2015
Superion Interspinous Process Spacer for Intermittent Neurogenic Claudication Secondary to Moderate Lumbar Spinal Stenosis
Patel VV, Whang PG, Haley TR, Bradley WD, Nunley PD, Davis RP, Miller LE, Block JE, Geisler FH. Superion Interspinous Process Spacer for Intermittent Neurogenic Claudication Secondary to Moderate Lumbar Spinal Stenosis. Spine 2015, 40: 275-282. PMID: 25494323, DOI: 10.1097/brs.0000000000000735.Peer-Reviewed Original ResearchConceptsLumbar spinal stenosisIntermittent neurogenic claudicationInterspinous process spacerNeurogenic claudicationClinical successSpinal stenosisModerate lumbar spinal stenosisPrimary composite endpointRate of complicationsMajority of patientsInvasive treatment alternativeConservative careLeg painSurgical decompressionControl patientsMost patientsComposite endpointNonsurgical managementHigh quality comparative dataPatient complaintsNoninferiority trialBACKGROUND DATAClaudicationInterspinous spacerPatients
2014
Two-year clinical outcomes of a multicenter randomized controlled trial comparing two interspinous spacers for treatment of moderate lumbar spinal stenosis
Patel VV, Whang PG, Haley TR, Bradley WD, Nunley PD, Miller LE, Block JE, Geisler FH. Two-year clinical outcomes of a multicenter randomized controlled trial comparing two interspinous spacers for treatment of moderate lumbar spinal stenosis. BMC Musculoskeletal Disorders 2014, 15: 221. PMID: 24996648, PMCID: PMC4109165, DOI: 10.1186/1471-2474-15-221.Peer-Reviewed Original ResearchMeSH KeywordsAgedBack PainDisability EvaluationEquipment DesignFemaleHumansLumbar VertebraeMaleOrthopedic ProceduresPain MeasurementPain, PostoperativePatient SatisfactionPredictive Value of TestsProspective StudiesRadiographyRecovery of FunctionSpinal StenosisSurveys and QuestionnairesTime FactorsTreatment OutcomeUnited StatesConceptsModerate lumbar spinal stenosisLumbar spinal stenosisConservative careInterspinous spacerClinical outcomesSpinal stenosisBack functionTwo-year clinical outcomesOswestry Disability IndexPhysical function scoresPatient-reported outcomesInvasive surgical alternativePatient satisfaction scoresExtremity painAxial painDisability IndexComplication dataFunction scoresSurgical alternativePatientsSatisfaction scoresSymptom severityPainIndex levelMulticenter