Balloon OcclusionCatheterizationUrinary CatheterizationCatheters, IndwellingCathetersAngioplasty, BalloonEmbolization, TherapeuticCarotid Artery, InternalCollateral CirculationAngioplasty, Balloon, CoronaryCavernous SinusSuperior Sagittal SinusCarotid Artery DiseasesTreatment OutcomeIntracranial AneurysmStentsIntra-Aortic Balloon PumpingIntraoperative CareCatheterization, Central VenousCerebral AngiographyHemodynamicsGastric BalloonCardiac CatheterizationCoronary CirculationCoronary OcclusionTime FactorsOximesOrganotechnetium CompoundsTechnetium Tc 99m ExametazimeSwineIntracranial EmbolismMyocardial StunningCardiac CathetersCoronary VesselsMyocardial IschemiaCoronary AngiographyFollow-Up StudiesArteriovenous FistulaArterial Occlusive DiseasesIntraoperative ComplicationsRetinal Vein OcclusionCerebrovascular CirculationElectrocardiographyRetinal Artery OcclusionVena Cava, InferiorDogsCatheterization, PeripheralCentral Venous CathetersTomography, Emission-Computed, Single-PhotonDisease Models, AnimalCoronary DiseaseMyocardial InfarctionEquipment FailureProspective StudiesBlood Flow VelocityMyocardial ReperfusionTomography, X-Ray ComputedNeurologic ExaminationBalloon ValvuloplastyVentricular Function, LeftBlood PressureCarotid StenosisDental OcclusionContrast MediaUrinary CathetersConstriction, PathologicPreoperative CareEquipment DesignAngioplasty, Balloon, Laser-AssistedGraft Occlusion, VascularCatheter-Related InfectionsCarotid Artery InjuriesIliac ArteryInfarction, Middle Cerebral ArteryBrain IschemiaAngiographyFemoral ArteryRecurrenceVascular Access DevicesForeign-Body MigrationPulmonary Valve StenosisRetrospective StudiesConstrictionTunica IntimaMitral Valve StenosisFluoroscopyCatheterization, Swan-GanzFeasibility StudiesUltrasonography, InterventionalMesenteric Vascular OcclusionDilatationCarotid ArteriesVascular PatencyJugular VeinsRadiography, InterventionalCerebral InfarctionThrombosisCerebral ArteriesDental Occlusion, CentricSubclavian Vein