Coronary Collaterals and Post-reperfusion Intramyocardial Hemorrhage

Impact of Coronary Collaterals on Intramyocardial Hemorrhage in AMI Patients

This study examines the relationship between angiographic coronary collaterals (Rentrop grades) and post-reperfusion microvascular injury. This study aims to assess the impact of coronary collateral circulation on intramyocardial hemorrhage incidence and extent.

1. Age 18-85 years
2. Index STEMI
3. Coronary angiogram with Primary coronary intervention
4. No contraindications for Cardiac MRI