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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
Comparison of off-pump versus conventional coronary revascularization
1Department of Cardiovascular Surgery, Academic Hospital, Altunizade, Nuhkuyusu Cad. No. 88, Baglarbasí, Usküdar, Istanbul 81190, Turkey.
Insights
Off-pump coronary bypass surgery offers a safer alternative to traditional cardiopulmonary bypass, reducing complications like stroke and improving recovery times. This approach demonstrates decreased morbidity and a faster return to normal lifestyle for patients.
Area of Science:
- Cardiovascular Surgery
- Minimally Invasive Cardiac Procedures
Background:
- Coronary artery bypass grafting (CABG) is a standard treatment for coronary artery disease.
- Cardiopulmonary bypass (CPB) has been traditionally used during CABG.
- Off-pump CABG (OPCAB) has emerged as an alternative surgical technique.
Purpose of the Study:
- To compare the outcomes of OPCAB with conventional CABG for anterior vessel revascularization.
- To evaluate the safety and efficacy of OPCAB in terms of morbidity and mortality.
- To assess the impact of OPCAB on postoperative recovery and patient lifestyle.
Main Methods:
- A cohort of 231 patients undergoing OPCAB for anterior vessel revascularization was compared to a matched control group using CPB.
- Patients were matched for age, sex, and cardiovascular risk factors.
- Outcomes including mortality, cerebrovascular accident, respiratory insufficiency, renal failure, postoperative drainage, blood transfusion, intensive care unit (ICU) stay, and hospital stay were analyzed.
Main Results:
- Mortality rates were comparable between OPCAB and CPB groups.
- The incidence of cerebrovascular accident, respiratory insufficiency, and renal failure was significantly lower in the OPCAB group.
- OPCAB patients experienced significantly less postoperative drainage, reduced blood transfusion requirements, shorter ICU stays, and shorter overall hospital stays.
- Follow-up at 6 to 24 months showed a decrease in morbidity and a more rapid return to normal lifestyle for OPCAB patients.
Conclusions:
- Off-pump coronary bypass is a safe and effective procedure for anterior vessel revascularization.
- OPCAB is associated with reduced postoperative morbidity and shorter hospital stays compared to CPB.
- Technical limitations are the primary contraindication for OPCAB, suggesting its wider applicability.
Abstract:
Between May 1999 and August 2001, 231 patients underwent off-pump coronary bypass, of whom 171 required revascularization of the anterior vessels of the heart. They were compared with a group matched for age, sex, and risk factors undergoing revascularization of the same group of vessels under cardiopulmonary bypass. Mortality was comparable in both groups but the incidence of cerebrovascular accident, respiratory insufficiency, and renal failure was less in the off-pump group. Postoperative drainage and blood transfusion requirements were significantly less in the off-pump group. Intensive care and hospital stay were shorter in the off-pump patients. A considerable number of patients are potential candidates for off-pump coronary bypass, the only contraindication being technical limitations. Follow-up at 6 to 24 months indicates that off-pump coronary bypass can be performed safely with a decrease in morbidity and more rapid return to normal lifestyle.
