2023
Diverticulitis in Older Adults: Is Cognitive Impairment Associated With Outcomes?
Kodadek L, Moore M, Canner J, Schneider E. Diverticulitis in Older Adults: Is Cognitive Impairment Associated With Outcomes? Journal Of Surgical Research 2023, 291: 359-366. PMID: 37506436, DOI: 10.1016/j.jss.2023.06.015.Peer-Reviewed Original ResearchConceptsColonic diverticulitisCognitive impairmentEmergency departmentOlder adultsHospital mortalityOperative interventionInpatient admissionsPrimary diagnosisMultivariable Poisson regression modelsNationwide Emergency Department SamplePrimary payer statusRetrospective cohort studyElixhauser Comorbidity IndexEmergency Department SampleComorbid cognitive impairmentPoisson regression modelsComorbidity indexComplicated diverticulitisCognitive impairment statusCohort studyED encountersPatient ageED carePayer statusRelative risk
2019
Socioeconomically Distressed Communities Index independently predicts major adverse limb events after infrainguinal bypass in a national cohort
Hawkins R, Mehaffey J, Charles E, Kern J, Schneider E, Tracci M. Socioeconomically Distressed Communities Index independently predicts major adverse limb events after infrainguinal bypass in a national cohort. Journal Of Vascular Surgery 2019, 70: 1985-1993.e8. PMID: 31761106, DOI: 10.1016/j.jvs.2019.03.060.Peer-Reviewed Original ResearchConceptsDistressed Communities IndexMajor adverse limb eventsAdverse limb eventsInfrainguinal bypassGraft occlusionIndependent predictorsLimb eventsMajor adverse cardiovascular eventsLong-term maleAdverse cardiovascular eventsOperative risk factorsCritical limb ischemiaMore comorbid diseasesCare-related outcomesHealth care-related outcomesPrior amputationHospital mortalityCardiovascular eventsComorbid diseasesLimb ischemiaSurgical outcomesNational cohortVascular diseaseRisk factorsUnivariate analysis
2018
Conscious status is associated with the likelihood of trauma centre care and mortality in patients with moderate-to-severe traumatic brain injury
AlSulaim H, Haring R, Asemota A, Smart B, Canner J, Ejaz A, Efron D, Velopulos C, Haut E, Schneider E. Conscious status is associated with the likelihood of trauma centre care and mortality in patients with moderate-to-severe traumatic brain injury. Brain Injury 2018, 32: 784-793. PMID: 29561720, DOI: 10.1080/02699052.2018.1451658.Peer-Reviewed Original ResearchConceptsLoss of consciousnessNon-trauma centersTraumatic brain injuryTrauma centerBrain injuryHead/neck Abbreviated Injury Scale scoreNeck Abbreviated Injury Scale scoreLevel I/II trauma centersAbbreviated Injury Scale scoreSevere traumatic brain injuryInjury Scale scoreOdds of mortalityTrauma center careTC treatmentLogistic regression modelsHospital mortalityOlder patientsPatient demographicsPrimary outcomeInjury characteristicsNinth RevisionAIS scoreTBI outcomesPrevention criteriaClinical ModificationThe “mortality ascent”
Herrera-Escobar JP, Rios-Diaz AJ, Zogg CK, Wolf LL, Harlow A, Schneider EB, Cooper Z, Ordonez CA, Salim A, Haider AH. The “mortality ascent”. Journal Of Trauma And Acute Care Surgery 2018, 84: 139-145. PMID: 28930947, DOI: 10.1097/ta.0000000000001706.Peer-Reviewed Original ResearchConceptsUnstable trauma patientsLevel I TCsLevel II TCsHours postadmissionTrauma patientsLevel ILevel IIMortality riskHospital mortalityLog-binomial regression modelsNational Trauma Data BankComparable mortality riskHospital-level confoundersInjury Severity ScoreSystolic blood pressureAvailable treatment modalitiesTrauma Data BankSpecific risk factorsRisk-adjusted modelsBlood pressureHigher relative mortalityUnstable patientsBurn patientsSeverity scoreTreatment modalities
2016
Validation of international trauma scoring systems in urban trauma centres in India
Roy N, Gerdin M, Schneider E, Veetil D, Khajanchi M, Kumar V, Saha M, Dharap S, Gupta A, Tomson G, von Schreeb J. Validation of international trauma scoring systems in urban trauma centres in India. Injury 2016, 47: 2459-2464. PMID: 27667119, DOI: 10.1016/j.injury.2016.09.027.Peer-Reviewed Original ResearchConceptsInjury Severity ScoreTrauma Injury Severity ScoreKampala Trauma ScoreTrauma patientsCasualty departmentPhysiological scoreTrauma centerSeverity scoreProspective multi-centre observational cohort studyMulti-center observational cohort studyInjury Severity Scale scoreAdult trauma patientsObservational cohort studySeverity Scale scoreUrban trauma centerHistory of injuryIncome country settingsMiddle-income country settingsHospital mortalityLate mortalityUrban Indian settingAdult patientsCohort studyInpatient mortalityPhysiologic scoreOutcomes of abdominoperineal resection for management of anal cancer in HIV-positive patients: a national case review
Leeds IL, Alturki H, Canner JK, Schneider EB, Efron JE, Wick EC, Gearhart SL, Safar B, Fang SH. Outcomes of abdominoperineal resection for management of anal cancer in HIV-positive patients: a national case review. World Journal Of Surgical Oncology 2016, 14: 208. PMID: 27495294, PMCID: PMC4974747, DOI: 10.1186/s12957-016-0970-x.Peer-Reviewed Original ResearchMeSH KeywordsAbdomenAdultAge FactorsAgedAnus NeoplasmsCarcinoma, