2019
Demographics, mechanism of injury, and associated injuries of 25,615 patients with talus fractures in the National Trauma Data Bank
Anandasivam NS, Bagi P, Ondeck NT, Galivanche AR, Kuzomunhu LS, Samuel AM, Bohl DD, Grauer JN. Demographics, mechanism of injury, and associated injuries of 25,615 patients with talus fractures in the National Trauma Data Bank. Journal Of Clinical Orthopaedics And Trauma 2019, 11: 426-431. PMID: 32405203, PMCID: PMC7211819, DOI: 10.1016/j.jcot.2019.06.007.Peer-Reviewed Original ResearchNational Trauma Data BankCharlson Comorbidity IndexInjury Severity ScoreMechanism of injuryMotor vehicle accidentsTalus fracturesTrauma Data BankCalcaneus fracturesOrgan injuryModified Charlson Comorbidity IndexEpidemiology of fracturesInternal organ injuriesLower extremity fracturesLumbar spine fracturesNon-orthopedic injuriesThoracic organ injuryYears of ageComorbidity indexAdult patientsAssociated injuriesFracture patientsAnkle fracturesBony injuriesExtremity fracturesIntracranial injury
2018
What Associations Exist Between Comorbidity Indices and Postoperative Adverse Events After Total Shoulder Arthroplasty?
Fu MC, Ondeck NT, Nwachukwu BU, Garcia GH, Gulotta LV, Verma NN, Grauer JN. What Associations Exist Between Comorbidity Indices and Postoperative Adverse Events After Total Shoulder Arthroplasty? Clinical Orthopaedics And Related Research® 2018, 477: 881-890. PMID: 30614913, PMCID: PMC6437372, DOI: 10.1097/corr.0000000000000624.Peer-Reviewed Original ResearchConceptsNational Surgical Quality Improvement ProgramBody mass indexTotal shoulder arthroplastyPostoperative adverse eventsComorbidity indexAdverse eventsHighest AUCShoulder arthroplastyAnthropometric variablesSurgical Quality Improvement ProgramReverse total shoulder arthroplastyDiscriminative abilityCharlson Comorbidity IndexThirty-day outcomesSevere adverse eventsPreoperative risk stratificationModerate discriminative abilityYears of ageQuality Improvement ProgramGood discriminative abilityGreater associationCombination of ageAnesthesiologists classificationASA scoreMedical comorbiditiesPredicting Adverse Outcomes After Total Hip Arthroplasty: A Comparison of Demographics, the American Society of Anesthesiologists class, the Modified Charlson Comorbidity Index, and the Modified Frailty Index.
Ondeck NT, Bohl DD, Bovonratwet P, Anandasivam NS, Cui JJ, McLynn RP, Grauer JN. Predicting Adverse Outcomes After Total Hip Arthroplasty: A Comparison of Demographics, the American Society of Anesthesiologists class, the Modified Charlson Comorbidity Index, and the Modified Frailty Index. Journal Of The American Academy Of Orthopaedic Surgeons 2018, 26: 735-743. PMID: 30130353, DOI: 10.5435/jaaos-d-17-00009.Peer-Reviewed Original ResearchConceptsCharlson Comorbidity IndexTotal hip arthroplastyComorbidity indexAdverse outcomesAdverse eventsFrailty indexAnesthesiologists classTHA patientsHip arthroplastyModified Charlson Comorbidity IndexGeneral health complicationsModified Frailty IndexPerioperative adverse outcomesMinor adverse eventsExtended hospital staySevere adverse eventsHigh-level careComparison of demographicsAmerican SocietyDiscriminative abilityPatients ASAHospital stayPerioperative outcomesGreater discriminative abilityHealth complicationsSystematic 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 CollegePatientsDiscriminative Ability for Adverse Outcomes After Surgical Management of Hip Fractures
