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Off-pump surgery: is it beneficial in patients with left ventricular dysfunction?
Omar A Jarral1, Thanos Athanasiou
1Department of Surgery and Cancer, Imperial College London, London, UK.
Expert Review of Cardiovascular Therapy
|January 7, 2014
Summary
Off-pump coronary artery bypass surgery may offer better outcomes for high-risk patients with left ventricular dysfunction. Avoiding cardiopulmonary bypass could reduce early mortality and complications in this growing patient group.
Area of Science:
- Cardiovascular Surgery
- Cardiac Surgery Outcomes
- Minimally Invasive Cardiac Procedures
Background:
- Coronary artery bypass surgery (CABS) is the gold standard for complex multivessel disease.
- Off-pump CABS (OPCAB) has advanced but is underutilized (<20% globally).
- Barriers to OPCAB adoption include a steep learning curve, conflicting evidence, and concerns about conversion mortality, graft patency, and revascularization completeness.
Purpose of the Study:
- To evaluate the potential benefits of OPCAB in specific patient subgroups.
- To investigate whether avoiding cardiopulmonary bypass (CPB) improves outcomes in high-risk patients.
- To determine if OPCAB is a viable option for managing patients with left ventricular dysfunction.
Main Methods:
- Review of existing evidence and clinical practice regarding OPCAB versus on-pump CABS.
- Analysis of patient selection criteria, particularly for those with left ventricular dysfunction.
- Assessment of outcomes including early mortality, non-cardiac complications, and organ dysfunction.
Main Results:
- Patients with left ventricular dysfunction represent a high-risk, increasing population.
- Evidence suggests avoiding CPB in this subgroup may lead to superior early mortality and reduced non-cardiac complications and organ dysfunction.
- Despite theoretical risks of incomplete revascularization, OPCAB shows promise for high-risk patients.
Conclusions:
- Off-pump coronary artery bypass surgery may be a beneficial alternative for high-risk patients, especially those with left ventricular dysfunction.
- Careful patient selection is crucial for optimizing outcomes with OPCAB.
- Further research may clarify the role of OPCAB in specific cardiac conditions and patient profiles.
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