ArticleJournal of cardiology cases2024
Non-invasive recanalization of first-generation sirolimus-eluting stent thrombosis due to stent fracture and coronary artery aneurysm after clopidogrel treatment 15 years after implantation.
Article in Journal of cardiology cases, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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Who cites it
1 citing paper in PubMed.
- Conservative management of asymptomatic vertebral artery stent fracture with fragment embolisation to V3 segment: a case report.Frontiers in surgery · 2025Article
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2 authors.
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Abstract
In 2020, a 48-year-old male patient was admitted to our hospital due to unstable angina. In 2005, three first-generation sirolimus-eluting stents (1st-SESs) had been deployed to his right coronary artery (RCA). Over the past 10 years or so, the patient has been treated with single antiplatelet therapy using aspirin. Coronary angiography (CAG) revealed severe stenosis in the left circumflex artery (LCx) and total occlusion at the proximal portion of the stented RCA. Furthermore, fluoroscopy showed multiple 1st-SES fractures. After ad hoc percutaneous coronary intervention of the LCx, dual antiplatelet therapy (DAPT) was resumed by adding the P2Y12 inhibitor clopidogrel to aspirin. Two months later, CAG revealed complete recanalization and multiple peri-stent coronary artery aneurysms (CAAs) in the RCA. Intravascular ultrasound revealed late-acquired stent malapposition (LSM) and formation of true aneurysms. Coronary angioscopy showed the uncovered struts of the 1st-SES and mural red thrombus. DAPT was continued thereafter, and 8 months later, follow-up CAG showed no significant RCA restenosis. To date, the patient remains free from cardiovascular events. This report documents a rare case of thrombotic occlusion of a 1st-SES with LSM, CAA, and stent fractures followed by non-invasive recanalization after clopidogrel treatment 15 years after 1st-SES implantation. Learning objective: Stent thrombosis due to stent fracture and coronary aneurysm can occur even years after first-generation sirolimus-eluting stent (1st-SES) implantation. Risk assessment using coronary imaging should be made and long-term dual antiplatelet therapy (DAPT) should be recommended in patients with a high risk of stent thrombosis after 1st-SES implantation. In cases of stent thrombosis of the 1st-SES, resuming DAPT, including P2Y12 receptor inhibitors, may be a useful non-invasive treatment option.
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