Ondeck NT, Bovonratwet P, Ibe IK, Bohl DD, McLynn RP, Cui JJ, Baumgaertner MR, Grauer JN. Discriminative Ability for Adverse Outcomes After Surgical Management of Hip Fractures. Journal Of Orthopaedic Trauma 2018, 32: 231-237. PMID: 29401098, DOI: 10.1097/bot.0000000000001140.Peer-Reviewed Original ResearchConceptsElixhauser comorbidity measuresCharlson Comorbidity IndexExtended hospital stayAdverse outcomesHip fractureComorbidity indexAdverse eventsSurgical managementLargest discriminative abilityHospital stayDiscriminative abilityDemographic factorsHospital adverse outcomesPrognostic Level IIIHip fracture surgeryMinor adverse eventsSevere adverse eventsHip fracture studiesNational Inpatient SampleOverall discriminative abilityAppropriate patient expectationsPostoperative complicationsFrailty indexFracture surgeryMedical management
2017
Discriminative Ability of Elixhauser's Comorbidity Measure is Superior to Other Comorbidity Scores for Inpatient Adverse Outcomes After Total Hip Arthroplasty
Ondeck NT, Bohl DD, Bovonratwet P, McLynn RP, Cui JJ, Grauer JN. Discriminative Ability of Elixhauser's Comorbidity Measure is Superior to Other Comorbidity Scores for Inpatient Adverse Outcomes After Total Hip Arthroplasty. The Journal Of Arthroplasty 2017, 33: 250-257. PMID: 28927567, DOI: 10.1016/j.arth.2017.08.032.Peer-Reviewed Original ResearchConceptsElixhauser comorbidity measuresCharlson Comorbidity IndexTotal hip arthroplastyAdverse outcomesComorbidity measuresComorbidity indexHip arthroplastyDiscriminative abilityBody mass indexNational Inpatient SampleLength of stayAdverse patient outcomesComorbidity scoreHospital stayPerioperative courseFrailty indexMass indexComplication measuresPatient's probabilityInpatient SamplePatient outcomesDemographic factors ageHigh riskOptimize outcomesAdmission centerTibial shaft fracture: A large-scale study defining the injured population and associated injuries
Anandasivam NS, Russo GS, Swallow MS, Basques BA, Samuel AM, Ondeck NT, Chung SH, Fischer JM, Bohl DD, Grauer JN. Tibial shaft fracture: A large-scale study defining the injured population and associated injuries. Journal Of Clinical Orthopaedics And Trauma 2017, 8: 225-231. PMID: 28951639, PMCID: PMC5605888, DOI: 10.1016/j.jcot.2017.07.012.Peer-Reviewed Original ResearchNational Trauma Data BankCharlson Comorbidity IndexInjury Severity ScoreTibial shaft fracturesMechanism of injuryShaft fracturesModified Charlson Comorbidity IndexLarge-scale studiesPredictors of mortalityTrauma Data BankMultivariate logistic regressionYears of ageComorbidity indexSeverity scoreInjured populationInjuryLogistic regressionPatientsFirst large-scale studyFracturesPopulationMortalityOutpatient 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 careAnalysis of Bony and Internal Organ Injuries Associated With 26,357 Adult Femoral Shaft Fractures and Their Impact on Mortality.
Anandasivam NS, Russo GS, Fischer JM, Samuel AM, Ondeck NT, Swallow MS, Chung SH, Bohl DD, Grauer JN. Analysis of Bony and Internal Organ Injuries Associated With 26,357 Adult Femoral Shaft Fractures and Their Impact on Mortality. Orthopedics 2017, 40: e506-e512. PMID: 28358976, DOI: 10.3928/01477447-20170327-01.Peer-Reviewed Original ResearchConceptsFemoral shaft fracturesMechanism of injuryCharlson Comorbidity IndexInjury Severity ScoreCommon MOIInternal organ injuriesShaft fracturesOrgan injuryAge groupsNational Trauma Data BankAdult femoral shaft fracturesRibs/sternumPredictors of mortalityAbdominal organ injuriesTrauma Data BankMultivariate logistic regressionSpectrum of injuriesMotor vehicle accidentsThoracic organ injuryOlder age groupsTibia/fibulaComorbidity burdenComorbidity indexBony injuriesTrauma patients
2016
Perioperative Outcomes After Cervical Laminoplasty Versus Posterior Decompression and Fusion
