Elective PCI were included in the study. Patients were randomized into two different groups.
One group took ASA 80 mg once daily and clopidogrel 75 mg once a day, and the other one took
ASA 80 mg once a day and ticagrelor 90 mg twice a day. After six months of close follow-up,
patients were asked to give a score to their dyspnea and asked about the major advance
cardiovascular events ( MACE)