VertebroplastyFractures, CompressionPolymethyl MethacrylateSpinal FracturesBone CementsSpineKyphoplastyFractures, SpontaneousPainThoracic VertebraeBack PainLumbar VertebraeSpinal NeoplasmsExtravasation of Diagnostic and Therapeutic MaterialsOsteoporosisOsteoporotic FracturesPain MeasurementFluoroscopyPain ManagementSurgical Procedures, Minimally InvasiveSpinal DiseasesOrthopedic ProceduresPain, PostoperativeChronic PainMethylmethacrylateKyphosisRadiology, InterventionalSpinal CanalInjections, SpinalPain ThresholdAxisPain, IntractableLow Back PainTreatment OutcomeRadiography, InterventionalCementoplastySpinal Cord CompressionSpinal InjuriesNeck PainCervical VertebraeInjectionsAbdominal PainRadiographyPolymethacrylic AcidsRetrospective StudiesSpinal FusionTomography, X-Ray ComputedEmbolism, FatPelvic PainPain PerceptionPlacebo EffectFacial PainPostoperative ComplicationsFollow-Up StudiesIntervertebral DiscLaminectomyAcute PainPain, ReferredMagnetic Resonance ImagingSacrumDecompression, SurgicalForeign-Body MigrationArthroplastyPulmonary EmbolismFractures, ComminutedVirginiaShoulder PainAnalgesicsMethylmethacrylatesDisability EvaluationAnesthesia, LocalThermoluminescent DosimetryMusculoskeletal PainCadaverHemangiomaCalcium PhosphatesFracture FixationNeedlesOsteoporosis, PostmenopausalReconstructive Surgical ProceduresThermal ConductivityCompressive StrengthFinite Element AnalysisMinnesotaPatient Positioning