AngiographyTomography, X-Ray ComputedCoronary AngiographyCerebral AngiographyMagnetic Resonance AngiographyAngiography, Digital SubtractionMultidetector Computed TomographyTomography, Spiral ComputedCoronary StenosisFluorescein AngiographyCoronary Artery DiseaseRadiographic Image Interpretation, Computer-AssistedContrast MediaIopamidolPredictive Value of TestsSensitivity and SpecificityAortographyImaging, Three-DimensionalRadiographic Image EnhancementIntracranial AneurysmTomographyCardiac-Gated Imaging TechniquesRadiation DosageObserver VariationTomography, Optical CoherencePositron-Emission TomographyReproducibility of ResultsCerebral Arterial DiseasesTomography, Emission-Computed, Single-PhotonRetrospective StudiesProspective StudiesPlaque, AtheroscleroticVascular CalcificationImage Processing, Computer-AssistedTreatment OutcomeRadionuclide AngiographyEmbolization, TherapeuticSeverity of Illness IndexEndoleakStentsRadiography, Dual-Energy Scanned ProjectionPutaminal HemorrhageConstriction, PathologicCoronary VesselsArterial Occlusive DiseasesFractional Flow Reserve, MyocardialCalcinosisChest PainCarotid Artery, InternalTomography, Emission-ComputedAneurysm, RupturedFollow-Up StudiesSubarachnoid HemorrhageCeliac ArteryTime FactorsAneurysm, FalseMyocardial Perfusion ImagingBlood Vessel Prosthesis ImplantationCerebral ArteriesEndovascular ProceduresHematomaVascular PatencyUltrasonography, InterventionalGraft Occlusion, VascularIntracranial Arteriovenous MalformationsArtifactsAortic Aneurysm, AbdominalCarotid StenosisBlood Vessel ProsthesisUltrasonography, Doppler, DuplexRisk AssessmentFeasibility StudiesROC CurveProsthesis DesignElectrocardiographyTomography, OpticalCarotid Artery DiseasesCoronary Vessel AnomaliesAneurysm, DissectingIohexolMyocardial RevascularizationCoronary DiseaseTakayasu ArteritisVertebral ArteryCone-Beam Computed TomographyMyocardial InfarctionRisk FactorsPrognosisAortic AneurysmAortic Aneurysm, ThoracicPreoperative CareMagnetic Resonance ImagingCarotid ArteriesIndocyanine GreenElectron Microscope TomographyAcute DiseaseVascular Surgical ProceduresNeurosurgical ProceduresCoronary Artery BypassVertebrobasilar Insufficiency