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
Incidence of and Risk Factors for Knee Collateral Ligament Injuries With Proximal Tibia Fractures: A Study of 32,441 Patients.
Samuel AM, Diaz-Collado PJ, Szolomayer LK, Wiznia DH, Chan WW, Lukasiewicz AM, Basques BA, Bohl DD, Grauer JN. Incidence of and Risk Factors for Knee Collateral Ligament Injuries With Proximal Tibia Fractures: A Study of 32,441 Patients. Orthopedics 2018, 41: e268-e276. PMID: 29451942, DOI: 10.3928/01477447-20180213-03.Peer-Reviewed Original ResearchConceptsCollateral ligament injuriesProximal tibia fracturesLigament injuryTibia fracturesRisk factorsCollateral ligamentLateral collateral ligament injuryMedial collateral ligament injuryNational Trauma Data BankInpatient adverse eventsLonger hospital stayInjury Severity ScoreDistal femur fracturesChronic knee instabilityTrauma Data BankKnee collateral ligamentsHospital stayInpatient outcomesAdverse eventsSimultaneous injuryFemur fracturesSeverity scoreKnee instabilityHigher oddsMultivariate analysis
2017
Tibial 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 studyFracturesPopulationMortalityAnalysis 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
Injury patterns and risk factors for orthopaedic trauma from snowboarding and skiing: a national perspective
Basques BA, Gardner EC, Samuel AM, Webb ML, Lukasiewicz AM, Bohl DD, Grauer JN. Injury patterns and risk factors for orthopaedic trauma from snowboarding and skiing: a national perspective. Knee Surgery, Sports Traumatology, Arthroscopy 2016, 26: 1916-1926. PMID: 27177641, DOI: 10.1007/s00167-016-4137-7.Peer-Reviewed Original ResearchConceptsPositive blood testExtremity fracturesBlood testsInjury patternsRisk factorsInjury severityHelmet useAge 18National Trauma Data BankPrognostic Level IIIInjury Severity ScoreUpper extremity fracturesDistal radius fracturesLower extremity fracturesTrauma Data BankMultivariate logistic regressionSignificant orthopaedic injuriesPositive drug testsIllegal substancesPopular winter sportsPatient demographicsMale sexRadius fracturesCommon injuriesEmergency department
2015
ICD-9 diagnosis codes have poor sensitivity for identification of preexisting comorbidities in traumatic fracture patients
Samuel AM, Lukasiewicz AM, Webb ML, Bohl DD, Basques BA, Davis KA, Grauer JN. ICD-9 diagnosis codes have poor sensitivity for identification of preexisting comorbidities in traumatic fracture patients. Journal Of Trauma And Acute Care Surgery 2015, 79: 622-630. PMID: 26402537, DOI: 10.1097/ta.0000000000000805.Peer-Reviewed Original ResearchConceptsICD-9 diagnosis codesNational Trauma Data BankInjury Severity ScoreProximal tibia fracturesBilling codesTibia fracturesDiagnosis codesOdds ratioSurgeons National Trauma Data BankICD-9 billing codesTraumatic fracture patientsPrevious myocardial infarctionTrauma Data BankICD-9 diagnosisMultivariate logistic regressionLarge national databaseICD-9 codingAdministrative billing codesFracture patientsIndividual comorbiditiesPatient comorbiditiesComorbidity diagnosesProspective studyTrauma populationMyocardial infarctionDelayed 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
2006
Confusion Regarding Mechanisms of Injury in the Setting of Thoracolumbar Spinal Trauma: A Survey of the Spine Trauma Study Group (STSG)
Schweitzer KM, Vaccaro AR, Lee JY, Grauer JN. Confusion Regarding Mechanisms of Injury in the Setting of Thoracolumbar Spinal Trauma: A Survey of the Spine Trauma Study Group (STSG). Clinical Spine Surgery A Spine Publication 2006, 19: 528-530. PMID: 17021418, DOI: 10.1097/01.bsd.0000211219.28566.d0.Peer-Reviewed Original ResearchConceptsSpine Trauma Study GroupInjury mechanismStudy groupThoracolumbar Injury Severity ScoreInjury Severity ScoreMechanism of injuryThoracolumbar Injury Classification SystemPosterior ligamentous complex disruptionThoracolumbar spinal traumaComplex injury patternsFlexion-compression injuriesPercent of physiciansThoracolumbar spine injuriesInjury classification systemPosterior ligamentous complexFisher's exact testNeurologic statusSpine injuriesInjury patternsSeverity scoreClinical examinationSpinal traumaObjective findingsThoracolumbar injuriesLigamentous complex