Secondary Rotational Atherectomy is Associated with Reduced Occurrence of Prolonged ST-segment Elevation Following Ablation
Internal and emergency medicine(2023)
摘要
Elevation of the ST segment after percutaneous coronary intervention (PCI) using rotational atherectomy (RA) for severely calcified lesions often persists after disappearance of the slow-flow phenomenon on angiography. We investigated clinical factors relevant to prolonged ST-segment elevation following RA among 152 patients with stable angina undergoing elective PCI. PCI procedures were divided into two strategies, RA without (primary RA strategy) or with (secondary RA strategy) balloon dilatation before RA. Incidence of prolonged ST-segment elevation after disappearance of slow-flow phenomenon was higher in the 56 patients with primary RA strategy (13
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关键词
Rotational atherectomy,Coronary artery disease,Coronary calcification,Percutaneous coronary intervention,Slow flow
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