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Development of a Coronary Artery Aneurysm Following Stent Implantation in a Chronic, Totally Occluded Lesion

支架置放後之慢性完全阻塞冠狀動脈產生冠狀動脈瘤

摘要


冠狀動脈置放支架後產生冠狀動脈瘤是不常見的,且可能和深層管壁損傷、粥狀斑塊消退、和血管壁正向塑型有關。我們在這袒報告一位31歲病患於慢性完全阻塞冠狀動脈成功放置支架後的四個月產生了冠狀動脈瘤。動脈瘤發生於支架置放段的血管。血管內超音波影像分析顯示支架和管壁貼附良好,沒有可見的血管壁剝離。冠狀動脈瘤在五個月後自然消退。

並列摘要


Coronary artery aneurysm formation is an uncommon finding after coronary stent implantation and is possibly related to deep vessel injury, plaque regression and positive remodeling. We report herein a 31-year-old patient who developed an aneurysm of a coronary artery four months after successful stent implantation to relieve a chronic, totally occluded lesion. The aneurysm occurred within the stented segment of the artery. Intravascular ultrasound image revealed good stent apposition without visible vessel dissection. The aneurysm regressed spontaneously after the ensuing five months.

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