HematomaHematoma, SubduralHematoma, Subdural, ChronicSubdural SpaceHematoma, Subdural, AcuteHematoma, Epidural, CranialEmpyema, SubduralHematoma, Subdural, SpinalSubdural EffusionHematoma, Epidural, SpinalHematoma, Subdural, IntracranialVeinsCraniotomyTomography, X-Ray ComputedCerebral HemorrhageDura MaterTrephiningSaphenous VeinCraniocerebral TraumaPortal VeinHead Injuries, ClosedVaricose VeinsArachnoid CystsSkull FracturesNeurosurgical ProceduresFemoral VeinGlasgow Coma ScaleMagnetic Resonance ImagingCerebral Hemorrhage, TraumaticDrainageArachnoidPulmonary VeinsJugular VeinsCranial Fossa, PosteriorBattered Child SyndromeIntracranial HypotensionIntracranial HemorrhagesShaken Baby SyndromeCerebral VeinsRemission, SpontaneousBasal Ganglia HemorrhageTreatment OutcomePostoperative ComplicationsDecompression, SurgicalCerebral AngiographyIliac VeinLaminectomyFatal OutcomeRectus AbdominisLigamentum FlavumHeadacheMesenteric VeinsGlasgow Outcome ScaleRenal VeinsSuctionUmbilical VeinsRetrospective StudiesExtravasation of Diagnostic and Therapeutic MaterialsTomography Scanners, X-Ray ComputedSubarachnoid HemorrhageAnticoagulantsRupture, SpontaneousSubarachnoid SpacePneumocephalusBrain AbscessBrain InjuriesHepatic VeinsPopliteal VeinBrain EdemaPost-Dural Puncture HeadacheRetroperitoneal SpaceAcute DiseaseIntracranial Hemorrhage, HypertensiveAneurysm, RupturedElectrodes, ImplantedNeurosurgeryHydrocephalusSpinal Cord CompressionEsophageal DiseasesSkull Fracture, DepressedRetinal HemorrhageCerebral AqueductIntracranial AneurysmBlood Patch, EpiduralVentriculostomySkull NeoplasmsSubclavian VeinBrain Hemorrhage, TraumaticChronic DiseaseWounds, NonpenetratingSplenic VeinMeningesMeningeal ArteriesAccidents, TrafficBirth InjuriesTime FactorsCerebral VentriculographyWarfarinOccipital BoneIntracranial Pressure