Publications by authors named "A Kuwayama"

Studies on the outcomes of de novo three-vessel coronary artery disease (3VD) are limited. This study evaluated the outcomes after coronary revascularization in patients with 3VD treated by percutaneous coronary intervention (PCI) using second-generation drug-eluting stents (2ndDES) in comparison with coronary artery bypass grafting (CABG). We analyzed 853 patients undergoing either PCI or CABG for 3VD between 2010 and 2014.

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Background: Little is known of the relationship between optical coherence tomography (OCT) findings and recurrent restenosis after paclitaxel-coated balloon (PCB) angioplasty for drug-eluting stent in-stent restenosis (DES-ISR). To identify the predictors of recurrent restenosis after PCB angioplasty, we investigated quantitative and qualitative OCT findings during PCB angioplasty for DES-ISR.

Methods and results: In all, 222 DES-ISR lesions treated by PCB angioplasty with OCT assessment and followed-up angiographically at 6 months were divided into restenotic and non-restenotic lesions on the basis of the presence or absence of restenosis at follow-up.

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Background: Data on bleeding events in Japanese patients with acute coronary syndrome (ACS) are insufficient. In addition, the efficacy and safety of a maintenance dose of prasugrel 2.5 mg/day in high bleeding risk patients are unknown.

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