International Heart Journal
Online ISSN : 1349-3299
Print ISSN : 1349-2365
ISSN-L : 1349-2365

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Late Stent Thrombosis After Drug-Coated Balloon Coronary Angioplasty for In-Stent Restenosis
A Case Report
Wenjun WangBailu WangYuguo ChenShujian Wei
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ジャーナル フリー 早期公開

論文ID: 20-309

この記事には本公開記事があります。
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A 41-year-old woman with chest pain for 6 hours was admitted to our chest pain center, presenting with acute myocardial infarction. Coronary angiography showed acute total occlusion in the proximal left anterior descending artery due to late stent thrombosis. After thrombus aspiration and intracoronary administration of 0.5 mg tirofiban, repeated angiography showed that no obvious residual stenosis remained. The patient underwent drug-coated balloon angioplasty 69 days ago and was then administered dual antiplatelet treatment (aspirin and clopidogrel) uninterruptedly. Genetic testing found that both cytochrome P450 2C19 (CYP2C19) (G681A) and glycoprotein Ia (GPIa) (C807T, G873A) were hybrid mutant types, demonstrating that the patient was possibly resistant to clopidogrel and aspirin simultaneously. Thus, clopidogrel was replaced by ticagrelor and no more cardiovascular adverse events occurred during the 2-year follow-up.

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