Subarachnoid HemorrhageVasospasm, IntracranialSubarachnoid SpaceIntracranial AneurysmAneurysm, RupturedCerebral AngiographyGlasgow Outcome ScaleCoronary VasospasmCisterna MagnaHydrocephalusMagnesium SulfateRupture, SpontaneousVentriculostomyTomography, X-Ray ComputedBasilar ArteryNimodipineBrain IschemiaIschemic Attack, TransientPregnatrienesUltrasonography, Doppler, TranscranialCerebrovascular CirculationSpinal PunctureCerebral ArteriesAngiography, Digital SubtractionGlasgow Coma ScaleSurgical InstrumentsTreatment OutcomeHypovolemiaIntracranial HypertensionProspective StudiesNicardipineCortical Spreading DepressionDioxanesPapaverineVentriculoperitoneal ShuntIntracranial PressureCerebral InfarctionThird VentricleTime FactorsNeurosurgical ProceduresPerfusion ImagingMicrodialysisPituitary Function TestsBrainNervous System DiseasesRetrospective StudiesPredictive Value of TestsMeteorological ConceptsHemodilutionMiddle Cerebral ArteryCoagulation Protein DisordersVasodilator AgentsRisk FactorsHypopituitarismTranexamic AcidBlood VolumeSpasmPrognosisEndovascular ProceduresSubarachnoid Hemorrhage, TraumaticSeverity of Illness IndexBlood Flow VelocityFollow-Up StudiesIncidenceRecurrenceArachnoidDrainagePostoperative ComplicationsOutcome Assessment (Health Care)VasoconstrictionCohort StudiesLogistic ModelsNeuroprotective AgentsCerebrospinal FluidSensitivity and SpecificityBiological MarkersHyperglycemiaHydroxymethylglutaryl-CoA Reductase InhibitorsAcute DiseaseAnesthesia, SpinalRandomized Controlled Trials as TopicEmbolization, TherapeuticCerebral HemorrhageJapanErgonovineRiskAge FactorsCraniotomyOdds RatioVertebral ArteryDogsInfusions, Intra-ArterialDisease Models, AnimalRegression Analysis