2020
Patients' and Physicians' Knowledge of Radiation Exposure Related to Spine Surgery.
Scott MC, Galivanche AR, Mets EJ, Pathak N, Kahan JB, Burroughs PJ, Varthi AG, Rubin LE, Grauer JN. Patients' and Physicians' Knowledge of Radiation Exposure Related to Spine Surgery. Spine 2020, 45: e1507-e1515. PMID: 32858741, DOI: 10.1097/brs.0000000000003650.Peer-Reviewed Original ResearchConceptsSpine surgeryMagnetic resonance imagingRadiation exposureOutpatient settingPhysicians' knowledgeLumbar radiographsO-armCT imagingIntraoperative radiation exposureCross-sectional imagingCross-sectional surveyPhysician estimatesSpine proceduresBACKGROUND DATACare settingsIntraoperative fluoroscopyLumbar imagingPatientsSurgeryResonance imagingIntraoperative CTSurgeonsAwareness/knowledgeIntraoperative imagingRobotic spine surgeryCharacteristics and Predictors of HCAHPS Nonresponse After Spine Surgery.
Malpani R, Adrados M, Mercier MR, McLynn RP, Galivanche AR, Pathak N, Grauer JN. Characteristics and Predictors of HCAHPS Nonresponse After Spine Surgery. Spine 2020, 45: e448-e456. PMID: 31609883, PMCID: PMC7113123, DOI: 10.1097/brs.0000000000003287.Peer-Reviewed Original ResearchConceptsSpine surgery patientsSpine surgeryHCAHPS surveyPerioperative outcomesAdverse eventsPatient characteristicsSurgery patientsSingle institutionMultivariate analysisLonger hospital lengthHigher American SocietyMajor adverse eventsMinor adverse eventsRetrospective cohort studyMinority of patientsPatient satisfaction surveyHospital Consumer AssessmentSatisfaction surveyNonresponder biasHospital lengthPatient demographicsCohort studyHospital readmissionRetrospective analysisBACKGROUND DATA
2018
Inaccuracies in ICD Coding for Obesity Would Be Expected to Bias Administrative Database Spine Studies Toward Overestimating the Impact of Obesity on Perioperative Adverse Outcomes
McLynn RP, Geddes BJ, Cui JJ, Ondeck NT, Bovonratwet P, Shultz BN, Grauer JN. Inaccuracies in ICD Coding for Obesity Would Be Expected to Bias Administrative Database Spine Studies Toward Overestimating the Impact of Obesity on Perioperative Adverse Outcomes. Spine 2018, 43: 526-532. PMID: 28767639, DOI: 10.1097/brs.0000000000002356.Peer-Reviewed Original ResearchConceptsBody mass indexMajor adverse eventsAdverse eventsICD codesVenous thromboembolismElective posterior lumbar fusionGreater body mass indexPerioperative adverse outcomesPostoperative adverse eventsRetrospective cohort studyAssociation of obesityImpact of obesityLength of stayPosterior lumbar fusionLarge academic hospitalSpine surgery literaturePostoperative complicationsPostoperative factorsCohort studyMass indexAdverse outcomesLumbar fusionAcademic hospitalBACKGROUND DATASpine studies
2017
Results of Database Studies in Spine Surgery Can Be Influenced by Missing Data
Basques BA, McLynn RP, Fice MP, Samuel AM, Lukasiewicz AM, Bohl DD, Ahn J, Singh K, Grauer JN. Results of Database Studies in Spine Surgery Can Be Influenced by Missing Data. Clinical Orthopaedics And Related Research® 2017, 475: 2893-2904. PMID: 27896677, PMCID: PMC5670041, DOI: 10.1007/s11999-016-5175-7.Peer-Reviewed Original ResearchMeSH KeywordsComorbidityData AccuracyData CollectionData MiningDatabases, FactualDecision Support TechniquesHumansLength of StayLogistic ModelsMultivariate AnalysisOdds RatioOperative TimeOrthopedic ProceduresPostoperative ComplicationsPredictive Value of TestsProcess Assessment, Health CareRetrospective StudiesRisk AssessmentRisk FactorsSpinal DiseasesSpineTime FactorsTreatment OutcomeUnited StatesConceptsACS-NSQIP databaseAdverse eventsPreoperative laboratory valuesRisk factorsSpine surgeryOperating room timeLaboratory valuesSpine studiesACS-NSQIPDatabase studyRoom timeReference rangeQuality Improvement Program databasePerioperative laboratory valuesVariable reference rangesAnterior cervical discectomyImprovement Program databaseMost risk factorsLength of stayLarge database studiesDifferent risk factorsEffect sizeCervical discectomyMedical comorbiditiesGreater effect sizeOutpatient Anterior Cervical Discectomy and Fusion is Associated With Fewer Short-term Complications in One- and Two-level Cases
