Intracranial PressureBrain InfarctionSubarachnoid HemorrhageBrain InjuriesIntracranial HypertensionCerebral InfarctionSubarachnoid SpaceBrain EdemaInfarctionBrain IschemiaBrainBrain ChemistryPressureCerebrovascular CirculationBlood PressureGlasgow Coma ScalePseudotumor CerebriBrain NeoplasmsMagnetic Resonance ImagingMyocardial InfarctionVasospasm, IntracranialHydrocephalusTime FactorsGlasgow Outcome ScaleBrain MappingTomography, X-Ray ComputedMonitoring, PhysiologicDecompressive CraniectomyIschemic Attack, TransientCerebral HemorrhagePapilledemaDisease Models, AnimalCerebrovascular DisordersIntracranial AneurysmHead Injuries, ClosedCerebral AngiographyVentriculostomyStrokeCerebrospinal Fluid ShuntsRats, Sprague-DawleyIntracranial Embolism and ThrombosisBrain Injury, ChronicCraniocerebral TraumaCerebral ArteriesProspective StudiesDiffuse Axonal InjuryInfarction, Middle Cerebral ArteryRisk FactorsSpinal PunctureTreatment OutcomeCraniotomyBrain StemStroke, LacunarNeuroprotective AgentsDiuretics, OsmoticLeukoaraiosisBrain Damage, ChronicCerebrospinal FluidCerebral CortexBlood-Brain BarrierBrain ConcussionHypertensionAneurysm, RupturedBlast InjuriesCerebral VentriclesCerebrospinal Fluid PressureIntracranial EmbolismHypoxia, BrainAcute DiseaseInjury Severity ScoreComaTransducers, PressurePost-Concussion SyndromeRetrospective StudiesCerebral VentriculographyArachnoidSubdural SpaceIntracranial ArteriosclerosisHydrostatic PressureTrauma Severity IndicesNeuronsHypothermia, InducedMannitolBrain Hemorrhage, TraumaticCisterna MagnaBrain AbscessPredictive Value of TestsRecovery of FunctionHeadacheHematoma, SubduralCranial SinusesAge FactorsBasilar ArteryCase-Control StudiesHemodynamicsFollow-Up StudiesUltrasonography, Doppler, TranscranialAnalysis of VarianceSaline Solution, HypertonicDiffusion Magnetic Resonance Imaging