Decompressive CraniectomyCraniotomyDecompression, SurgicalIntracranial HypertensionTrephiningIntracranial PressureGlasgow Coma ScaleGlasgow Outcome ScaleBrain EdemaBrain InjuriesSubdural EffusionSkullHematoma, Epidural, CranialHematoma, Subdural, AcuteHematoma, SubduralCerebral InfarctionInfarction, Middle Cerebral ArteryLaminectomyTomography, X-Ray ComputedConstrictionSpinal StenosisTreatment OutcomeArnold-Chiari MalformationCompartment SyndromesDura MaterNeurosurgical ProceduresEmpyema, SubduralSpinal Cord Compression