Fu MC, Gruskay JA, Samuel AM, Sheha ED, Derman PB, Iyer S, Grauer JN, Albert TJ. Outpatient Anterior Cervical Discectomy and Fusion is Associated With Fewer Short-term Complications in One- and Two-level Cases. Spine 2017, 42: 1044-1049. PMID: 28697092, DOI: 10.1097/brs.0000000000001988.Peer-Reviewed Original ResearchConceptsOutpatient anterior cervical discectomyAnterior cervical discectomyTwo-level ACDFPostdischarge complicationsPostoperative complicationsPostoperative morbidityRisk factorsCervical discectomyACDF casesOutpatient procedureOutpatient casesInpatient casesNational Surgical Quality Improvement Program databasePropensity-adjusted multivariable logistic regressionsQuality Improvement Program databaseCharlson Comorbidity IndexChronic steroid useOne-level ACDFOverall unadjusted rateGreater comorbidity burdenHigher American SocietyImprovement Program databaseIndependent risk factorRetrospective cohort studyShort-term complicationsDiscriminative ability of commonly used indices to predict adverse outcomes after poster lumbar fusion: a comparison of demographics, ASA, the modified Charlson Comorbidity Index, and the modified Frailty Index
Ondeck NT, Bohl DD, Bovonratwet P, McLynn RP, Cui JJ, Shultz BN, Lukasiewicz AM, Grauer JN. Discriminative ability of commonly used indices to predict adverse outcomes after poster lumbar fusion: a comparison of demographics, ASA, the modified Charlson Comorbidity Index, and the modified Frailty Index. The Spine Journal 2017, 18: 44-52. PMID: 28578164, DOI: 10.1016/j.spinee.2017.05.028.Peer-Reviewed Original ResearchConceptsPosterior lumbar fusionPerioperative adverse outcomesNational Surgical Quality Improvement ProgramCharlson Comorbidity IndexComorbidity indexAdverse outcomesAdverse eventsFrailty indexLumbar fusionSurgeons National Surgical Quality Improvement ProgramElective posterior lumbar fusionAnesthesiologists Physical Status Classification SystemDiscriminative abilitySurgical Quality Improvement ProgramPhysical Status Classification SystemAdverse outcome variablesDemographic factorsInfectious adverse eventsOutcome variablesPatient comorbidity indexPredictive demographic factorsMinor adverse eventsSevere adverse eventsBody mass indexHigh-level care
2015
Myelopathy Is Associated With Increased All-Cause Morbidity and Mortality Following Anterior Cervical Discectomy and Fusion
Lukasiewicz AM, Basques BA, Bohl DD, Webb ML, Samuel AM, Grauer JN. Myelopathy Is Associated With Increased All-Cause Morbidity and Mortality Following Anterior Cervical Discectomy and Fusion. Spine 2015, 40: 443-449. PMID: 25599286, DOI: 10.1097/brs.0000000000000785.Peer-Reviewed Original ResearchMeSH KeywordsAdultCervical VertebraeCohort StudiesDatabases, FactualDiskectomyFemaleHumansIntervertebral Disc DegenerationLength of StayLogistic ModelsMaleMiddle AgedOperative TimeQuality ImprovementRetrospective StudiesSocieties, MedicalSpinal Cord DiseasesSpinal DiseasesSpinal FusionSurvival RateTreatment OutcomeUnited StatesConceptsBaseline patient characteristicsAnterior cervical discectomyAdverse eventsACDF proceduresCervical discectomyCervical myelopathyPatient characteristicsSurgeons National Surgical Quality Improvement Program databaseNational Surgical Quality Improvement Program databaseMultivariate analysisQuality Improvement Program databaseSerious adverse eventsCervical spine pathologyImprovement Program databaseSevere adverse eventsMultivariate logistic regressionCommon surgical procedureCause morbidityRetrospective cohortSurgical characteristicsPatient factorsHigh morbidityDifferent morbiditiesPatient counselingDiagnosis codes
2014
Limitations of administrative databases in spine research: a study in obesity
Golinvaux NS, Bohl DD, Basques BA, Fu MC, Gardner EC, Grauer JN. Limitations of administrative databases in spine research: a study in obesity. The Spine Journal 2014, 14: 2923-2928. PMID: 24780248, DOI: 10.1016/j.spinee.2014.04.025.Peer-Reviewed Original ResearchConceptsICD-9 codesBody mass indexNational inpatient databaseProportion of patientsLarge academic medical centerNinth Revision codesCross-sectional studySurgery researchSpine surgery researchAcademic medical centerOnly comorbidityPediatric patientsMass indexInpatient DatabaseRevision codesDiagnosis codesMedical recordsAdministrative databasesSpine surgeryMedical CenterDatabase studyInternational ClassificationPatientsObesityLarger sample sizeUsing the ACS-NSQIP to Identify Factors Affecting Hospital Length of Stay After Elective Posterior Lumbar Fusion
