Intracranial AneurysmSubarachnoid HemorrhageAneurysmSubarachnoid SpaceAneurysm, RupturedCerebral AngiographyEmbolization, TherapeuticCerebral ArteriesAneurysm, InfectedSurgical InstrumentsVasospasm, IntracranialAortic AneurysmAngiography, Digital SubtractionTomography, X-Ray ComputedHeart AneurysmAortic Aneurysm, ThoracicEndovascular ProceduresCerebrovascular CirculationNeurosurgical ProceduresAneurysm, DissectingCerebral InfarctionPlatinumTreatment OutcomeCraniotomyGlasgow Outcome ScaleBasilar ArteryRupture, SpontaneousAnterior Cerebral ArteryMiddle Cerebral ArteryIliac AneurysmCerebral HemorrhageCoronary AneurysmBlood Vessel Prosthesis ImplantationCircle of WillisMicrosurgeryVascular Surgical ProceduresBrainBlood Vessel ProsthesisCerebral VeinsBrain IschemiaImaging, Three-DimensionalMagnetic Resonance AngiographyAneurysm, FalseCarotid Artery, InternalVertebral ArteryCerebral PalsyAortic RuptureRetrospective StudiesStentsFollow-Up StudiesMagnetic Resonance ImagingAngiographyPostoperative ComplicationsRetreatmentModels, CardiovascularNeurosurgeryEquipment DesignAorta, AbdominalTime FactorsIntracranial ThrombosisRecurrenceBalloon OcclusionCerebral RevascularizationAortographyCoated Materials, BiocompatibleIschemic Attack, TransientBlood Flow VelocityIntracranial Arteriovenous MalformationsLigationInfarction, Middle Cerebral ArteryCarotid Artery DiseasesPosterior Cerebral ArteryCisterna MagnaDisease Models, AnimalFatal OutcomeHydrocephalusCerebrovascular DisordersIntracranial PressureMalaria, CerebralSubarachnoid Hemorrhage, TraumaticNeurologic ExaminationSpinal PunctureArachnoidProstheses and ImplantsVideodisc RecordingProspective StudiesCranial Nerve DiseasesElastic TissueRisk FactorsImage Processing, Computer-AssistedModels, AnatomicCerebral VentriclesOphthalmic ArteryEquipment Failure AnalysisCarotid Artery, CommonBatroxobinCatheterizationRadiography, InterventionalIncidenceSensitivity and Specificity