Subarachnoid HemorrhageCerebral InfarctionIntracranial PressureBrain InfarctionBrain IschemiaBrain EdemaBrain InjuriesIntracranial HypertensionVasospasm, IntracranialSubarachnoid SpaceTomography, X-Ray ComputedCerebrovascular DisordersCerebral HemorrhageCerebral ArteriesCerebrovascular CirculationBrainInfarctionIntracranial AneurysmCerebral AngiographyMyocardial InfarctionMagnetic Resonance ImagingAneurysm, RupturedBrain ChemistryBlood PressureTime FactorsIschemic Attack, TransientGlasgow Coma ScaleHydrocephalusInfarction, Middle Cerebral ArteryHemorrhageBasilar ArteryGlasgow Outcome ScaleEdemaDiuretics, OsmoticBrain NeoplasmsPressureDisease Models, AnimalBlood-Brain BarrierTreatment OutcomeStrokeMiddle Cerebral ArteryPseudotumor CerebriCraniotomySpinal PunctureAquaporin 4Prospective StudiesIntracranial HemorrhagesRats, Sprague-DawleyVentriculostomyRisk FactorsIntracranial Embolism and ThrombosisMonitoring, PhysiologicCraniocerebral TraumaDiabetic KetoacidosisAcute DiseaseDecompressive CraniectomyCerebral VentriclesBrain MappingNeuroprotective AgentsRetrospective StudiesPulmonary EdemaCerebral PalsyRupture, SpontaneousCerebral VeinsCisterna MagnaHead Injuries, ClosedMannitolHypertensionPapilledemaSubarachnoid Hemorrhage, TraumaticBrain DiseasesCerebrospinal Fluid ShuntsSaline Solution, HypertonicHematoma, SubduralComaCerebral CortexCerebrospinal FluidBrain Damage, ChronicHypoxia, BrainBrain StemPredictive Value of TestsCerebral VentriculographyNeurosurgical ProceduresHeadacheElectrocardiographyArachnoidMalaria, CerebralBrain Injury, ChronicDiffuse Axonal InjuryPrognosisNimodipineIncidenceRetinal HemorrhageAge FactorsBlood Flow VelocityMagnetic Resonance AngiographyFollow-Up StudiesRecurrenceRats, WistarHemodynamics