2020
Pediatric Supracondylar Humerus Fracture Outcomes by Pediatric and Nonpediatric Orthopedists.
Mets EJ, Grauer JN, McLynn RP, Frumberg DB. Pediatric Supracondylar Humerus Fracture Outcomes by Pediatric and Nonpediatric Orthopedists. Orthopedics 2020, 44: e203-e210. PMID: 33316820, DOI: 10.3928/01477447-20201210-03.Peer-Reviewed Original ResearchConceptsPediatric supracondylar humerus fracturesSupracondylar humerus fracturesHumerus fracturesMultivariate analysisRetrospective comparative cohort analysisLarge national databaseComparative cohort analysisComorbidity burdenHospital lengthPerioperative outcomesAdverse eventsPatient characteristicsPatient factorsFracture outcomesOperative timePatient 1Surgical interventionAdverse outcomesPediatric orthopedistsStudy groupCohort analysisOrthopaedic surgeonsOrthopedistsNational databaseSubspecialty training
2016
Is Outpatient Total Hip Arthroplasty Safe?
Nelson SJ, Webb ML, Lukasiewicz AM, Varthi AG, Samuel AM, Grauer JN. Is Outpatient Total Hip Arthroplasty Safe? The Journal Of Arthroplasty 2016, 32: 1439-1442. PMID: 28065622, DOI: 10.1016/j.arth.2016.11.053.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAgedArthroplasty, Replacement, HipBlood TransfusionDatabases, FactualFemaleHumansInpatientsLength of StayLogistic ModelsMaleMiddle AgedMultivariate AnalysisOutpatientsPatient DischargePatient ReadmissionPatient SafetyPoisson DistributionPostoperative ComplicationsPropensity ScoreQuality ImprovementRegression AnalysisRetrospective StudiesYoung AdultConceptsOutpatient total hip arthroplastyTotal hip arthroplastyAdverse eventsPropensity scoreSurgeons National Surgical Quality Improvement Program databaseNational Surgical Quality Improvement Program databaseQuality Improvement Program databaseGeneral health outcome measuresDays adverse eventsImprovement Program databaseMultivariate Poisson regressionHealth outcome measuresHospital dischargePostoperative dayBlood transfusionExtended LOSTHA patientsPotential confoundersInpatient proceduresProgram databaseRelative riskHip arthroplastyOutcome measuresSafety dataStudy group
2011
Reproducibility of Radiographic Measurements for Subaxial Cervical Spine Trauma
Bono CM, Schoenfeld A, Rampersaud R, Levi A, Grauer J, Arnold P, Fehlings M, Dvorak M, Vaccaro AR. Reproducibility of Radiographic Measurements for Subaxial Cervical Spine Trauma. Spine 2011, 36: 1374-1379. PMID: 21587104, DOI: 10.1097/brs.0b013e318221e169.Peer-Reviewed Original ResearchConceptsSubaxial cervical spine traumaVertebral body height lossCervical spine traumaSpine traumaPlain radiographsComputed tomographyHeight lossRadiographic measurementsAnterior vertebral body height lossSubaxial cervical spine injuriesSpine Trauma Study GroupCervical plain radiographsCervical spine injurySubaxial cervical injuriesImportance of imagingVertebral body translationPlain radiographic measurementsCT imagesCervical injuryPosterior tangent methodSpine injuriesRadiographic evaluationBACKGROUND DATAStudy groupKyphosis measurement
2008
Variations in Surgical Treatment of Cervical Facet Dislocations
Nassr A, Lee JY, Dvorak MF, Harrop JS, Dailey AT, Shaffrey CI, Arnold PM, Brodke DS, Rampersaud R, Grauer JN, Winegar C, Vaccaro AR. Variations in Surgical Treatment of Cervical Facet Dislocations. Spine 2008, 33: e188-e193. PMID: 18379387, DOI: 10.1097/brs.0b013e3181696118.Peer-Reviewed Original ResearchConceptsCervical facet dislocationSurgical approachDisc herniationFacet dislocationNeurologic statusAnterior approachBilateral injuryCervical dislocationTraumatic cervical facet dislocationComplete spinal cord injurySpine Trauma Study GroupOnly slight agreementBilateral facet dislocationSpinal cord injuryRetrospective survey analysisSurgical treatmentCord injuryPosterior approachSurgeon preferenceInter-rater reliabilitySurgeon's interpretationTreatment decisionsBACKGROUND DATAStudy groupHerniation
2006
Confusion Regarding Mechanisms of Injury in the Setting of Thoracolumbar Spinal Trauma: A Survey of the Spine Trauma Study Group (STSG)
Schweitzer KM, Vaccaro AR, Lee JY, Grauer JN. Confusion Regarding Mechanisms of Injury in the Setting of Thoracolumbar Spinal Trauma: A Survey of the Spine Trauma Study Group (STSG). Clinical Spine Surgery A Spine Publication 2006, 19: 528-530. PMID: 17021418, DOI: 10.1097/01.bsd.0000211219.28566.d0.Peer-Reviewed Original ResearchConceptsSpine Trauma Study GroupInjury mechanismStudy groupThoracolumbar Injury Severity ScoreInjury Severity ScoreMechanism of injuryThoracolumbar Injury Classification SystemPosterior ligamentous complex disruptionThoracolumbar spinal traumaComplex injury patternsFlexion-compression injuriesPercent of physiciansThoracolumbar spine injuriesInjury classification systemPosterior ligamentous complexFisher's exact testNeurologic statusSpine injuriesInjury patternsSeverity scoreClinical examinationSpinal traumaObjective findingsThoracolumbar injuriesLigamentous complex
2004
Comparison of Posterolateral Lumbar Fusion Rates of Grafton Putty and OP-1 Putty in an Athymic Rat Model
Bomback DA, Grauer JN, Lugo R, Troiano N, Patel TCh, Friedlaender GE. Comparison of Posterolateral Lumbar Fusion Rates of Grafton Putty and OP-1 Putty in an Athymic Rat Model. Spine 2004, 29: 1612-1617. PMID: 15284503, DOI: 10.1097/01.brs.0000132512.53305.a1.Peer-Reviewed Original ResearchConceptsOP-1 PuttyFusion rateSpine fusion modelManual palpationOP-1Posterolateral lumbar spine fusionLumbar spine fusionSimilar fusion ratesAthymic nude ratsSpine fusion ratesLumbar fusion ratesAthymic rat modelIntertransverse process fusionBone graft alternativesInflammatory responseRat modelBACKGROUND DATASpine fusionStudy groupNude ratsOsteogenic protein-1Athymic ratsFusion massOsteoinductive productsGraft alternatives
2001
Evaluation of OP-1 as a Graft Substitute for Intertransverse Process Lumbar Fusion
Grauer J, Patel T, Erulkar J, Troiano N, Panjabi M, Friedlaender G. Evaluation of OP-1 as a Graft Substitute for Intertransverse Process Lumbar Fusion. Spine 2001, 26: 127-133. PMID: 11154530, DOI: 10.1097/00007632-200101150-00004.Peer-Reviewed Original ResearchConceptsIntertransverse process lumbar fusionIntertransverse process fusionManual palpationLumbar fusionOP-1Rabbit modelAutogenous iliac crest boneProcess fusionGraft substituteNew Zealand white rabbitsIliac crest boneOP-1 groupZealand white rabbitsMultidirectional flexibility testingAutograft specimensLess morbidityBiomechanical testing resultsCrest boneStudy groupAutograft groupBACKGROUND DATAFusion massWhite rabbitsL5-L6Bone graft substitute