Basilar ArteryIntracranial AneurysmAneurysmMiosisEmbolization, TherapeuticAneurysm, RupturedArteriesAneurysm, InfectedCoronary AneurysmSplenic ArteryCerebral AngiographyIliac AneurysmVertebral ArteryRenal ArteryCerebral ArteriesSubarachnoid HemorrhageVertebrobasilar InsufficiencyAortic AneurysmTomography, X-Ray ComputedPulmonary ArteryCarotid Artery, InternalFemoral ArteryCarotid ArteriesIliac ArteryBlood Vessel Prosthesis ImplantationAneurysm, DissectingAngiography, Digital SubtractionCarotid Artery DiseasesAortic Aneurysm, ThoracicTreatment OutcomePopliteal ArteryHeart AneurysmSubclavian ArteryCeliac ArteryMesenteric ArteriesVascular Surgical ProceduresAngiographyHepatic ArteryMesenteric Artery, SuperiorAneurysm, FalseEndovascular ProceduresStentsBlood Vessel ProsthesisAnterior Cerebral ArteryCoronary Artery BypassBronchial ArteriesPosterior Cerebral ArteryRadial ArteryMagnetic Resonance AngiographyOphthalmic ArteryMucocutaneous Lymph Node SyndromeCircle of WillisMiddle Cerebral ArteryArterial Occlusive DiseasesMammary ArteriesVasospasm, IntracranialSurgical InstrumentsRetrospective StudiesFollow-Up StudiesBrain Stem InfarctionsCarotid Artery, CommonBrachial ArteryAorta, AbdominalVasodilationUlnar ArteryRupture, SpontaneousCranial Fossa, PosteriorTemporal ArteriesCoronary VesselsTime FactorsVasoconstrictionAortographyAortic RuptureMuscle, Smooth, VascularPostoperative ComplicationsVascular PatencyNeurosurgical ProceduresVertebral Artery DissectionCarotid Artery, Internal, DissectionCoronary AngiographyAxillary ArteryLigationCerebrovascular CirculationMagnetic Resonance ImagingMesenteric Artery, InferiorRenal Artery ObstructionDilatation, PathologicOculomotor Nerve DiseasesCarotid Artery, ExternalDogsVasodilator AgentsMeningeal ArteriesAngioplastyProsthesis DesignThoracic ArteriesAnastomosis, SurgicalConstriction, PathologicCerebral RevascularizationUmbilical ArteriesViscera