Occluded Artery Trial : Long term Follow up- Data Coordinating Center (OAT)
Despite observations suggesting a potential benefit for late opening of infarct-related arteries (IRA) post MI, the Occluded Artery Trial (OAT) demonstrated that PCI post MI in stable patients, with an occluded IRA, did not reduce the occurrence of events over 3.2 years mean follow-up. There was a trend toward more nonfatal reinfaction in the PCI group. The objective of OAT-LTFU was to assess the long term effect of PCI vs. medical therapy alone on 1) composite of death, MI, and heart failure, and 2) rates of different types of MI classified by the universal definition. Patients initially randomized to PCI with optimal therapy (PCI n=1101) or medical therapy alone (MED n=1100) were followed for an additional 3 years.
