简介：Recentdevelopmentsinthenovelimagingtechnologyofcardiaccomputedtomography(CT)notonlypermitdetailedassessmentofcardiacanatomybutalsoprovideinsightintocardiovascularphysiology.Foremost,coronaryCTangiography(CCTA)enablesdirectnoninvasiveexaminationofbothcoronaryarterystenosesandatheroscleroticplaquecharacteristics.CalculationofcomputationalfluiddynamicsbycardiacCTallowsthenoninvasiveestimationoffractionalflowreserve,whichincreasesthediagnosticaccuracyfordetectionofhemodynamicallysignificantcoronaryarterydisease.Inaddition,acombinationofmyocardialCTperfusionandCCTAcanprovidesimultaneousanatomicalandfunctionalassessmentofcoronaryarterydisease.Finally,detailedanatomicalevaluationofatrial,ventricular,andvalvularanatomyprovidesdiagnosticinformationandguidanceforproceduralplanning,suchasfortranscatheteraorticvalvereplacement.TheclinicalapplicationsofcardiacCTwillbeextendedwiththedevelopmentofthesenovelmodalities.

简介：Invasivefractionalflowreserve(FFR)measurementiscurrentlythegoldstandardforcoronaryintervention.FFRmeasurementbycoronarycomputedtomographyangiography(FFRCT)isanovelandpromisingimagingtechnologythatpermitsnoninvasiveassessmentofphysiologicallysignificantcoronarylesions.FFRCTiscapableofcombiningtheanatomicinformationprovidedbycoronarycomputedtomographyangiographywithcomputationalfluiddynamicstocomputeFFR.Todate,severalstudieshavereportedthediagnosticperformanceofFFRCTcomparedwithinvasiveFFRmeasurementasthereferencestandard.FurtherstudiesarenowbeingimplementedtodeterminetheclinicalfeasibilityandeconomicimplicationsofFFRCTtechniques.ThisarticleprovidesanoverviewanddiscussestheavailableevidenceaswellaspotentialfuturedirectionsofFFRCT.

简介：

简介：