Fractures, CompressionSpinal FracturesVertebroplastyOsteoporotic FracturesPolymethyl MethacrylateBone CementsFractures, SpontaneousOsteoporosisThoracic VertebraeKyphoplastyLumbar VertebraeFractures, BoneFracture HealingHip FracturesSpineFracture Fixation, InternalKyphosisFemoral FracturesSpinal InjuriesSpinal NeoplasmsSpinal Cord CompressionFracture FixationFractures, ComminutedBone DensityOsteoporosis, PostmenopausalExtravasation of Diagnostic and Therapeutic MaterialsRadius FracturesOrthopedic ProceduresBack PainSurgical Procedures, Minimally InvasiveFractures, StressFemoral Neck FracturesTreatment OutcomeData CompressionRib FracturesUlna FracturesNerve Compression SyndromesFracture Fixation, IntramedullarySpondylitisRetrospective StudiesMethylmethacrylatesPain MeasurementSkull FracturesRadiology, InterventionalStockings, CompressionSpinal DiseasesPainMandibular FracturesBone PlatesBone Density Conservation AgentsTomography, X-Ray ComputedMagnetic Resonance ImagingCompressive StrengthRadiographyFollow-Up StudiesInternal FixatorsParaparesisBiomechanical PhenomenaTissue Expansion DevicesProspective Studies