Cerebral VentriculitisIntracranial AneurysmBrain EdemaCerebral VentriclesAneurysmCerebral ArteriesCerebral AngiographyAneurysm, RupturedEncephalitisHydrocephalusEmbolization, TherapeuticBrain IschemiaCerebral InfarctionSubarachnoid HemorrhageCerebrovascular CirculationIschemiaVentriculostomyEdemaSpiruridaMiddle Cerebral ArteryAneurysm, InfectedCerebral PalsyBrainCerebral VentriculographyCerebrospinal Fluid ShuntsInfarction, Middle Cerebral ArterySurgical InstrumentsVentriculoperitoneal ShuntMeningitisAortic AneurysmCerebral HemorrhageMeningitis, FungalAngiography, Digital SubtractionTomography, X-Ray ComputedDiabetic KetoacidosisCerebral VeinsAquaporin 4Brain AbscessDiuretics, OsmoticMyocardial IschemiaAortic Aneurysm, ThoracicMeningitis, BacterialCerebrospinal FluidMalaria, CerebralCraniotomyHeart AneurysmAnterior Cerebral ArteryMagnetic Resonance ImagingEndovascular ProceduresIschemic Attack, TransientTreatment OutcomeInjections, IntraventricularAneurysm, DissectingTuberculosis, MeningealPulmonary EdemaBlood-Brain BarrierIntracranial PressureNeurosurgical ProceduresPlatinumDisease Models, AnimalCerebrovascular DisordersTime Factors