Intracranial AneurysmAneurysmAneurysm, InfectedAortic AneurysmHeart AneurysmAortic Aneurysm, ThoracicAneurysm, DissectingIliac AneurysmEmbolization, TherapeuticCoronary AneurysmFactor VaBlood Vessel Prosthesis ImplantationCerebral AngiographyAortic RuptureAneurysm, FalseBlood Vessel ProsthesisAorta, AbdominalSubarachnoid HemorrhageTomography, X-Ray ComputedEndovascular ProceduresAngiography, Digital SubtractionAortographyVascular Surgical ProceduresTreatment OutcomeSurgical InstrumentsStentsAngiographyPostoperative ComplicationsProsthesis DesignFollow-Up StudiesAnterior Cerebral ArteryRetrospective StudiesCarotid Artery, InternalIliac ArteryNeurosurgical ProceduresEndoleakAortitisPlatinumVertebral ArteryCarotid Artery DiseasesPolyethylene TerephthalatesSplenic ArteryAngioplastyReoperationBalloon OcclusionImaging, Three-DimensionalRenal ArterySinus of ValsalvaTime FactorsPancreatic ElastaseCerebral ArteriesDilatation, PathologicRetreatmentUnited States Department of Veterans AffairsPosterior Cerebral ArteryCeliac ArteryBasilar ArteryAnastomosis, SurgicalMesenteric Artery, SuperiorMarfan SyndromeProsthesis FailureForeign-Body MigrationCircle of WillisRisk FactorsCraniotomyEquipment DesignMicrosurgerySubclavian ArteryVertebral Artery DissectionCerebral RevascularizationRisk AssessmentAorta, ThoracicMucocutaneous Lymph Node SyndromePopliteal ArteryVascular FistulaRadiography, InterventionalModels, CardiovascularCarotid Artery, Internal, DissectionRecurrenceMechanical ThrombolysisIncidental FindingsArteriovenous FistulaMesenteric Artery, InferiorThrombosisAortic DiseasesProspective StudiesFemoral ArteryGlasgow Outcome ScaleFatal OutcomeCoated Materials, BiocompatiblePolytetrafluoroethyleneVascular PatencyIntracranial ThrombosisTomography, Spiral ComputedIntracranial Arteriovenous MalformationsLigationElastinCerebral HemorrhageVeteransFeasibility Studies