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