2022
Effects of anode position on pedicle screw testing during lumbosacral spinal fusion surgery
Amick M, Ottesen TD, O'Marr J, Frenkel MY, Callahan B, Grauer JN. Effects of anode position on pedicle screw testing during lumbosacral spinal fusion surgery. The Spine Journal 2022, 22: 2000-2005. PMID: 35843532, DOI: 10.1016/j.spinee.2022.07.090.Peer-Reviewed Original ResearchMeSH KeywordsElectrodesHumansLumbar VertebraePedicle ScrewsProspective StudiesReproducibility of ResultsSpinal FusionConceptsPedicle screwsLumbosacral fusionPedicle screw stimulationProspective cohort studySpinal fusion surgeryLumbosacral pedicle screwsSafe screw placementCohort studyFusion surgeryOutcome measuresBACKGROUND DATAScrew stimulationClinical practiceClinical thresholdGluteal musclesScrew placementSurgical fieldSafe placementPatientsScrewsStimulationSuch implantsCurrent studyPlacementFormal evaluation
2015
Poor visualization limits diagnosis of proximal junctional kyphosis in adolescent idiopathic scoliosis
Basques BA, Long WD, Golinvaux NS, Bohl DD, Samuel AM, Lukasiewicz AM, Webb ML, Grauer JN. Poor visualization limits diagnosis of proximal junctional kyphosis in adolescent idiopathic scoliosis. The Spine Journal 2015, 17: 784-789. PMID: 26523958, DOI: 10.1016/j.spinee.2015.10.040.Peer-Reviewed Original ResearchConceptsProximal junctional kyphosisProximal junctional angleAdolescent idiopathic scoliosisUpper instrumented vertebraIntra-class correlation coefficientJunctional kyphosisInter-rater reliabilityIdiopathic scoliosisRetrospective cohort studyPosterior instrumented fusionExclusion of patientsSagittal Cobb anglePosterior spinal fusionIntra-rater reliabilityCohort studyInstrumented fusionAIS patientsSingle institutionPostoperative filmsSpinal fusionCobb angleUpright filmsPoor visualizationPatientsDiagnosis3D-FSE Isotropic MRI of the Lumbar Spine
Blizzard DJ, Haims AH, Lischuk AW, Arunakul R, Hustedt JW, Grauer JN. 3D-FSE Isotropic MRI of the Lumbar Spine. Clinical Spine Surgery A Spine Publication 2015, 28: 152-157. PMID: 23168390, DOI: 10.1097/bsd.0b013e31827a32ee.Peer-Reviewed Original ResearchEditorial: Large Database Studies—What They Can Do, What They Cannot Do, and Which Ones We Will Publish
Grauer JN, Leopold SS. Editorial: Large Database Studies—What They Can Do, What They Cannot Do, and Which Ones We Will Publish. Clinical Orthopaedics And Related Research® 2015, 473: 1537-1539. PMID: 25724835, PMCID: PMC4385344, DOI: 10.1007/s11999-015-4223-z.Commentaries, Editorials and Letters
2014
Variations in Data Collection Methods Between National Databases Affect Study Results
Bohl DD, Russo GS, Basques BA, Golinvaux NS, Fu MC, Long WD, Grauer JN. Variations in Data Collection Methods Between National Databases Affect Study Results. Journal Of Bone And Joint Surgery 2014, 96: e193. PMID: 25471919, DOI: 10.2106/jbjs.m.01490.Peer-Reviewed Original ResearchConceptsNational Surgical Quality Improvement ProgramSurgical Quality Improvement ProgramNationwide Inpatient SampleInpatient adverse eventsQuality Improvement ProgramInpatient SampleAdverse eventsNational databaseLumbar spinal fusion proceduresNon-morbid obesityAcute kidney injuryRetrospective cohort studyPeripheral vascular diseaseDemographic characteristicsCommon orthopaedic proceduresAdverse event dataSpinal fusion proceduresOrthopaedic researchKidney injuryCohort studySpecific comorbiditiesSimilar patientsVascular diseaseDatabase studyOrthopedic proceduresImproving visual estimates of cervical spine range of motion.
