Severe Intramyocardial Hematoma as a Complication of Retrograde Approach in Chronic Total Occlusion

Interventricular septal hematoma is a rare but potentially dangerous complication of retrograde chronic total occlusion (CTO) percutaneous coronary interventions (PCI) [(1,2)][1]. A 58-year-old man was referred for right coronary artery CTO-PCI performed by a retrograde approach via the collateral