Basilar ArteryAneurysm, FalseFemoral ArteryArteriesVertebrobasilar InsufficiencyCatheterization, PeripheralVertebral ArteryIatrogenic DiseaseCerebral ArteriesEmbolization, TherapeuticAngiographyHemostaticsAneurysmCerebral AngiographyRenal ArteryAneurysm, InfectedAneurysm, RupturedPulmonary ArteryCineradiographyCarotid ArteriesSubarachnoid HemorrhageBrain Stem InfarctionsTomography, X-Ray ComputedInjections, Intra-ArterialCarotid Artery, InternalTemporal ArteriesWeaponsIliac ArteryVasospasm, IntracranialMesenteric ArteriesHemostatic TechniquesTreatment OutcomeArteriovenous FistulaStentsHead Injuries, PenetratingHeart RuptureAngiography, Digital SubtractionSplenic ArteryVasodilationMesenteric Artery, SuperiorBrachial ArteryCarotid Artery InjuriesHepatic ArteryVasoconstrictionUltrasonography, InterventionalBlood Vessel Prosthesis ImplantationWounds, StabIntracranial AneurysmMuscle, Smooth, VascularUltrasonography, Doppler, ColorRetrospective StudiesEndovascular ProceduresCoronary Artery BypassMelenaRupture, SpontaneousAortographyRadial ArteryArterial Occlusive DiseasesMammary ArteriesHeart AneurysmEnbucrilateVasodilator AgentsWounds, NonpenetratingMagnetic Resonance AngiographyDogsCarotid Artery DiseasesWounds, PenetratingSerotoninNeck InjuriesSubclavian ArteryAortic AneurysmCerebrovascular CirculationThrombinUltrasonography, Doppler, DuplexVascular Surgical ProceduresBlood Vessel ProsthesisMiddle Cerebral ArteryVisceraGroinTime FactorsHematemesisFollow-Up StudiesRadiography, InterventionalPotassium ChloridePapaverineCircle of WillisCoronary VesselsMuscle ContractionPancreatic PseudocystVascular GraftingVasoconstrictor AgentsCarotid Artery, CommonPicolinesSumatriptanPostoperative ComplicationsRabbitsCarotid-Cavernous Sinus FistulaAcetylcholineEndothelium, VascularCatheterization