Complementary prognostic utility of myocardial blush grade and ST-segment resolution after primary percutaneous coronary intervention: Analysis from the HORIZONS-AMI trial

In HORIZONS-AMI, MBG and STR after primary PCI were concordant in only 70% of patients and provided complementary prognostic information. Myocardial blush grade predicted long-term survival, whereas STR predicted freedom from repeated revascularization.