Resolute zotarolimus-eluting stent in ST-elevation myocardial infarction (resolute-STEMI): A prespecified prospective register from the DAPT-STEMI trial

Objectives: To evaluate the safety and efficacy outcomes after primary percutaneous coronary intervention (pPCI) with second-generation Resolute™ zotarolimus-eluting stent (R-ZES) in patients enrolled in the DAPT-STEMI Trial (NCT01459627). Background: R-ZES is one of the most used drug eluting stents worldwide. To date, the safety and efficacy data of this stent in setting of STEMI is limited. Methods: The Resolute-STEMI is a prespecified prospective register that reports the safety and efficacy of R-ZES in setting of ST-Elevation Myocardial Infarction (STEMI) at 6 months for the following endpoints: a composite endpoint of all-cause mortality, any myocardial infarction (MI), any (unscheduled) revascularization, stroke and TIMI major bleeding, as well as target lesion failure and stent thrombosis (ST). Results: From a total of 1,100 STEMI patients enrolled in the trial, 998 received a R-ZES. At 6 months the PE occurred in 42 (4.2%) patients. All-cause death, MI, revascularization, stroke and TIMI major bleeding was respectively 8 (0.8%), 9 (0.8%), 34 (3.4%), 2 (0.2%), and 4 (0.4%). The rate of target lesion revascularizations involving the culprit lesion was 1.1%. Target lesion failure was 1.5%. The rate of definite ST was 0.5%. The rate of both definite or probable ST was 0.7%. Conclusions: The present analysis is the largest to date reporting short-term and mid-term clinical outcomes with the R-ZES stent in setting of STEMI. At 30 days and 6-months R-ZES has an outstanding safety and efficacy even in this high-risk category of patients.

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