Cerebral VentriculitisCoagulation Protein DisordersIntracranial AneurysmAneurysmCerebral VentriclesCerebral AngiographyAneurysm, RupturedEncephalitisHydrocephalusCerebral ArteriesEmbolization, TherapeuticVentriculostomySubarachnoid HemorrhageEdemaSpiruridaAneurysm, InfectedCerebral VentriculographyCerebrospinal Fluid ShuntsAortic AneurysmSurgical InstrumentsCerebral InfarctionVentriculoperitoneal ShuntMeningitisCerebrovascular CirculationTreatment OutcomeMeningitis, FungalAngiography, Digital SubtractionBrain EdemaMiddle Cerebral ArteryTomography, X-Ray ComputedCerebral PalsyBrain AbscessAneurysm, DissectingMeningitis, BacterialAortic Aneurysm, ThoracicEndovascular ProceduresHeart AneurysmCerebrospinal FluidTuberculosis, MeningealPulmonary EdemaInjections, IntraventricularPlatinumCerebral VeinsAnterior Cerebral ArteryBrainNeurosurgical Procedures