Key result
Attempted OPCAB achieves ~97% overall success, performing significantly better in primary versus reoperative procedures.
Why the study?
Is routine off-pump coronary artery bypass feasible and what are the risk factors for on-pump conversion in patients requiring isolated CABG?
Population
338 patients requiring isolated coronary artery bypass grafting (CABG)
Design
Cohort
Follow-up
mean 1.0 ± 0.4 years
Authors
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Off-pump CABG appears feasible in primary cases; leaves open randomized confirmation of conversion risks in reoperations.
Observational (n=338)
No
Is routine off-pump coronary artery bypass feasible and what are the risk factors for on-pump conversion in patients requiring isolated CABG?
Absolute Event Rate: 99.3% vs 68.1%
p-value: p=<0.0001
Routine off-pump coronary artery bypass is highly feasible, though reoperation and cardiogenic shock are significant risk factors for requiring on-pump conversion.
Hirose et al. (2005) conducted an observational in Isolated coronary artery bypass requirement (n=338). Primary coronary artery bypass grafting vs. Reoperative coronary artery bypass grafting was evaluated on Off-pump coronary artery bypass (OPCAB) success rate (avoidance of cardiopulmonary bypass) (p=<0.0001). Attempted off-pump coronary artery bypass had a 97.3% overall success rate, with significantly higher success in primary versus reoperative procedures (99.3% vs 68.1%, P<0.0001).
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