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- W2315422247 abstract "【目的】Sirolimus-eluting stent(SES)留置後のvery late stent thrombosis(VLST)症例5例のintravascular ultrasound(IVUS)画像について検討した．【方法】急性心筋梗塞の診断で緊急冠動脈造影検査を実施し，VLSTと指摘された5例を解析対象とした．VLST発症時に，全例でバルーン拡張術前に血栓吸引とIVUSを行った．留置直後のIVUS画像は3例で入手可能であった．留置直後のmaximal external elastic membrane-cross sectional area(EEM-CSA)からVLST発症時のmaximal EEM-CSAへの増加分をΔEEM-CSAと定義した．【結果】VLSTはSES留置から中央値53カ月(四分位点18～63)に発症した．全例でstent留置部位のpositive remodelingとincomplete stent appositionを認めた．5例の平均maximal EEM-CSAとreference EEM-CSAは(20.9±7.2 mm2 versus 12.1±4.3mm2 p=0.028)で，remodeling index 1.78±0.48であった．VLST発症までの期間とmaximal EEM-CSAおよびΔEEM-CSAには正の相関関係(R2=0.95; p=0.003，およびR2=0.99; p=0.03)を認めた．【結論】VLSTはpositive remodelingの増大との関連が示唆され，IVUSによるSES留置部位の経時的評価がVLSTのリスク層別化に有用となる可能性がある．" @default.
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- W2315422247 date "2013-01-01" @default.
- W2315422247 modified "2023-09-26" @default.
- W2315422247 title "Evaluation of intravascular ultrasound findings in 5 cases of very late stent thrombosis after sirolimus-eluting stent implantation" @default.
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- W2315422247 doi "https://doi.org/10.7793/jcoron.19.518" @default.
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