2018
Adverse Events Following Posterior Lumbar Fusion: A Comparison of Spine Surgeons Perceptions and Reported Data for Rates and Risk Factors.
Ondeck NT, Bohl DD, Bovonratwet P, McLynn RP, Cui JJ, Samuel AM, Webb ML, Grauer JN. Adverse Events Following Posterior Lumbar Fusion: A Comparison of Spine Surgeons Perceptions and Reported Data for Rates and Risk Factors. The International Journal Of Spine Surgery 2018, 12: 603-610. PMID: 30364864, PMCID: PMC6198632, DOI: 10.14444/5074.Peer-Reviewed Original ResearchPosterior lumbar fusionPatient risk factorsAdverse eventsRisk factorsPatient factorsLumbar fusionDegenerative conditionsElective posterior lumbar fusionSpine surgeons’ perceptionPostoperative adverse eventsAdverse event ratesUrinary tract infectionDeep vein thrombosisInsulin-dependent diabetesPostoperative complicationsCurrent smokingTract infectionsVein thrombosisDependent diabetesNSQIP dataExpectation settingInclusion criteriaAmerican CollegeSpine surgeonsEvent ratesSystematic Changes in the National Surgical Quality Improvement Program Database Over the Years Can Affect Comorbidity Indices Such as the Modified Frailty Index and Modified Charlson Comorbidity Index for Lumbar Fusion Studies
Shultz BN, Ottesen TD, Ondeck NT, Bovonratwet P, McLynn RP, Cui JJ, Grauer JN. Systematic Changes in the National Surgical Quality Improvement Program Database Over the Years Can Affect Comorbidity Indices Such as the Modified Frailty Index and Modified Charlson Comorbidity Index for Lumbar Fusion Studies. Spine 2018, 43: 798-804. PMID: 28922281, DOI: 10.1097/brs.0000000000002418.Peer-Reviewed Original ResearchConceptsNational Surgical Quality Improvement Program databaseQuality Improvement Program databaseCharlson Comorbidity IndexImprovement Program databaseComorbidity indexFrailty indexNSQIP databaseProgram databaseSurgeons National Surgical Quality Improvement Program databaseElective posterior lumbar fusionModified Charlson Comorbidity IndexModified Frailty IndexAdverse postoperative outcomesRetrospective cohort studyMean American SocietyMean ASA scorePosterior lumbar fusionAnesthesiologists (ASA) scoreASA scoreCohort studyPostoperative outcomesLumbar fusionBACKGROUND DATAAmerican CollegePatientsInaccuracies 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
Outpatient elective posterior lumbar fusions appear to be safely considered for appropriately selected patients
Bovonratwet P, Ottesen TD, Gala RJ, Rubio DR, Ondeck NT, McLynn RP, Grauer JN. Outpatient elective posterior lumbar fusions appear to be safely considered for appropriately selected patients. The Spine Journal 2017, 18: 1188-1196. PMID: 29155341, DOI: 10.1016/j.spinee.2017.11.011.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAgedAmbulatory Surgical ProceduresBlood TransfusionCohort StudiesDatabases, FactualElective Surgical ProceduresFemaleHumansInpatientsLumbar VertebraeMaleMiddle AgedPatient ReadmissionPatient SelectionPostoperative ComplicationsPropensity ScoreQuality ImprovementRetrospective StudiesSpinal FusionYoung AdultConceptsPosterior lumbar fusionPerioperative complicationsPostoperative complicationsNSQIP databaseInterbody fusionLumbar fusionNational Surgical Quality Improvement Program databaseSurgeons National Surgical Quality Improvement Program databaseElective posterior lumbar fusionQuality Improvement Program databasePropensity score-matched comparisonLower blood transfusionMost perioperative complicationsPostoperative adverse eventsRetrospective cohort comparison studyImprovement Program databaseRate of readmissionCareful patient selectionCohort comparison studyPotential confounding factorsInpatient cohortPLF casesHospital lengthPerioperative courseSelect patientsDiscriminative 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
2014
Using 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
Factors affecting length of stay after elective posterior lumbar spine surgery: a multivariate analysis
Gruskay JA, Fu M, Bohl DD, Webb ML, Grauer JN. Factors affecting length of stay after elective posterior lumbar spine surgery: a multivariate analysis. The Spine Journal 2013, 15: 1188-1195. PMID: 24184639, DOI: 10.1016/j.spinee.2013.10.022.Peer-Reviewed Original ResearchConceptsLength of stayAverage LOSHospital stayPostoperative complicationsIntraoperative factorsHeart diseasePredictors of LOSMultivariate analysisElective posterior lumbar fusionLonger LOSPosterior lumbar spine surgeryShorter LOSExtensive preoperative workupOne-level casesOnly preoperative variablesOrthopedic spine serviceLonger hospital stayDate of dischargeDate of surgeryTertiary care centerRetrospective case seriesWidespread systemic diseaseLumbar spine surgeryDecreased hospital stayPosterior lumbar fusion