Ellis classification of coronary perforation during PCI

Ellis classification of coronary perforation during PCI

Ellis classification is based on angiographic appearance of the perforation [1].

Grade I: Extraluminal crater without extravasation
Grade II: Pericardial or myocardial blushing
Grade III: Perforations of one or more millimeter diameter with contrast streaming or spilling

Reference

1. Ellis SG et al. Increased coronary perforation in the new device era. Incidence, classification, management, and outcome. Circulation. 1994 Dec;90(6):2725-30.