Aneurysm, FalseBasilar ArteryFemoral ArteryCatheterization, PeripheralCarotid ArteriesEmbolization, TherapeuticCarotid Artery DiseasesCarotid Artery, InternalCarotid Artery, CommonCarotid StenosisArteriesCarotid Artery, ExternalVertebral ArteryEndarterectomy, CarotidCarotid Artery ThrombosisCerebral ArteriesVertebrobasilar InsufficiencyPulmonary ArteryCerebral AngiographyAngiographyRenal ArteryAneurysmStentsCarotid Artery, Internal, DissectionIatrogenic DiseaseMesenteric ArteriesCarotid Artery InjuriesTomography, X-Ray ComputedIliac ArteryAngiography, Digital SubtractionCarotid BodyTreatment OutcomeArterial Occlusive DiseasesHemostaticsTemporal ArteriesUltrasonography, Doppler, DuplexAneurysm, RupturedBrachial ArteryCarotid SinusTunica IntimaMagnetic Resonance AngiographyInjections, Intra-ArterialCoronary Artery BypassSubclavian ArteryMuscle, Smooth, VascularAneurysm, InfectedRadial ArterySubarachnoid HemorrhageCerebrovascular CirculationVasodilationSplenic ArteryIschemic Attack, TransientUltrasonography, Doppler, ColorIntracranial AneurysmHepatic ArteryMammary ArteriesTunica MediaMesenteric Artery, SuperiorVasoconstrictionMiddle Cerebral ArteryCineradiographyTime FactorsBlood Vessel Prosthesis ImplantationBrain Stem InfarctionsAngioplasty, BalloonRetrospective StudiesCarotid Intima-Media ThicknessArteriovenous FistulaAngioplastyCatheterizationVasospasm, IntracranialHemostatic TechniquesOphthalmic ArteryCircle of WillisArteriosclerosisFollow-Up StudiesCoronary VesselsBrain IschemiaUltrasonographyIntracranial ArteriosclerosisUltrasonography, Doppler, TranscranialCerebrovascular DisordersVasodilator AgentsWeaponsEndothelium, VascularStrokeDogsUltrasonography, InterventionalHead Injuries, PenetratingIntracranial Embolism and ThrombosisEndarterectomyCerebral InfarctionEndovascular ProceduresRupture, SpontaneousPostoperative ComplicationsVascular Surgical ProceduresProspective StudiesBlood Vessel ProsthesisBlood PressureRisk Factors