·I临床探讨·体表心电图与冠脉320CT2012年3月第50卷第9期对冠心病的诊断价值探讨谢文刚1黄芝芹2李屏,刘一琴41.贵州省黔西南州人民医院心内科,贵州兴义562400;2.贵州省安龙县人民医院急诊科,贵州安龙552400;3.贵阳医学院附属医院心内科,贵州贵阳550004;4.贵阳医学院附属医院综合病房,贵州贵阳550004【摘要】目的探讨体表心电图与320CT冠状动脉成像在冠心病诊断中的应用价值。方法根据临床症状疑诊冠心病的患者80例,进行心电图和320CT检查,并对两组结果进行对比分析。结果ECG异常59例,占71.3%,320CT异常46例,占57.5%,两组比较差异有统计学意义(P<0.05);以320CT为参考标准,ECG的敏感性为82.6%,特异性为38.2%。结论体表心电图能够诊断大多数冠心病,敏感度较高,但特异度低,必须全面分析患者资料,以减少冠心病的误诊;对疑诊冠心病患者应尽早进行320CT检查,将ECG和320CT这两种检查相结合进行判断,可使冠心病的治疗更具有针对性。【关键词】体表心电图;320CT冠状动脉成像;冠心痛【中图分类号】R541.4【文献标识码】B[文章编号】1673—9701(2012)09—0138—02Diagnosticvalueofsurfaceelectrocardiogramand320-·slicecomputerto--mographycoronaryarteryimagingoncoronaryarterydiseaseX/EWenganfHUANGZhiqin2LInn毒LIUYiqin41.DepartmentofCardiology,QianxinanZhouPeople'sHospitalofGuizhouProvince,Xingyi562400,China;2.Depart-mentofEmergency,AnlongCountyPeople"sHospital,Anlong552400,China;3.DepartmentofCardiology,theAffiliatedHospitalofGuiyangMedicalCollege,Guiyang550004,China;4.IntegratedDepartment,AffiliatedHospitalofGuiyangMedicalCollege,Guiyang550004,China【Abstract】ObjectiveToinvestigatethesurfaceelectrocardiogramand320CTinthevalueofthediagnosisofcoronaryheartdisease.MethodsAccordingtoclinicalsymptomsinpatientswithsuspectedcoronaryarterydiseasediagnosed80casesthatmadethe320CTandECGcheckandresultsoftwogroupswerecompared.ResultsTheelectrocardiogramab-normalitiesin57casesaccountfor71.3%,the320CTabnormalitiesaccountedfor57.5%of46patients,twogroupshadsignificantdifference(P(O.05);TheECGsensitivitywas82.6%andspecificitywas38.2%whichtook320CTasstandard.ConclusionThesurfaceECGcandiagnosemostofcoronaryheartdisease,highlysensitivitybutlowlyspecificity,andthedataofpatientmustbeacomprehensiveanalysisinordertoreducemisdiagnosisofcoronaryheartdisease;Itshouldbe320CTinspectionearlyforsuspectedcoronaryheartdiseaseofpatients.BoththeECGandthe320CTtestresultscanmoretargettreatmentofcoronaryheartdisease.【Keywords】Surfaceelectrocardiogram;320CTcoronaryarteryimaging;Coronaryheartdisease冠心病(CHD)严重危害人类健康,且有年青化发展趋势,因而及早诊断并进行相应治疗有着极为重要的临床意义。目前,导管法冠脉造影的病人行介人治疗的比例仍较低,因此.寻求一种有效的无创性的冠状动脉检查方法一直是医学界追求的目标。320CT冠状动脉成像作为无创性检查,是评估冠脉血管病变较好的选择,对冠心病诊断总体水平相当高.有取代传统冠脉造影的趋势『L2I。然而,体表ECG作为诊断冠心病的基石,仍然是临床上最常用的检查手段,同时还可对患者进行危险分层,帮助判断急诊PCI罪犯血管。本研究旨在探讨12导联心电图改变和320CT冠状动脉成像对疑诊冠心病患者的诊断价值。1对象与方法1.1研究对象选择笔者所在医院2010年l~12月根据临床表现疑诊138中国现代医生CHINAMODERNDOCTOR冠心病、接受ECG及冠脉320CT检查的患者80例。心电冈异常改变59例:其中单纯ST段改变7例,ST段改变合并T波改变34例,单纯T波改变18例:无异常21例。其中男55例,女35例,平均年龄(64.7±10.9)岁。1.2观察方法1.2.1ECG常规12导联ECG均采集于患者住院期间胸痛或胸闷发作时。心电图异常标准为:①ST段水平或下斜型压低≥0.05mV...