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Off-Pump Coronary Artery Bypass (OPCAB) — risks and complications

5 documented risks. Severity reflects clinical significance, not probability.

Incomplete revascularisation

moderate5.00% (3.00–10.00%)

Prevention: Experienced surgeon; appropriate patient selection.

Sources: aha-cabg-guideline-2021

Conversion to on-pump CABG

moderate8.00% (5.00–15.00%)

Prevention: Experienced surgeon; appropriate patient selection; readiness of bypass equipment.

Sources: aha-cabg-guideline-2021

Stroke (peri-operative)

severe1.00% (0.50–2.00%)

Prevention: Avoidance of aortic clamping in calcified-aorta patients; intra-operative monitoring.

Sources: sts-adult-cardiac-database

Atrial fibrillation (post-op)

moderate25.00% (15.00–40.00%)

Prevention: Beta-blocker continuation; amiodarone in high-risk.

Sources: aha-cabg-guideline-2021

Sternal wound infection

severe1.50% (1.00–3.00%)

Prevention: Antibiotic prophylaxis; tight glycaemic control.

Sources: aha-cabg-guideline-2021