2018
Evaluating the effect of growing patient numbers and changing data elements in the National Surgical Quality Improvement Program (NSQIP) database over the years: a study of posterior lumbar fusion outcomes
Shultz BN, Bovonratwet P, Ondeck NT, Ottesen TD, McLynn RP, Grauer JN. Evaluating the effect of growing patient numbers and changing data elements in the National Surgical Quality Improvement Program (NSQIP) database over the years: a study of posterior lumbar fusion outcomes. The Spine Journal 2018, 18: 1982-1988. PMID: 29649610, DOI: 10.1016/j.spinee.2018.03.016.Peer-Reviewed Original ResearchConceptsNational Surgical Quality Improvement ProgramNSQIP databaseERA groupPreoperative characteristicsPostoperative outcomesBlood transfusionSeptic shockOutcome studiesNational Surgical Quality Improvement Program databaseSurgeons National Surgical Quality Improvement ProgramQuality Improvement Program databaseSurgical Quality Improvement ProgramPosterior lumbar fusion surgeryLumbar fusion outcomesRetrospective cohort studyImprovement Program databaseYear of surgeryDeep vein thrombosisUrinary tract infectionLumbar fusion surgeryPostoperative day 30Number of patientsMultivariate Poisson regressionQuality Improvement ProgramPerioperative outcomes
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 sizeTreatments of Missing Values in Large National Data Affect Conclusions: The Impact of Multiple Imputation on Arthroplasty Research
Ondeck NT, Fu MC, Skrip LA, McLynn RP, Su EP, Grauer JN. Treatments of Missing Values in Large National Data Affect Conclusions: The Impact of Multiple Imputation on Arthroplasty Research. The Journal Of Arthroplasty 2017, 33: 661-667. PMID: 29153865, DOI: 10.1016/j.arth.2017.10.034.Peer-Reviewed Original ResearchConceptsUnicompartmental knee arthroplastyPreoperative albuminAdverse outcomesKnee arthroplastyNational Surgical Quality Improvement ProgramComplete case analysisHematocrit valuesSurgical Quality Improvement ProgramDemographics of patientsPreoperative laboratory valuesMultiple imputationQuality Improvement ProgramArthroplasty researchSelection biasHealthy patientsLaboratory valuesPotential selection biasPatientsJoint surgeonsComplete dataArthroplastyOnly caseNational datasetOutcomesConclusion
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 procedures
2012
Routine imaging for anterior cervical decompression and fusion procedures: a survey study establishing current practice patterns.
Bohl DD, Hustedt JW, Blizzard DJ, Badrinath R, Grauer JN. Routine imaging for anterior cervical decompression and fusion procedures: a survey study establishing current practice patterns. Orthopedics 2012, 35: e1068-72. PMID: 22784902, DOI: 10.3928/01477447-20120621-24.Peer-Reviewed Original ResearchConceptsAnterior cervical decompressionCervical decompressionFusion proceduresCurrent practice patternsStandard of careComputed tomography scanFlexion-extension radiographsSpine surgery fellowshipsHealth care costsMedian annual numberRecovery roomPlain radiographsPractice patternsTomography scanRadiology suiteRoutine imagingSpine surgeonsAnteroposterior viewCare costsVertebral bodySurgery fellowshipOperating roomPractice typeSurgeonsPractice duration
2009
The Timing and Influence of MRI on the Management of Patients With Cervical Facet Dislocations Remains Highly Variable
Grauer JN, Vaccaro AR, Lee JY, Nassr A, Dvorak MF, Harrop JS, Dailey AT, Shaffrey CI, Arnold PM, Brodke DS, Rampersaud R. The Timing and Influence of MRI on the Management of Patients With Cervical Facet Dislocations Remains Highly Variable. Clinical Spine Surgery A Spine Publication 2009, 22: 96-99. PMID: 19342930, DOI: 10.1097/bsd.0b013e31816a9ebd.Peer-Reviewed Original ResearchMeSH KeywordsCervical VertebraeClinical ProtocolsData CollectionDecision Support TechniquesJoint DislocationsJointsMagnetic Resonance ImagingNeurosurgeryObserver VariationOrthopedicsPractice Patterns, Physicians'Professional PracticeSpinal FracturesSpinal FusionSpinal InjuriesSurveys and QuestionnairesTime FactorsTomography, X-Ray ComputedTractionConceptsTraumatic cervical facet dislocationCervical facet dislocationMagnetic resonance imagingComplete spinal cord injuryInfluence of MRIManagement of patientsFacet dislocationSpinal cord injuryOpen reductionCord injuryOrthopaedic surgeonsUtilization of MRIEvidence-based algorithmDifferent clinical scenariosDevastating injuriesNeurologic examinationDisc herniationLigamentous disruptionPlain radiographsClosed treatmentTomography scanPatient managementTreatment decisionsOpen treatmentSpine surgeonsSurvey of spine surgeons on attitudes regarding osteoporosis and osteomalacia screening and treatment for fractures, fusion surgery, and pseudoarthrosis
Dipaola CP, Bible JE, Biswas D, Dipaola M, Grauer JN, Rechtine GR. Survey of spine surgeons on attitudes regarding osteoporosis and osteomalacia screening and treatment for fractures, fusion surgery, and pseudoarthrosis. The Spine Journal 2009, 9: 537-544. PMID: 19328744, DOI: 10.1016/j.spinee.2009.02.005.Peer-Reviewed Original ResearchConceptsDual-energy X-ray absorptiometrySpine fracturesSpine surgeonsMetabolic laboratoriesRisk factorsPractice patternsInstrumentation failureSpinal arthrodesisIndependent risk factorSignificant risk factorsLow-energy fracturesSpinal fusion operationsMetabolic bone disordersDegenerative spine conditionsX-ray absorptiometryPreoperative treatmentElderly patientsFracture careInstrumented fusionTreatment patternsOsteoporosis screeningFusion surgerySpine conditionsBone densitySpine specialists