Intravascular ULTrasound Guided Versus Conventional Angiography Guided Strategy to Deploy Zotarolimus and Everolimus Eluting Third Generation Stents in the Long Coronary Artery Lesions: ULTRA-ZET Trial

Although first generation DES reduced instent restenosis, still remained the unsolved problems such as stent thrombosis and restenosis in the era of DES. Second generation DES had been developed to im...