Basques BA, Fu MC, Buerba RA, Bohl DD, Golinvaux NS, Grauer JN. Using the ACS-NSQIP to Identify Factors Affecting Hospital Length of Stay After Elective Posterior Lumbar Fusion. Spine 2014, 39: 497-502. PMID: 24384669, PMCID: PMC3961012, DOI: 10.1097/brs.0000000000000184.Peer-Reviewed Original ResearchMeSH KeywordsAge FactorsAgedBlood TransfusionBody Mass IndexChi-Square DistributionComorbidityDecision Support TechniquesElective Surgical ProceduresFemaleHumansLength of StayLinear ModelsLumbar VertebraeMaleMiddle AgedMultivariate AnalysisObesity, MorbidOperative TimePatient SelectionRetrospective StudiesRisk AssessmentRisk FactorsSpinal DiseasesSpinal FusionTime FactorsTreatment OutcomeUnited StatesConceptsElective posterior lumbar fusionPosterior lumbar fusionNational Surgical Quality Improvement Program databaseSurgeons National Surgical Quality Improvement Program databaseQuality Improvement Program databaseImprovement Program databaseLumbar fusionHospital lengthIntraoperative variablesExtended LOSProgram databaseAmerican CollegePosterior lumbar spine fusionPredictors of LOSRetrospective cohort studyBody mass indexLumbar spine fusionCommon surgical procedureImportant clinical variablesInpatient hospital costsLumbar spine pathologyAnesthesiologists classIntraoperative transfusionMorbid obesityCohort study
2013
Anterior and posterior cervical fusion in patients with high body mass index are not associated with greater complications
Buerba RA, Fu MC, Grauer JN. Anterior and posterior cervical fusion in patients with high body mass index are not associated with greater complications. The Spine Journal 2013, 14: 1643-1653. PMID: 24388595, DOI: 10.1016/j.spinee.2013.09.054.Peer-Reviewed Original ResearchConceptsBody mass indexPosterior cervical fusionHigher body mass indexEffect of obesityCervical fusionDeep vein thrombosisComplication rateMass indexPosterior fusionUnivariate analysisBasis of BMIExact testSurgeons National Surgical Quality Improvement ProgramMultivariate analysisNational Surgical Quality Improvement ProgramObese class III patientsSurgical Quality Improvement ProgramTotal operating room timeACS-NSQIP databaseCurrent Procedural Terminology codesRetrospective cohort analysisCervical fusion surgeryPrimary outcome measureSpinal fusion outcomesLength of stay
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 incidencePostoperative bracing after spine surgery for degenerative conditions: a questionnaire study
Bible JE, Biswas D, Whang PG, Simpson AK, Rechtine GR, Grauer JN. Postoperative bracing after spine surgery for degenerative conditions: a questionnaire study. The Spine Journal 2008, 9: 309-316. PMID: 18790685, DOI: 10.1016/j.spinee.2008.06.453.Peer-Reviewed Original ResearchConceptsSpine surgeonsPostoperative bracingSpinal proceduresSpecific spinal proceduresVariety of orthosesCervical spine proceduresAnterior cervical spineInstrumented lumbar fusionSingle-page questionnaireDuration of treatmentType of orthosisSpecific surgical proceduresQuestionnaire studyInternal fixationLumbar fusionCervical spineSpine surgeryClinical studiesSpine proceduresBracing protocolSurgical proceduresLumbar spineCommon reasonProper indicationsClinical experienceQuantifying the Effects of Degeneration and Other Patient Factors on Lumbar Segmental Range of Motion Using Multivariate Analysis
Bible JE, Simpson AK, Emerson JW, Biswas D, Grauer JN. Quantifying the Effects of Degeneration and Other Patient Factors on Lumbar Segmental Range of Motion Using Multivariate Analysis. Spine 2008, 33: 1793-1799. PMID: 18628713, DOI: 10.1097/brs.0b013e31817b8f3a.Peer-Reviewed Original ResearchConceptsBody mass indexLumbar ROMKellgren scoreMultivariate analysisSignificant negative associationSegmental ROML5-S1L4-L5Segmental rangeL3-L4L2-L3Negative associationMultivariate regression analysisPatient factorsRetrospective reviewMass indexClinical variablesUnivariate analysisBACKGROUND DATAFlexion/extensionSignificant associationL1-S1Role of ageInterobserver reliabilityDegeneration
