RadiculopathySpinal StenosisSpinal Nerve RootsCarotid StenosisAortic Valve StenosisCervical VertebraeLumbar VertebraeCoronary StenosisIntervertebral Disc DisplacementTracheal StenosisSpinal CanalInjections, EpiduralTotal Disc ReplacementSpondylosisLigamentum FlavumLumbosacral RegionPyloric StenosisMitral Valve StenosisConstriction, PathologicPulmonary Valve StenosisDiskectomySpinal OsteophytosisPost-Traumatic HeadacheLaminectomySciaticaEpidural SpaceIntervertebral DiscNerve Compression SyndromesElectrodiagnosisLow Back PainTreatment OutcomeSpinal Cord CompressionBrachial Plexus NeuritisPolyradiculopathyNeck PainDecompression, SurgicalForaminotomySynovial CystHematoma, Epidural, SpinalSacrumPain MeasurementZygapophyseal JointSpinal FusionSpinal Cord DiseasesLumbosacral PlexusMagnetic Resonance ImagingCauda EquinaSpinal DiseasesTomography, X-Ray ComputedRenal Artery ObstructionSpondylolisthesisAortic Stenosis, SubvalvularParaspinal MusclesFollow-Up StudiesAortic Stenosis, SupravalvularMyelographyRetrospective StudiesProspective StudiesFluoroscopyBrachial Plexus NeuropathiesStentsCoronary AngiographyMuscle WeaknessBack PainNerve BlockCarotid Artery, InternalParesthesiaEndarterectomy, CarotidDura MaterUltrasonography, Doppler, DuplexAngioplasty, BalloonInternal FixatorsSeverity of Illness IndexLaryngostenosisManipulation, SpinalNeurosurgical ProceduresAortic ValvePeripheral Nervous System DiseasesPostoperative ComplicationsMeningeal CarcinomatosisBursitisTricuspid Valve StenosisTarlov CystsSurgical Procedures, Minimally InvasiveDiscrete Subaortic StenosisOrthotic DevicesPredictive Value of TestsPhysical ExaminationTriamcinoloneFibrocartilageMagnetic Resonance AngiographyAngiographyLameness, AnimalArterial Occlusive DiseasesPyloric Stenosis, HypertrophicMusculoskeletal ManipulationsSteroidsPatient PositioningBlood Flow VelocityHeart Valve Prosthesis Implantation