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1、·1158·中国医学影像技术2007年第23卷第8期ChinJMedImagingTechnol,2007,Vol23,No8Comparisonbetweenselectivemyocardiumcontrastechocardiographyandmyocardiumblushscoreonthemyocardiumperfusionafterpercutaneouscoronaryintervention11*1223FANGFang,LIZhi-an,YANGYa,TIANFeng,CHENYun-dai,LUZhao-ling
2、(1.DepartmentofUltrasound,2.DepartmentofCardiology,BeijingAnzhenHospital,AffiliatedtoCapitalMedicalUniversity,Beijing100029,China;3.BeijingUnitedFamilyHospital,Beijing101312,China)[Abstract]ObjectiveToexplorethemyocardiumperfusionimprovementafterpercutaneouscoronaryinter
3、vention(PCI)byselectivemyocardiumcontrastechocardiography(MCE)andmyocardiumblushgrade(MBG)andcomparethetwodiffer-entmethodsinassessingthetissueperfusionafterPCI.MethodsMBGandintracoronyMCEwereperformedbeforeandaf-terPCIin24patientswithsuccessfulPCI(TIMIIIIflowachievedine
4、picardialartery).Bothleftventricleejectionfractions(LVEF)aswellaspeaksystolicvelocityoftheischemicsegmentsweremeasuredbeforeand5daysafterPCIwith2Decho-cardiographyandtissueDopplerimaging(TDI).ResultsMyocardiumperfusionimprovedsignificantlyafterPCIweredem-onstratedbyMCEan
5、dMBG.LVEFandsegmentalpeaksystolicvelocitywerealsosignificantlyimproved.MCE(r=0.77,P<0.001)bettercorrelatedwithimprovementinLVEF5daysafterPCIthanMBG(r=0.14,P>0.05).ROCresultre-vealedthatsegmentalperfusionevaluatedbyMCEafterPCIcouldpredictthesegmentalpeaksystolicvelocity(s
6、ensitivity:82%,specificity:80%,P<0.001).ConclusionBothMCEandMBGcanrevealtheperfusionstatusofmyocardium.Intra-coronaryMCEcanaccuratelyquantitymyocardiumperfusionandpredictshort-termregionalwallsystolicfunctionsimultane-ously.IntracoronaryMCEhasbetterclinicalapplicationval
7、uecomparedwithMBG.[Keywords]Selectivemyocardiumcontrastechocardiography;Percutaneouscoronaryintervention;Myocardiumblushgrade;Myocardiumperfusion选择性心肌声学造影与心肌显色分级评价冠状动脉介入后心肌灌注的对比研究11*1223房芳,李治安,杨娅,田峰,陈韵岱,陆兆龄(1.北京首都医科大学附属安贞医院超声诊断科,2.心内科,北京100029;3.北京和睦家医院,北京101312)[摘要]目的应用
8、选择性心肌超声造影(MCE)及心肌显色分级(MBG分级)评价冠状动脉介入治疗(PCI)后病变心肌灌注情况,并对两种评价方法做出比较。方法24例PCI成功开通冠状动脉的冠心病患者,于PCI前后分别采用MBG分
