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中 文

科学研究

Abstract

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American College of Cardiology Clinical Expert Consensus Document on Standards for Acquisition, Measurement and Reporting of Intravascular Ultrasound Studies (IVUS). A report of the American College of Cardiology Task Force on Clinical Expert Consensus Documents Prior Balloon Valvuloplasty Versus Direct Transcatheter Aortic Valve Replacement: Results From the DIRECTAVI Trial Short-Term Progression of Multiterritorial Subclinical Atherosclerosis Intravascular Ultrasound and Angioscopy Assessment of Coronary Plaque Components in Chronic Totally Occluded Lesions Colchicine Reduces Cardiovascular Events in Chronic Coronary Disease Incidence and Outcomes of Surgical Bailout During TAVR : Insights From the STS/ACC TVT Registry Predictors of high residual gradient after transcatheter aortic valve replacement in bicuspid aortic valve stenosis Impact of Positive and Negative Lesion Site Remodeling on Clinical Outcomes : Insights From PROSPECT

Original Research

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无复流现象

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Pre-reading

2001年,Eeckhout和Kern将无复流现象(No-Flow Phenomenon)定义为冠状动脉循环中某一特定血管节段虽心肌灌注不足,但无机械性血管阻塞(mechanical vessel obstruction)冠状动脉造影证据。经皮冠状动脉介入治疗支架置入后在明确没有可见残余狭窄后,术者将首要关注冠状动脉血流,若发生无复流现象,或将进一步影响预后及左心室重构,增加不良心脏事件的风险。因此熟知可预防无复流现象的策略、药物(冠状动脉内注射腺苷intracoronary adenosine, 硝普钠nitropusside)和非药物(低体温法induced hypothermia)等干预法对提高介入质量、改善患者预后的重要性不言而喻。