Varthi AG, Basques BA, Bohl DD, Golinvaux NS, Grauer JN. Perioperative Outcomes After Cervical Laminoplasty Versus Posterior Decompression and Fusion. Clinical Spine Surgery A Spine Publication 2016, 29: e226-e232. PMID: 25310393, DOI: 10.1097/bsd.0000000000000183.Peer-Reviewed Original ResearchConceptsMultilevel cervical pathologyBaseline patient characteristicsCervical laminoplastyShort-term outcomesPosterior decompressionLaminoplasty patientsFusion patientsCervical decompressionAdverse eventsPatient characteristicsCervical pathologySurgeons National Surgical Quality Improvement Program databaseNational Surgical Quality Improvement Program databasePropensity-adjusted multivariate analysisQuality Improvement Program databaseWorse short-term outcomesCharlson Comorbidity IndexPosterior cervical decompressionRetrospective cohort studyImprovement Program databaseLength of stayBivariate logistic regressionAnesthesiologists (ASA) scoreComorbidity indexPerioperative outcomesSurgical Treatment of Femoral Neck Fractures After 24 Hours in Patients Between the Ages of 18 and 49 Is Associated With Poor Inpatient Outcomes
Samuel AM, Russo GS, Lukasiewicz AM, Webb ML, Bohl DD, Basques BA, Grauer JN. Surgical Treatment of Femoral Neck Fractures After 24 Hours in Patients Between the Ages of 18 and 49 Is Associated With Poor Inpatient Outcomes. Journal Of Orthopaedic Trauma 2016, 30: 89-94. PMID: 26429407, DOI: 10.1097/bot.0000000000000456.Peer-Reviewed Original ResearchConceptsInpatient adverse eventsCharlson Comorbidity IndexMinor adverse eventsSerious adverse eventsAdverse eventsFemoral neck fracturesDischarge dispositionComorbidity indexSurgical treatmentNeck fracturesSurgical interventionLevel I trauma centerNational Trauma Data BankPoor inpatient outcomesPrognostic Level IIRetrospective cohort studyHours of admissionI trauma centerHours of presentationLong-term outcomesTrauma Data BankYears of ageNonelderly patientsInpatient outcomesUnderwent surgery
2015
Analysis of Delays to Surgery for Cervical Spinal Cord Injuries
Samuel AM, Bohl DD, Basques BA, Diaz-Collado PJ, Lukasiewicz AM, Webb ML, Grauer JN. Analysis of Delays to Surgery for Cervical Spinal Cord Injuries. Spine 2015, 40: 992-1000. PMID: 25785963, DOI: 10.1097/brs.0000000000000883.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAgedAged, 80 and overCervical VertebraeChi-Square DistributionComorbidityDatabases, FactualDecompression, SurgicalFemaleHumansKaplan-Meier EstimateLinear ModelsMaleMiddle AgedMultivariate AnalysisPatient AdmissionRetrospective StudiesRisk AssessmentRisk FactorsSpinal Cord InjuriesTime FactorsTime-to-TreatmentTreatment OutcomeYoung AdultConceptsCervical spinal cord injuryIncomplete spinal cord injurySpinal cord injuryNational Trauma Data Bank Research Data SetCentral spinal cord injuryComplete spinal cord injuryLate surgeryCord injuryUpper cervical spinal cord injuryGreater Charlson Comorbidity IndexSuperior neurological outcomeCharlson Comorbidity IndexMajority of patientsComorbidity indexNeurological outcomeUnderwent surgerySurgical timingInjury characteristicsRetrospective studyEmergency departmentInpatient admissionsPatient populationSurgery occurBACKGROUND DATAPatientsDelayed Surgery After Acute Traumatic Central Cord Syndrome Is Associated With Reduced Mortality
Samuel AM, Grant RA, Bohl DD, Basques BA, Webb ML, Lukasiewicz AM, Diaz-Collado PJ, Grauer JN. Delayed Surgery After Acute Traumatic Central Cord Syndrome Is Associated With Reduced Mortality. Spine 2015, 40: 349-356. PMID: 25757037, DOI: 10.1097/brs.0000000000000756.Peer-Reviewed Original ResearchConceptsAcute traumatic central cord syndromeTraumatic central cord syndromeCentral cord syndromeMinor adverse eventsSerious adverse eventsAdverse eventsAssociation of timeCord syndromeNational Trauma Data Bank Research Data SetNational Trauma Data Bank Research DataInjury severityPre-existing comorbidityCharlson Comorbidity IndexPre-existing comorbiditiesInjury Severity ScoreOdds of mortalityMultivariate logistic regressionSpinal cord injurySpinal cord recoveryPotential neurological effectsComorbidity indexEarly surgeryMedical optimizationInpatient mortalitySurgical timing