Hirsch BP, Webb ML, Bohl DD, Fu M, Buerba RA, Gruskay JA, Grauer JN. Improving visual estimates of cervical spine range of motion. The American Journal Of Orthopedics 2014, 43: e261-5. PMID: 25379754.Peer-Reviewed Original ResearchMeSH KeywordsArthrometry, ArticularCervical VertebraeHumansOrthopedicsPhysical ExaminationRange of Motion, ArticularReproducibility of ResultsConceptsCervical spine ROMCervical spine rangeSpine ROMSpine rangeTraining sessionsSurgical outcomesCervical conditionsFunctional impairmentHealthy subjectsPermanent impairmentClinical practiceClinical acceptanceAssociated costsImpairmentMonthsFull motionVisual assessmentVisual estimationROMSessionsMedical studentsSubjectsVisual estimatesCliniciansSurgeonsInterrater and intrarater agreements of magnetic resonance imaging findings in the lumbar spine: significant variability across degenerative conditions
Fu MC, Buerba RA, Long WD, Blizzard DJ, Lischuk AW, Haims AH, Grauer JN. Interrater and intrarater agreements of magnetic resonance imaging findings in the lumbar spine: significant variability across degenerative conditions. The Spine Journal 2014, 14: 2442-2448. PMID: 24642053, DOI: 10.1016/j.spinee.2014.03.010.Peer-Reviewed Original ResearchConceptsMagnetic resonance imagingLumbar spineIntrarater agreementDegenerative conditionsMRI findingsInterrater agreementLumbar spine magnetic resonance imagingStandardized criteriaLumbar magnetic resonance imagingSpine magnetic resonance imagingLarge academic medical centerRetrospective diagnostic studyBone marrow changesDisc space heightAbsolute interrater agreementDegenerative lumbar spineLumbar vertebral levelDifferent pathologic conditionsAcademic medical centerFleiss' kappa coefficientModerate overall agreementDegenerative findingsMarrow changesSagittal MRI sequencesDegenerative changesNationwide Inpatient Sample and National Surgical Quality Improvement Program Give Different Results in Hip Fracture Studies
Bohl DD, Basques BA, Golinvaux NS, Baumgaertner MR, Grauer JN. Nationwide Inpatient Sample and National Surgical Quality Improvement Program Give Different Results in Hip Fracture Studies. Clinical Orthopaedics And Related Research® 2014, 472: 1672-1680. PMID: 24615426, PMCID: PMC4016448, DOI: 10.1007/s11999-014-3559-0.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overComorbidityData MiningDatabases, FactualEvidence-Based MedicineFemaleFracture FixationHip FracturesHospitalizationHumansInpatientsLength of StayMaleMiddle AgedOutcome and Process Assessment, Health CarePostoperative ComplicationsPrevalenceQuality ImprovementQuality Indicators, Health CareReproducibility of ResultsRetrospective StudiesRisk AssessmentRisk FactorsTime FactorsTreatment OutcomeUnited StatesConceptsNational Surgical Quality Improvement ProgramNationwide Inpatient SampleSurgical Quality Improvement ProgramInpatient adverse eventsAcute kidney injuryPeripheral vascular diseaseAdverse eventsUrinary tract infectionQuality Improvement ProgramKidney injuryNSQIP databaseTract infectionsInpatient SampleVascular diseaseMethodsA retrospective cohort studyQuestions/PurposesThe purposeRetrospective cohort studyStatistical differenceTerms of comorbiditiesSurgical site infectionHip fracture studiesIntertrochanteric hip fracturesLength of stayGreat clinical importanceTerms of demographics
2011
The Effects of Three Different Types of Orthoses on the Range of Motion of the Lumbar Spine During 15 Activities of Daily Living
Jegede KA, Miller CP, Bible JE, Whang PG, Grauer JN. The Effects of Three Different Types of Orthoses on the Range of Motion of the Lumbar Spine During 15 Activities of Daily Living. Spine 2011, 36: 2346-2353. PMID: 21358469, DOI: 10.1097/brs.0b013e31820921a5.Peer-Reviewed Original ResearchReproducibility 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 ResearchMeSH KeywordsAxis, Cervical VertebraCervical VertebraeHumansOrthopedic ProceduresPhysiciansRadiographyRandom AllocationReproducibility of ResultsSpinal InjuriesConceptsSubaxial 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 measurementOblique radiographs compared favorably with computed tomography images in assessing cervical foraminal area.
