Balloon OcclusionAngioplasty, BalloonCatheterizationAngioplasty, Balloon, Laser-AssistedAngioplasty, Balloon, CoronaryStentsCoronary AngiographyCoronary DiseaseTreatment OutcomeFollow-Up StudiesRecurrenceEmbolization, TherapeuticCarotid Artery, InternalCollateral CirculationCavernous SinusSuperior Sagittal SinusCarotid Artery DiseasesIntracranial AneurysmIntra-Aortic Balloon PumpingIntraoperative CareCerebral AngiographyGastric BalloonHemodynamicsOximesCoronary CirculationOrganotechnetium CompoundsTechnetium Tc 99m ExametazimeTime FactorsCoronary OcclusionIntracranial EmbolismMyocardial StunningSwineMyocardial IschemiaCoronary VesselsArterial Occlusive DiseasesArteriovenous FistulaRetinal Vein OcclusionCerebrovascular CirculationRetinal Artery OcclusionIntraoperative ComplicationsCardiac CatheterizationTomography, Emission-Computed, Single-PhotonVena Cava, InferiorDogsDisease Models, AnimalElectrocardiographyMyocardial InfarctionTomography, X-Ray ComputedMyocardial ReperfusionBlood Flow VelocityNeurologic ExaminationBalloon ValvuloplastyProspective StudiesCarotid StenosisDental OcclusionContrast MediaVentricular Function, LeftBlood PressurePreoperative CareConstriction, PathologicGraft Occlusion, VascularInfarction, Middle Cerebral ArteryBrain IschemiaCarotid Artery InjuriesIliac ArteryAngiographyPulmonary Valve StenosisFemoral ArteryConstrictionTunica IntimaMitral Valve StenosisMesenteric Vascular OcclusionRetrospective StudiesCerebral InfarctionCerebral ArteriesDental Occlusion, CentricTherapeutic OcclusionCarotid ArteriesVascular PatencyDilatation