This study is a prospective, multicenter, randomized controlled trial, led by the second hospital affiliated to zhejiang university school of medicine, A total of 10 hospitals in zhejiang province interventional cardiovascular center to participate in, plan to recruit 200 STEMI patients.~Subjects according to the proportion of 1:1 were randomly allocated to two treatment groups.(Experimental group (IVUS) steering group or control group (imaging) steering group.) Plan 10 centers in 200 men and women aged 18 and older patients, according to the American heart association and the United States The college of cardiology interventional treatment guidelines for the participants.~Each center recruiting number does not exceed 40% of the total plan recruitment.
To compare the long-term clinical outcomes of IVUS-guided vs angiography-guided PCI in patients with acute STEMI