Severe multivessel coronary spasm after sirolimus-eluting stent implantation


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Abstract

We describe two cases of severe, multivessel coronary vasospasm that occurred a few months after placement of sirolimus-eluting stents in patients with severe coronary disease, and involved segments not significantly atheromatous and not previously treated. The literature suggests that biocellular interference with the endothelial equilibrium on the part of drugs eluted from a stent poses a serious risk of tardive and widespread postangioplasty coronary spasm in comparison with the use of a bare-metal stent.

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