title: Coronary aneurysm reduced after coronary stenting.
abstract: We describe as case of a 70-year-old man who underwent a percutaneous coronary intervention with stenting, for a severe stenosis complicated by a coronary aneurysm just distal to the stenotic site. Notably, coronary angiogram showed an immediate and progressive reduction in the size of coronary aneurysm. Curved planar reconstruction images of the enhanced CT showed no thrombus and no dissection of the coronary aneurysm. We speculate that coronary stenting might decrease the velocity of coronary flow through the stenosis. Consequently, stenting might attenuate the hydrodynamic wall stress on the aneurysm, and, in addition, improve the degradation of the extracellular matrix structure through the regulation of matrix metalloproteinases. Regression of coronary aneurysm after stenting requires further investigations, because stenting may become a potential means for treating post-stenotic aneurysms.
authors.forename: Masashi
authors.initials: M
authors.lastname: Ohtsuka
authors.forename: Eiji
authors.initials: E
authors.lastname: Uchida
authors.forename: Hiroyuki
authors.initials: H
authors.lastname: Yamaguchi
authors.forename: Toru
authors.initials: T
authors.lastname: Nakajima
authors.forename: Hiroshi
authors.initials: H
authors.lastname: Akazawa
authors.forename: Nobusada
authors.initials: N
authors.lastname: Funabashi
authors.forename: Yoshio
authors.initials: Y
authors.lastname: Kobayashi
authors.forename: Ichiro
authors.initials: I
authors.lastname: Shiojima
authors.forename: Issei
authors.initials: I
authors.lastname: Komuro
mesh_terms: D000368:Aged; D015906:Angioplasty, Balloon, Coronary; D003323:Coronary Aneurysm / Q000000981:diagnostic imaging* / Q000628:therapy*; D023921:Coronary Stenosis / Q000628:therapy; D006801:Humans; D008297:Male; D015607:Stents; D014057:Tomography, X-Ray Computed