【摘 要】
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Background The mechanisms responsible for the occurrence of a kissing unsatisfied (KUS) result after classical crush stenting remain unclear. The present study
【机 构】
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Nanjing First Hospital,Yixing People's Hospital,Jintan People's Hospital,Zhangjiagang People's Ho
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Background The mechanisms responsible for the occurrence of a kissing unsatisfied (KUS) result after classical crush stenting remain unclear. The present study aimed at analyzing the mechanisms and clinical significance of KUS. Methods Two hundred and thirteen patients with true bifurcation lesions treated with classical crush stenting and final kissing balloon inflation (FKBI) were assigned to upper, middle, and lower groups according to the position of the side branch re-wiring assessed by visual estimation, quantitative coronary analysis (QCA) and intravascular ultrasound (IVUS). Angiographic follow-up was indexed at 12 months.Results The upper group was characterized by a larger bifurcation angle of 55.53°±95.25° (P=0.030) and a longer procedural time (42.43±93.92) minutes (P=0.015). The overall rate of KUS by visual estimation was 10.48%, with 5.4% in the upper group, 3.9% in middle group, and 36.1% in lower group (P
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