strategy for coronary artery disease.
Summary:
- OPCAB surgery, performed on a beating heart without cardiopulmonary bypass, is gaining traction as an alternative to conventional on-pump CABG.
- OPCAB may offer benefits for patients with co-morbidities contraindicating CPB use.
- Clinical outcomes and efficacy of OPCAB in the general patient population require further comprehensive evaluation.
Impact:
- Provides a comparative analysis of OPCAB and on-pump CABG from theoretical and clinical perspectives.
- Informs clinical decision-making regarding surgical revascularization strategies for coronary artery disease.
- Highlights areas for future research in OPCAB techniques and patient selection.
Abstract:
Contemporary treatment of coronary disease includes: drug treatment, percutaneous coronary angioplasty (PCI), with or without stent implantation and surgical myocardial revascularization. For more than 30 years, conventional coronary bypass (on-pump CABG), using cardiopulmonary bypass (CPB), represented the standard regarding myocardial revascularization, particularly in patients suffering from three vessel disease or left main coronary artery stenosis. Recent development of invasive cardiology and increased interest in coronary surgery on the beating heart (OPCAB), challenging traditional on-pump CABG procedure, as optimal strategy for the treatment of coronary artery disease. In order to improve clinical outcome, OPCAB seems to be a good choice in patients with co-morbidities critical for use of CPB. Results of OPCAB revascularization in general patient population are considerably different and require further evaluation. This review article shows the development of OPCAB and elaborates potential advantages and weaknesses of this method of revascularization, from both, theoretical and clinical point of view, compared to standard surgical myocardial revascularization.
