Subarachnoid HemorrhageVasospasm, IntracranialSubarachnoid SpaceIntracranial AneurysmAneurysm, RupturedGlasgow Outcome ScaleCerebral AngiographyHydrocephalusMagnesium SulfateRupture, SpontaneousVentriculostomyCisterna MagnaTomography, X-Ray ComputedBrain IschemiaSpinal PunctureNimodipinePregnatrienesGlasgow Coma ScaleUltrasonography, Doppler, TranscranialHypovolemiaSurgical InstrumentsProspective StudiesCerebrovascular CirculationIntracranial HypertensionTreatment OutcomeAngiography, Digital SubtractionVentriculoperitoneal ShuntCortical Spreading DepressionCerebral ArteriesIschemic Attack, TransientThird VentricleIntracranial PressureDioxanesCerebral InfarctionNicardipineNeurosurgical ProceduresTime FactorsMicrodialysisPituitary Function TestsBasilar ArteryMeteorological ConceptsNervous System DiseasesPerfusion ImagingPredictive Value of TestsRetrospective StudiesCoagulation Protein DisordersBrainPapaverineHypopituitarismTranexamic AcidHemodilutionRisk FactorsEndovascular ProceduresPrognosisSubarachnoid Hemorrhage, TraumaticBlood VolumeMiddle Cerebral ArterySeverity of Illness IndexArachnoidDrainageFollow-Up StudiesRecurrenceIncidenceOutcome Assessment (Health Care)Cohort StudiesVasodilator AgentsPostoperative ComplicationsLogistic ModelsHyperglycemiaBlood Flow VelocityNeuroprotective AgentsAnesthesia, SpinalBiological MarkersJapanRandomized Controlled Trials as TopicRiskSensitivity and SpecificityOdds RatioAge FactorsCerebral HemorrhageHydroxymethylglutaryl-CoA Reductase InhibitorsAcute DiseaseRegression AnalysisCerebrospinal FluidCase-Control StudiesCognition DisordersNetherlandsArachnoiditis