Balloon OcclusionAngiographyCatheterizationCoronary AngiographyCerebral AngiographyAngioplasty, BalloonMagnetic Resonance AngiographyEmbolization, TherapeuticAngiography, Digital SubtractionCarotid Artery, InternalCollateral CirculationAngioplasty, Balloon, CoronaryIntracranial AneurysmCavernous SinusCoronary VesselsCarotid Artery DiseasesTomography, X-Ray ComputedStentsSuperior Sagittal SinusBlood VesselsTreatment OutcomeFluorescein AngiographyContrast MediaCoronary CirculationArterial Occlusive DiseasesIntra-Aortic Balloon PumpingTime FactorsHemodynamicsArteriovenous FistulaIntraoperative CareCoronary OcclusionFollow-Up StudiesCoronary DiseaseOrganotechnetium CompoundsMyocardial IschemiaGastric BalloonCerebrovascular CirculationIntracranial EmbolismCardiac CatheterizationOximesTechnetium Tc 99m ExametazimeTomography, Emission-Computed, Single-PhotonSwineMyocardial InfarctionMyocardial StunningBlood Flow VelocityElectrocardiographyRetinal Vein OcclusionCarotid StenosisProspective StudiesRetinal Artery OcclusionConstriction, PathologicIntraoperative ComplicationsVena Cava, InferiorDisease Models, AnimalDogsRetinal VesselsCoronary Artery DiseaseCoronary StenosisMyocardial ReperfusionCerebral ArteriesNeurologic ExaminationGraft Occlusion, VascularPreoperative CareRadionuclide AngiographyLymphatic VesselsSensitivity and SpecificityVentricular Function, LeftBlood PressureImaging, Three-DimensionalIliac ArteryRetrospective StudiesFemoral ArteryBalloon ValvuloplastyBrain IschemiaCarotid ArteriesAngioplasty, Balloon, Laser-AssistedVascular PatencyDental OcclusionUltrasonography, InterventionalVertebral ArteryPredictive Value of TestsRecurrenceTomography, Spiral ComputedInfarction, Middle Cerebral ArteryVertebrobasilar InsufficiencyIntracranial Arteriovenous MalformationsAneurysm, RupturedCerebral InfarctionCarotid Artery InjuriesCerebral Arterial DiseasesFeasibility StudiesImage Processing, Computer-AssistedArteriesIschemiaTunica IntimaRegional Blood FlowReproducibility of ResultsMesenteric Vascular OcclusionIschemic Attack, Transient