…states or iatrogenic vascular injury. Acute occlusion may also occur in an artery with established collateral circulation, particularly an occluded bypass graft; in such cases…

…Mechanisms include: Coronary dissection with obstruction of the true lumen Occlusion of a major epicardial artery or bypass graft Side branch occlusion or thrombus Disruption…

…The phenomenon occurs in approximately 2%–3% of PCI procedures overall. It is particularly associated with intervention on degenerated saphenous vein grafts (SVGs), rotational atherectomy…