Designed and led a retrospective cohort study within the Department of Cardiovascular Medicine and enrolled 980 patients with STEMI who underwent primary percutaneous coronary intervention (PPCI) from January 1st, 2016 to December 31st, 2019. The study aimed to compare the impact of four strategies of non-culprit coronary artery intervention (i.e., CR, staged revascularization during hospitalization (SR-in), staged complete revascularization after discharge (SR-out), COR) on the long-term prognosis of patients