Stents After CABG: When & Why They're Used Post-Bypass

Yes, percutaneous coronary intervention (PCI) with stenting can be performed after coronary artery bypass grafting (CABG).

Clinical Scenarios

• Native Vessel Disease Progression: New lesions in non-grafted coronaries.
• Graft Failure / Stenosis: SVG (saphenous vein graft) atherosclerosis/occlusion (50% at 10 yrs). LIMA-LAD >90% patent at 10 yrs.
• Incomplete Revascularization: Residual ischemia in territory not bypassed.
• Acute Coronary Syndrome Post-CABG: Culprit lesion in native or graft.

Technical Considerations

• Graft PCI: Higher restenosis/thrombosis risk vs. native. DES (drug-eluting stents) preferred. IVUS/OCT guidance.
• Access: Radial preferred; femoral if large bore needed.
• Antithrombotic: DAPT (aspirin + P2Y12) duration individualized; often 6–12 mos. Triple therapy if AFib.

Decision Framework

Heart Team (interventional cardiologist + cardiac surgeon) evaluates: symptom status, ischemia testing, graft anatomy, comorbidities, life expectancy. Surgery redo (re-CABG) vs. PCI depends on graft availability, frailty, SYNTAX score.