SpineSpinal DiseasesCervical VertebraeOrthopedic ProceduresSpinal FusionLumbar VertebraePainDiskectomyLaminectomyPain, PostoperativeDecompression, SurgicalPostoperative ComplicationsNeurosurgical ProceduresPain MeasurementChronic PainPain ManagementLow Back PainDura MaterBlood Loss, SurgicalMonitoring, IntraoperativeIntervertebral Disc DisplacementSpinal StenosisTreatment OutcomePain ThresholdThoracic VertebraeBack PainNeuronavigationProne PositionKnee-Chest PositionFailed Back Surgery SyndromeHospitals, High-VolumeRetrospective StudiesReoperationNeck PainBlood Transfusion, AutologousIntraoperative ComplicationsDelayed Emergence from AnesthesiaSpinal FracturesAbdominal PainSpinal Cord CompressionPain, IntractableIntervertebral Disc DegenerationEvoked Potentials, SomatosensoryProspective StudiesOrthopedic Fixation DevicesScoliosisBrachial Plexus NeuritisSpondylolisthesisSurgical Procedures, ElectiveFollow-Up StudiesPelvic PainHoarsenessPain PerceptionOptic Neuropathy, IschemicPostoperative CareHemostasis, SurgicalPharyngeal DiseasesFacial PainEsophageal PerforationSurgical Procedures, Minimally InvasiveRetinal Artery OcclusionAcute PainBone ScrewsPain, ReferredIntraoperative CareTime FactorsBariatric SurgeryInternal FixatorsLength of StayOutcome Assessment (Health Care)Perioperative CareShoulder PainRisk FactorsAntifibrinolytic AgentsHospitals, SpecialSurgical Wound InfectionSpinal Cord DiseasesAnesthetics, IntravenousGeneral SurgerySpinal InjuriesTomography, X-Ray ComputedFluoroscopyMusculoskeletal PainIntubation, IntratrachealThoracic SurgeryDeglutition DisordersDisability EvaluationCardiac Surgical ProceduresMagnetic Resonance ImagingQuestionnairesAnalgesicsUrologic DiseasesPostoperative PeriodRisk AssessmentDendritesSpinal NeoplasmsBlindnessRecurrenceEvoked Potentials, MotorSurgery, Plastic