Intracranial AneurysmSubarachnoid HemorrhageAneurysm, RupturedAneurysmSubarachnoid SpaceEmbolization, TherapeuticCerebral AngiographyAngiography, Digital SubtractionAneurysm, InfectedVasospasm, IntracranialSurgical InstrumentsAortic AneurysmRupture, SpontaneousMagnetic Resonance AngiographyTomography, X-Ray ComputedHeart AneurysmAortic Aneurysm, ThoracicAneurysm, DissectingCerebral ArteriesNeurosurgical ProceduresEndovascular ProceduresTreatment OutcomeMechanical ThrombolysisGlasgow Outcome ScaleBasilar ArteryImaging, Three-DimensionalIliac AneurysmCarotid Artery, InternalCoronary AneurysmBlood Vessel ProsthesisStentsPlatinumBlood Vessel Prosthesis ImplantationFollow-Up StudiesVascular Surgical ProceduresPosterior Cerebral ArteryBalloon OcclusionRetrospective StudiesRetreatmentAneurysm, FalseAortic RuptureMicrosurgeryAnterior Cerebral ArteryIntracranial ThrombosisCircle of WillisPostoperative ComplicationsCraniotomyCerebral HemorrhageAngiographyVertebral ArteryCerebral RevascularizationEquipment DesignAorta, AbdominalRisk FactorsIntracranial Arteriovenous MalformationsCarotid Artery DiseasesEquipment Failure AnalysisRecurrenceTime FactorsAortographyCoated Materials, BiocompatibleProspective StudiesCerebrovascular CirculationIschemic Attack, TransientIntraoperative ComplicationsNeurologic ExaminationPancreatic ElastaseSensitivity and SpecificitySubarachnoid Hemorrhage, TraumaticMagnetic Resonance ImagingModels, CardiovascularCisterna MagnaImage Processing, Computer-AssistedHydrocephalusProsthesis DesignSpinal PunctureIncidental FindingsArachnoidProstheses and ImplantsPolyvinylsLoeys-Dietz SyndromeMarfan SyndromeCarotid Artery, Internal, DissectionOphthalmic ArteryMiddle Cerebral ArteryForeign-Body MigrationGlasgow Coma ScaleFeasibility StudiesHematoma, Subdural, AcuteBrain Hemorrhage, TraumaticRadiography, InterventionalContrast MediaIncidenceAminocaproatesRisk AssessmentTomography, Spiral ComputedIntracranial EmbolismCatheterizationBrain IschemiaPolycystic Kidney, Autosomal Dominant