Mesenteric Artery, SuperiorMesenteric Artery, InferiorAneurysmMesenteric ArteriesAneurysm, RupturedSuperior Mesenteric Artery SyndromeMesenteric Vascular OcclusionIntracranial AneurysmCeliac ArteryArteriesCoronary VesselsCoronary Artery DiseaseCoronary Artery BypassSplenic ArteryCoronary AngiographyRenal ArteryCoronary AneurysmTomography, X-Ray ComputedSplanchnic CirculationAneurysm, InfectedDuodenostomyPulmonary ArteryEmbolization, TherapeuticAngiographyTreatment OutcomeCoronary CirculationHepatic ArteryFemoral ArteryCerebral ArteriesBlood Vessel Prosthesis ImplantationStentsAneurysm, DissectingVasodilationIliac AneurysmIliac ArteryCarotid ArteriesCoronary DiseaseBasilar ArteryAortic AneurysmVasoconstrictionVascular Surgical ProceduresMuscle, Smooth, VascularMesenteric VeinsVertebral ArteryCoronary StenosisCarotid Artery, InternalAneurysm, FalseAngioplasty, Balloon, CoronaryCerebral AngiographyVasodilator AgentsTime FactorsAortic Aneurysm, ThoracicCarotid Artery DiseasesEndovascular ProceduresSubclavian ArteryEndothelium, VascularVasoconstrictor AgentsAorta, AbdominalFollow-Up StudiesMammary ArteriesRadial ArteryBlood Vessel ProsthesisConstriction, PathologicPopliteal ArteryRetrospective StudiesAngiography, Digital SubtractionHeart AneurysmVisceraIschemia