Miller CP, Sabino J, Bible JE, Whang PG, Grauer JN. Oblique radiographs compared favorably with computed tomography images in assessing cervical foraminal area. The American Journal Of Orthopedics 2011, 40: 241-5. PMID: 21734932.Peer-Reviewed Original ResearchConceptsOblique radiographsComputed tomographyForaminal dimensionsCT scanFirst-line imaging studyCervical intervertebral foraminaNerve root compressionRoot compressionForaminal areaCervical spineIntervertebral foraminaDiagnostic utilityImaging studiesRadiographsRadiation exposureComputed tomography imagesCross-sectional areaInitial assessmentPearson correlation coefficientC2-C3Tomography imagesScansCT reconstructionPrevious studiesPatency
2009
The Assessment of Cervical Foramina With Oblique Radiographs: The Effect of Film Angle on Foraminal Area
Simpson AK, Sabino J, Whang P, Emerson JW, Grauer JN. The Assessment of Cervical Foramina With Oblique Radiographs: The Effect of Film Angle on Foraminal Area. Clinical Spine Surgery A Spine Publication 2009, 22: 21-25. PMID: 19190430, DOI: 10.1097/bsd.0b013e3181639b62.Peer-Reviewed Original ResearchConceptsForaminal areaEntire cervical spineCervical spineForaminal dimensionsCervical foraminaCervical radiographsOblique radiographsCervical spine levelsHuman cadaveric cervical spinesCadaveric cervical spine specimensUpper cervical spineCadaveric cervical spinesGood interobserver reliabilityCervical spine specimensRadiographic evaluationC7-T1BACKGROUND DATASpine levelRadiographsInterobserver reliabilityRight sideSpineForamen sizeSpine specimensFreehand method
2008
MR Findings of Exaggerated Fluid in Facet Joints Predicts Instability
Schinnerer KA, Katz LD, Grauer JN. MR Findings of Exaggerated Fluid in Facet Joints Predicts Instability. Clinical Spine Surgery A Spine Publication 2008, 21: 468-472. PMID: 18836356, DOI: 10.1097/bsd.0b013e3181585bab.Peer-Reviewed Original ResearchConceptsMagnetic resonance imagingFacet jointsPlain filmsLumbar spine magnetic resonance imagingLumbar magnetic resonance imagingSpine magnetic resonance imagingSupine magnetic resonance imagingAxial magnetic resonance imagingConsecutive magnetic resonance imagingLow back painLumbar facet jointsRetrospective radiographic reviewIncidence of spondylolisthesisRadiographic evidenceSingle surgeonBack painRadiographic reviewSagittal MRI sequencesBACKGROUND DATAMR findingsSpondylolisthesisResonance imagingCorresponding radiographsSubtle instabilityRelative incidence
2007
A Quantitative and Reproducible Method to Assess Cord Compression and Canal Stenosis After Cervical Spine Trauma
Furlan JC, Fehlings MG, Massicotte EM, Aarabi B, Vaccaro AR, Bono CM, Madrazo I, Villanueva C, Grauer JN, Mikulis D. A Quantitative and Reproducible Method to Assess Cord Compression and Canal Stenosis After Cervical Spine Trauma. Spine 2007, 32: 2083-2091. PMID: 17762809, DOI: 10.1097/brs.0b013e318145a91c.Peer-Reviewed Original ResearchMeSH KeywordsAcute DiseaseAdultAgedCervical VertebraeFemaleHumansImage Interpretation, Computer-AssistedMagnetic Resonance ImagingMaleMiddle AgedNorth AmericaObserver VariationPrognosisReproducibility of ResultsSeverity of Illness IndexSignal Processing, Computer-AssistedSpinal Cord CompressionSpinal Cord InjuriesSpinal StenosisTomography, X-Ray ComputedConceptsMaximum spinal cord compressionTraumatic cervical spinal cord injuryCervical spinal cord injuryMaximum canal compromiseSpinal cord injuryInterclass correlation coefficientCord compressionIntrarater reliabilityAcute traumatic cervical spinal cord injuryTraumatic spinal cord injuryCervical spine traumaSpinal cord compressionT1-weighted MRIT2-weighted MR imagesCanal stenosisCanal compromiseSpine traumaPrognostic valueCord injuryRadiologic parametersCervical spineBACKGROUND DATACT scanMidsagittal MRIInterrater ICC
2005
Proposal of a modified, treatment-oriented classification of odontoid fractures
Grauer JN, Shafi B, Hilibrand AS, Harrop JS, Kwon BK, Beiner JM, Albert TJ, Fehlings MG, Vaccaro AR. Proposal of a modified, treatment-oriented classification of odontoid fractures. The Spine Journal 2005, 5: 123-129. PMID: 15749611, DOI: 10.1016/j.spinee.2004.09.014.Peer-Reviewed Original ResearchClassificationFracture FixationHumansOdontoid ProcessOrthopedicsReproducibility of ResultsSpinal Fractures