To the Editor:The coronary slow flow phenomenon(CSFP)was first reported by Tambe et al in 1972.[1]Specifically,patients suffering from chest pain but without significant coronary artery lesion,displayed slow coronary ...To the Editor:The coronary slow flow phenomenon(CSFP)was first reported by Tambe et al in 1972.[1]Specifically,patients suffering from chest pain but without significant coronary artery lesion,displayed slow coronary blood flow during coronary angiography examination,which could lead to myocardial ischemia,acute myocardial infarction,and acute coronary syndrome.The development of CSFP has been reported to be around 7%in patients with suspected coronary heart disease.[2]The common clinical symptoms during CSFP include slow opacification of distal parts of normal epicardial coronary arteries in the absence of ventricular dysfunction,connective tissue disorder,valvular heart diseases,and coronary spasm or ectasia.Nowadays,the identification of the CSFP is achieved through coronary angiography by thrombolysis in myocardial infarction(TIMI)flow grade.The corrected TIMI frame count(CTFC)is a very common,simple,and repeatable method used for the quantification of the coronary flow.[3]展开更多
基金by a grant from the Jinshan Health and Family Planning Commission(KJ-KTQN-2017-10)。
文摘To the Editor:The coronary slow flow phenomenon(CSFP)was first reported by Tambe et al in 1972.[1]Specifically,patients suffering from chest pain but without significant coronary artery lesion,displayed slow coronary blood flow during coronary angiography examination,which could lead to myocardial ischemia,acute myocardial infarction,and acute coronary syndrome.The development of CSFP has been reported to be around 7%in patients with suspected coronary heart disease.[2]The common clinical symptoms during CSFP include slow opacification of distal parts of normal epicardial coronary arteries in the absence of ventricular dysfunction,connective tissue disorder,valvular heart diseases,and coronary spasm or ectasia.Nowadays,the identification of the CSFP is achieved through coronary angiography by thrombolysis in myocardial infarction(TIMI)flow grade.The corrected TIMI frame count(CTFC)is a very common,simple,and repeatable method used for the quantification of the coronary flow.[3]