DrainageCerebrospinal FluidCerebrospinal Fluid ProteinsCerebrospinal Fluid RhinorrheaCerebrospinal Fluid ShuntsCerebrospinal Fluid PressureMeningitisSpinal PunctureHydrocephalusMeningitis, BacterialCerebrospinal Fluid OtorrheaMeningitis, ViralTuberculosis, MeningealDrainage, PosturalSuctionMeningitis, AsepticDrainage, SanitaryAbscessPancreatic PseudocystMeningitis, PneumococcalVentriculostomyCisterna MagnaChoroid PlexusIntracranial PressureSubarachnoid SpaceChest TubesMeningoencephalitisCerebral VentriclesArachnoidVentriculoperitoneal ShuntNeurosyphilisGlaucoma Drainage ImplantsPostoperative ComplicationsCerebral VeinsBrainJaundice, ObstructiveTreatment OutcomeMeningesTomography, X-Ray ComputedNervous System DiseasesMultiple SclerosisCentral Nervous System DiseasesOligoclonal BandsDura MaterRetrospective StudiesMagnetic Resonance ImagingBlood-Brain BarrierLymphatic SystemFistulaMeningitis, FungalHydroxyindoleacetic AcidCentral Nervous System InfectionsLymphoscintigraphyCranial SinusesPneumoencephalographyLyme NeuroborreliosisBrain DiseasesCholangiopancreatography, Endoscopic RetrogradeHomovanillic AcidEncephalitisSubarachnoid HemorrhageMeningitis, HaemophilusCholedochostomyEmpyema, PleuralTime FactorsPneumothoraxCerebral VentriculographyPleural EffusionAbdominal AbscessEndoscopyIntracranial HypotensionThoracostomyEncephalitis, ViralBiliary Tract Surgical ProceduresBiological MarkersCholestasisLeukocytosisInjections, SpinalCholangitisMeningitis, MeningococcalHematoma, Subdural, ChronicSensitivity and SpecificityCraniotomySpinal Cord IschemiaParaplegiaMeningitis, CryptococcalLiver AbscessNeurocysticercosisInjections, IntraventricularAlzheimer DiseaseHydrocephalus, Normal PressureIntracranial HypertensionPostoperative CareCatheterizationCentral Nervous System Viral DiseasesMeningeal NeoplasmsAmyloid beta-PeptidesPericardial EffusionThoracic DuctPancreas Transplantation