Cerebral VentriculitisCoagulation Protein DisordersIntracranial AneurysmAneurysmCerebral VentriclesCerebral AngiographyAneurysm, RupturedEncephalitisHydrocephalusCerebral ArteriesEmbolization, TherapeuticVentriculostomySubarachnoid HemorrhageSpiruridaAneurysm, InfectedCerebrospinal Fluid ShuntsCerebral VentriculographyTreatment OutcomeAortic AneurysmSurgical InstrumentsCerebral InfarctionVentriculoperitoneal ShuntMeningitisCerebrovascular CirculationMeningitis, FungalAngiography, Digital SubtractionMiddle Cerebral ArteryCerebral PalsyTomography, X-Ray ComputedBrain AbscessAneurysm, DissectingEndovascular ProceduresAortic Aneurysm, ThoracicMeningitis, BacterialHeart AneurysmCerebrospinal FluidTuberculosis, MeningealFollow-Up StudiesPlatinumInjections, IntraventricularNeurosurgical ProceduresAnterior Cerebral ArteryCerebral VeinsBrainRetrospective StudiesCerebral Hemorrhage