64层螺旋ct冠状动脉成像和冠状动脉造影的对比.研究

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1、英文摘要Comparativestudybetween64一slicespiralCTcoronaryangiographyandcoronaryangiographyABSTRACTWiththedevelopmentoflivingstandardandlivinghabits，coronaryarterydiseasehasbeenthemostfrequentcauseofmorbidityandmortality．SofarCoronaryAngiographyisstillthegoldstandardforth

2、eassessmentofcoronaryarterydisease(CAD)．However,thetechniqueiS1imitedbyitsinvasivecharacteristicsandrelatedcomplications．Sincethemajorityofalldiagnosticinvasivecoronaryangiographiesarenotfollowedbytherapeuticinterventions，thereisagrowinginterestinnon_invasivetechno

3、logiestovisualizecoronaryarterytreeandtodiagnoseCAD．Recently，withthedevelopmentofCTequipmentandexplorationofsoftware，scanspeedhasbeengreatlyincreased．Movementorganmaybeclearlyimaged．Multi’slicehelicalCT(MSCT)coronaryarteryangiographyhasbeenakey—pointofpresentradiol

4、ogicalstudy．MSCTsystemsprovidesforroutinesub—millimetercardiacimagingatshortbreath—holdtimes．Evenwithremarkableresultsreportedonthediagnosticaccuracyofthisscannergeneration，however,anumberoflimitationsremained，hinderingthefullacceptanceofthispromisingnoninvasivetec

5、hnologyasanestablisheddiagnostict001intheroutineclinicalworkupofCAD．64一MSCTsystemimprovesdatasamplingalongthez—axis．By4英文摘要theway,spatialresolutioninthelongitudinaldirectionisincreased．Inthisclinicalstudy,wetrytodefinetheclinicalvalueof64·MSCTcoronaryangiography(64

6、SCTCA)andtoinvestigatethefactorsthatcouldinfluencethequalityofcoronaryangiography．Objective：Toevaluatetheaccuracyandfeasibilityof64一slicespiralCT(64SCT)fordiagnosingthestenosisinthecoronaryarteriesbytakingcoronaryangiography(CAG)asthereferences．Methods：Weretrospect

7、ivelycollectedthecoronaryarteryimagingdataof100patientsundergoing64一slicespiralCT(64SCT)andconventionalcoronaryangiography(CAG)duringJune2007andDecember2008，100caseshavenostents．The100patient【68male，32female；meanage(59．85+10．4)years]withnostentunderwentcoronaryangi

8、ographyand64一sliceCT(GELightSpeedVCT,GE，U．S．A．)．Themeantimespanbetweencoronaryangiography(CAG)andCTAwaslmonth．Evaluationofrightcoronaryartery(RCA