王保国,荣春妍,刘秀清,王祥,王琳,张尉华

• 1:吉林大学第一医院心血管内科

摘要(Abstract)：

冠状动脉竞争性逆向血流（CCRF），也被称为“假血栓”，是冠状动脉造影过程中见到的一种血栓样充盈缺损现象，主要因为上游冠状动脉的严重狭窄或次全闭塞以及对侧良好侧支循环的建立。因冠状动脉中度狭窄而引起的CCRF现象少见，本文介绍1例由于冠状动脉中度狭窄引起的CCRF病例，以提高临床医师对此类现象的认识。

关键词(KeyWords)： 冠状动脉侧支循环;逆向竞争血流;冠状动脉中度狭窄

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 王保国,荣春妍,刘秀清,王祥,王琳,张尉华

参考文献(References)：

• [1] Mouhayar EN,Blankenship JC,Fenster BD,et al.Coronary artery"pseudothrombus"due to collateral flow artifact distal to left circumflex coronary stenosis[J].J Interv Cardiol,2002,15(5):425-429;discussion 429-430.DOI:10.1111/j.1540-8183.2002.tb01081.x.
• [2]王颖东,黄榕翀.冠状动脉侧支循环形成机制及评估方法[J].中国介入心脏病学杂志,2021,29(4):227-231.DOI:10.3969/j.issn.1004-8812.2021.04.010.
• [3]Li M,Liu S,Zhang J,et al.Coronary competitive reverse flow:imaging findings at CT angiography and correlation with invasive coronary angiography[J].J Cardiovasc Comput Tomogr,2015,9(3):202-208.DOI:10.1016/j.jcct.2015.01.017.
• [4]Li M,Zhang J,Pan J,et al.Obstructive coronary artery disease:reverse attenuation gradient sign at CT indicates distal retrograde flow--a useful sign for differentiating chronic total occlusion from subtotal occlusion[J].Radiology,2013,266(3):766-772.DOI:10.1148/radiol.12121294.
• [5] Choi JH,Min JK,Labounty TM,et al.Intracoronary transluminal attenuation gradient in coronary CT angiography for determining coronary artery stenosis[J].JACC Cardiovasc Imaging,2011,4(11):1149-1157.DOI:10.1016/j.jcmg.2011.09.006.
• [6]Li Y,Zhang J,Lu Z,et al.Discrepant findings of computed tomography quantification of minimal lumen area of coronary artery stenosis:correlation with intravascular ultrasound[J].Eur J Radiol,2012,81(11):3270-3275.DOI:10.1016/j.ejrad.2012.03.010.
• [7]宋雷,张晗,杨跃进.血管内超声在慢性完全闭塞病变介入治疗中的价值[J].中国介入心脏病学杂志,2021,29(9):515-519.DOI:10.3969/j.issn.1004-8812.2021.09.007.
• [8] Ladwiniec A,Cunnington MS,Rossington J,et al.Collateral donor artery physiology and the influence of a chronic total occlusion on fractional flow reserve[J].Circ Cardiovasc Interv,2015,8(4):e002219.DOI:10.1161/CIRCINTERVENTIONS.114.002219.
• [9] Uhlemann M,Adams V,Lenk K,et al.Impact of different exercise training modalities on the coronary collateral circulation and plaque composition in patients with significant coronary artery disease(EXCITE trial):study protocol for a randomized controlled trial[J].Trials,2012,13:167.DOI:10.1186/1745-6215-13-167.
• [10]Neumann FJ,Sousa-Uva M,Ahlsson A,et al.2018 ESC/EACTS guidelines on myocardial revascularization[J].Eur Heart J,2019,40(2):87-165.DOI:10.1093/eurheartj/ehy394.