VertebroplastyKyphoplastyFractures, CompressionSpinal FracturesBone CementsPolymethyl MethacrylateFractures, SpontaneousThoracic VertebraeOsteoporotic FracturesSpineKyphosisOsteoporosisExtravasation of Diagnostic and Therapeutic MaterialsLumbar VertebraeSurgical Procedures, Minimally InvasiveSpinal NeoplasmsBack PainFluoroscopyOrthopedic ProceduresPain MeasurementTreatment OutcomeMethylmethacrylateRadiology, InterventionalSpinal Cord CompressionInjectionsPatient PositioningPainInjections, SpinalRadiography, InterventionalSpinal CanalRetrospective StudiesAxisPirinitramideSpinal DiseasesTomography, X-Ray ComputedCadaverPostoperative ComplicationsHemangiomaCementoplastyCalcium PhosphatesArthroplastyFracture Fixation, InternalIntervertebral DiscPolymethacrylic AcidsFollow-Up StudiesFracture FixationOperative TimeHospital Bed CapacityMagnetic Resonance ImagingEmbolism, FatRadiographyCementationBiomechanical PhenomenaPlacebo EffectPain, PostoperativeBracesPulsed Radiofrequency TreatmentFracture HealingForeign-Body MigrationPulmonary EmbolismFractures, ComminutedVirginiaMethylmethacrylatesAmbulatory Surgical Procedures