Intraoperative CareIntraoperative PeriodMonitoring, IntraoperativeSpineIntraoperative ComplicationsCervical VertebraeLumbar VertebraeSpinal DiseasesPostoperative ComplicationsNeuronavigationFrozen SectionsTreatment OutcomeBlood Loss, SurgicalThoracic VertebraeSurgery, Computer-AssistedNeurosurgical ProceduresIntraoperative AwarenessSpinal FusionRetrospective StudiesSpinal InjuriesDendritesProspective StudiesAnesthesia, GeneralSpinal NeoplasmsIntraoperative Neurophysiological MonitoringPreoperative CareTomography, X-Ray ComputedSpinal FracturesParathyroidectomyScoliosisLaparoscopyLaminectomyBone ScrewsTime FactorsMagnetic Resonance ImagingSurgical Procedures, Minimally InvasiveReoperationNeurosurgeryFollow-Up StudiesDecompression, SurgicalOrthopedic ProceduresPostoperative CareBone DensityEchocardiography, TransesophagealBlood Transfusion, AutologousPostoperative PeriodSynapsesSpinal Cord CompressionSentinel Lymph Node BiopsyIntervertebral Disc DisplacementIntervertebral DiscSurgical Procedures, OperativeAnesthesiaCholangiographyKyphosisDiskectomyHippocampusHemostasis, SurgicalCardiopulmonary BypassSpinal CurvaturesFluoroscopyPerioperative CareIndocyanine GreenSensitivity and SpecificityPain, PostoperativeDiagnostic Techniques, SurgicalRange of Motion, ArticularSpinal StenosisCraniotomyPostoperative HemorrhageCardiac Surgical ProceduresSpinal CanalSacrumOrthopedic Fixation DevicesFeasibility StudiesHepatectomyBlood TransfusionEvoked Potentials, SomatosensoryLength of StayReproducibility of ResultsSpinal OsteophytosisImaging, Three-DimensionalPredictive Value of TestsOperative Blood SalvageSpondylolisthesisNeuronal PlasticityOperating RoomsOperative TimeHyperparathyroidismPhacoemulsificationBrain NeoplasmsSurgical InstrumentsZygapophyseal JointSuture TechniquesCholecystectomy, LaparoscopicGamma CamerasRisk FactorsDislocationsHypothermiaAnastomosis, Surgical