CTICasesSaphenous Vein Graft Aneurysm
Imaging findings
Gated cardiac CT demonstrates a massive, partially thrombosed aneurysm arising from a saphenous vein graft (SVG) fifteen years after coronary artery bypass graft (CABG) surgery. The aneurysm continues to fill with contrast proximally despite being occluded distally.
Key takeaways
Saphenous vein graft aneurysms are a late and potentially dangerous complication of CABG, typically developing over a decade after the initial surgery. They can cause mechanical mass effect leading to cardiac tamponade, or they may rupture, and they are increasingly managed with catheter-directed coil embolization.
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