Abstract

Coronary artery aneurysm is defined as an area of localised coronary artery dilatation with a diameter of 1.5 times greater than an adjacent normal reference segment of vessels. Coronary artery aneurysms after coronary interventions are rare, with reported incidence of 0.3 to 0.6% Drug eluting stents which locally elute anti proliferative drugs can dramatically inhibit neointimal growth , thereby suppressing restenosis but at the same time potentially causing coronary aneurysms due to other mechanisms such as reendothelisation , inflammatory changes of medial wall and hypersensitivity reactions and thus associated with a risk of coronary artery aneurysm formation Coronary artery aneurysms have been reported from 3 days upto 4 years after DES implantation procedures, with varying clinical features

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