Balloon OcclusionDisseminated Intravascular CoagulationCatheterizationAngioplasty, BalloonEmbolization, TherapeuticCarotid Artery, InternalUltrasonography, InterventionalAngioplasty, Balloon, CoronaryCollateral CirculationCavernous SinusStentsSuperior Sagittal SinusCarotid Artery DiseasesCoronary VesselsIntracranial AneurysmTreatment OutcomeCoronary AngiographyIntra-Aortic Balloon PumpingIntraoperative CareHemodynamicsCerebral AngiographyCoronary CirculationGastric BalloonCoronary OcclusionTime FactorsOximesSwineOrganotechnetium CompoundsTechnetium Tc 99m ExametazimeIntracranial EmbolismMyocardial IschemiaMyocardial StunningArterial Occlusive DiseasesFollow-Up StudiesCerebrovascular CirculationCardiac CatheterizationArteriovenous FistulaRetinal Vein OcclusionVena Cava, InferiorCoronary DiseaseIntraoperative ComplicationsRetinal Artery OcclusionDogsDisease Models, AnimalTomography, Emission-Computed, Single-PhotonMyocardial InfarctionBlood Flow VelocityElectrocardiographyTomography, X-Ray ComputedMyocardial ReperfusionContrast MediaConstriction, PathologicNeurologic ExaminationProspective StudiesBlood PressureBalloon ValvuloplastyCarotid StenosisGraft Occlusion, VascularAngioplasty, Balloon, Laser-AssistedDental OcclusionVentricular Function, LeftVascular NeoplasmsTunica IntimaIliac ArteryCoronary Artery DiseasePreoperative CareFemoral ArteryAngiographyInfarction, Middle Cerebral ArteryBrain IschemiaCarotid Artery InjuriesThrombosisHyperplasiaCoronary RestenosisRecurrenceCathetersPlaque, AtheroscleroticCoronary StenosisAtherectomy, CoronaryPulmonary Valve StenosisVascular PatencyCerebral ArteriesCarotid ArteriesConstrictionMitral Valve StenosisCerebral InfarctionMesenteric Vascular OcclusionRetrospective StudiesRabbitsBeta ParticlesNeointimaDental Occlusion, CentricFeasibility StudiesRegional Blood FlowTherapeutic OcclusionAngioscopyCarotid Artery ThrombosisDilatationIschemiaBlood Volume