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Updated: Apr 26, 2026
The Intra-Aortic Balloon Pump
Published on: February 5, 2021
Intraaortic balloon pump boon for off-pump coronary artery bypass grafting
Kamales Kumar Saha1, Ram P Kaushal2, Ajay Kumar3
1Private practice in multiple private hospitals in Mumbai, India Fortis SL Raheja Hospital, Mumbai, India MGM Medical College, Navi Mumbai, India.
Insights
Intra-aortic balloon pump use effectively manages hemodynamic instability during off-pump coronary artery bypass surgery. This strategy successfully prevented emergency conversion to cardiopulmonary bypass in patients requiring intervention.
Area of Science:
- Cardiovascular Surgery
- Minimally Invasive Cardiac Procedures
Background:
- Off-pump coronary artery bypass (OPCAB) has advanced, but hemodynamic decompensation remains a concern, increasing morbidity and mortality.
- Intra-aortic balloon pump (IABP) is utilized to manage ischemia-induced instability and arrhythmias during OPCAB.
- Preventing conversion to cardiopulmonary bypass (CPB) is crucial for improving OPCAB outcomes.
Purpose of the Study:
- To evaluate the effectiveness of IABP in preventing emergency CPB conversion during OPCAB.
- To assess the impact of IABP on achieving complete revascularization in patients with hemodynamic compromise.
Main Methods:
- Retrospective analysis of 529 patients undergoing isolated OPCAB with prospectively collected data.
- Preference for arterial grafts (bilateral internal mammary arteries) and aortic no-touch technique.
- IABP insertion for hemodynamic compromise unresponsive to inotropic therapy.
Main Results:
- Complete revascularization was achieved in all 529 patients.
- IABP was used in 33 patients (6.2%) for hemodynamic instability.
- IABP insertion successfully avoided CPB conversion in all treated cases.
Conclusions:
- IABP is a recommended bail-out strategy for hemodynamic instability during OPCAB.
- Utilizing IABP can prevent the need for CPB conversion, maintaining the benefits of OPCAB.
- IABP facilitates successful complete revascularization in hemodynamically compromised OPCAB patients.
Background:
Off-pump coronary artery bypass techniques have evolved in the past decade, but there are some concerns about hemodynamic decompensation requiring conversion to cardiopulmonary bypass. These conversions are associated with higher morbidity and mortality. We use an intraaortic balloon pump to treat ischemia-induced hemodynamic instability and arrhythmias during off-pump coronary artery bypass. The objective of this study was to assess the impact of intraaortic balloon pump use in off-pump coronary artery bypass to prevent emergency conversion to cardiopulmonary bypass.
Methods:
Data of 529 consecutive unselected patients who underwent isolated coronary artery bypass were included in this retrospective study of prospectively collected data and operation notes. Complete revascularization was performed using an off-pump technique. All arterial grafts using bilateral internal mammary arteries, and aortic no-touch technique were preferred. If the clinical situation demanded, vein grafts were used. During the procedure, any hemodynamic compromise not responding to conventional inotropic therapy was treated with intraaortic balloon pump insertion.
Results:
Complete revascularization was possible in all 529 patients. An intraaortic balloon pump was inserted in 33 (6.2%) patients to treat hemodynamic instability; in all cases, conversion to cardiopulmonary bypass was avoided and complete revascularization was achieved.
Conclusion:
For treating hemodynamic instability during off-pump coronary artery bypass, we recommend intraaortic balloon pump insertion as the preferred bail-out method rather than conversion to cardiopulmonary bypass.
