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Updated: Jul 11, 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
[Off-pump coronary artery bypass]
Łukasz Chojecki1, Piotr Hendzel, Leszek Gryszko
1Wojskowy Instytut Medyczny w Warszawie, Kliniczny Oddział Kardiochirurgii CSK MON. lukchoj@mediclub.pl
Insights
Beating heart coronary artery bypass surgery offers significant benefits over traditional methods. This technique reduces complications and mortality, making it a safer option, especially for high-risk patients.
Area of Science:
- Cardiovascular Surgery
- Minimally Invasive Cardiac Procedures
Context:
- Coronary artery bypass grafting (CABG) traditionally utilizes cardiopulmonary bypass (CPB).
- Advancements in cardiac stabilization instruments since the mid-1990s have enabled off-pump techniques.
- CPB is associated with systemic inflammatory response and potential complications.
Purpose:
- To review and summarize evidence comparing beating heart coronary artery bypass surgery (off-pump CABG) with CPB-assisted CABG.
- To evaluate the benefits and risks associated with each surgical approach.
Summary:
- Off-pump CABG allows for complete revascularization with reduced myocardial damage.
- Key advantages include the exclusion of the systemic inflammatory response triggered by CPB.
- This leads to a lower incidence of renal failure, clotting disturbances, respiratory complications, microthrombotic formation, and central nervous system issues.
Impact:
- Beating heart surgery demonstrates significantly lower early mortality rates.
- It is a safer and more viable option for high-risk patient populations, including the elderly, females, and those with acute coronary syndrome or ascending aorta arteriosclerosis.
- The technique expands treatment accessibility to a broader range of patients, particularly those with elevated perioperative risks.
Abstract:
Development of beating heart coronary artery bypass surgery was possible since introduction of heart stabilizing instruments in mid-90's.
The Aim Of This Review:
To summarize available evidence of benefits of beating heart coronary artery bypass surgery in comparison with use of cardiopulmonary bypass during surgery. Methods of heart stabilization during operation without cardiopulmonary bypass allow to performing complete revascularization with lower degree of myocardial damage. The main advantage of beating heart coronary bypass surgery is excluding systemic inflammatory response following cardiopulmonary bypass use. And therefore less incident of renal failure, clotting disturbances, respiratory complications. There is lower incidence of microthrombotic formation and central nervous system complications. Early mortality is significantly lower and it is safer to operate on high risk patients (over 75 years old, female, with acute coronary syndrome, ascending aorta arteriosclerosis).
Conclusion:
The technique of beating heart coronary artery bypass surgery reduces risk of central nervous system complications, renal failure, respiratory problems and coagulation disturbances. The complete revascularisation is possible. This technique is available to enlarging group of patients, especially the high perioperative risk patients.
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