2007
The Utility of Dynamic Flexion-Extension Radiographs in the Initial Evaluation of the Degenerative Lumbar Spine
Hammouri QM, Haims AH, Simpson AK, Alqaqa A, Grauer JN. The Utility of Dynamic Flexion-Extension Radiographs in the Initial Evaluation of the Degenerative Lumbar Spine. Spine 2007, 32: 2361-2364. PMID: 17906579, DOI: 10.1097/brs.0b013e318155796e.Peer-Reviewed Original ResearchConceptsDynamic flexion-extension radiographsFlexion-extension radiographsDegenerative lumbar spineInitial evaluationRadiographic seriesLumbar spineLateral radiographsRetrospective radiographic reviewDynamic radiographsRadiographic reviewStanding anteroposteriorRadiograph seriesClinical managementLumbar complaintsBACKGROUND DATAInclusion criteriaInitial courseMost surgeonsDynamic filmsRadiographsLateral filmsAnteroposteriorPotential roleSpineLumbar imagesFrom the imaging department: a questionnaire study of the use of radiographs in the evaluation of spine complaints
Hammouri QM, Simpson AK, Grauer JN, Rechtine G. From the imaging department: a questionnaire study of the use of radiographs in the evaluation of spine complaints. The Spine Journal 2007, 7: 745-747. PMID: 17919984, DOI: 10.1016/j.spinee.2007.04.015.Peer-Reviewed Original ResearchUtility of Flexion-Extension Radiographs in Evaluating the Degenerative Cervical Spine
White AP, Biswas D, Smart LR, Haims A, Grauer JN. Utility of Flexion-Extension Radiographs in Evaluating the Degenerative Cervical Spine. Spine 2007, 32: 975-979. PMID: 17450072, DOI: 10.1097/01.brs.0000261409.45251.a2.Peer-Reviewed Original ResearchConceptsFlexion-extension radiographsConsecutive patientsDynamic radiographsLateral radiographsDegenerative cervical conditionsDegenerative cervical spineFlexion-extension lateral radiographsNeutral lateral radiographsPrior cervical surgeryNontrauma populationCervical surgeryMyelopathic symptomsRetrospective cohortCervical fracturesSpine traumaInadequate radiographsInitial imagingPatient chartsPreoperative patientsRheumatoid arthritisCervical conditionsClinical managementCervical spineRecent traumaCongenital anomalies
2006
Back pain in athletes.
Lawrence JP, Greene HS, Grauer JN. Back pain in athletes. Journal Of The American Academy Of Orthopaedic Surgeons 2006, 14: 726-35. PMID: 17148620, DOI: 10.5435/00124635-200612000-00004.Peer-Reviewed Original ResearchConceptsBack painSelf-limiting symptomsChronic back painTreatment of athletesDegenerative disc diseaseHigh incidence rateSpecific spinal pathologyRecurrent symptomsSymptomatic improvementTreatment algorithmIdentifiable pathologyPhysical examinationThorough historyRisk factorsDisc diseaseImpact sportsIncidence rateLumbar injuriesClinical challengeLong-term consequencesLumbar spineAthletic activitySpinal pathologyRecreational athletesPertinent imagingAn Aneurysmal Bone Cyst in the Cervical Spine of a 10-Year-Old Girl: A Case Report
Beiner JM, Sastry A, Berchuck M, Grauer JN, Kwon BK, Ratliff JK, Stock GH, Brown AK, Vaccaro AR. An Aneurysmal Bone Cyst in the Cervical Spine of a 10-Year-Old Girl: A Case Report. Spine 2006, 31: e475-e479. PMID: 16778679, DOI: 10.1097/01.brs.0000222126.91514.cb.Peer-Reviewed Original ResearchConceptsAneurysmal bone cystBone cystCervical spineFourth cervical vertebraSurgical excisionPostlaminectomy kyphosisCervical vertebraeExpansile lytic lesionHigh cervical levelImmature cervical spineInstrumented posterior fusionPediatric age populationGood clinical resultsNeck painPostoperative irradiationCommon complicationLytic lesionsPediatric patientsRadiologic evaluationSurgical treatmentCervical levelPediatric populationPosterior fusionCase reportExcisional biopsy
2005
Summary statement: biologics for spine fusion
Grauer JN, Jenis LG, Wang JC, Shen FH, Fischgrund JS, Phillips FM. Summary statement: biologics for spine fusion. The Spine Journal 2005, 5: s259. PMID: 16291121, DOI: 10.1016/j.spinee.2005.02.009.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsThe evolution of allograft bone for spinal applications.
Grauer JN, Beiner JM, Kwon B, Vaccaro AR. The evolution of allograft bone for spinal applications. Orthopedics 2005, 28: 573-7; quiz 578-9. PMID: 16138470, DOI: 10.3928/0147-7447-20050601-13.Peer-Reviewed Original Research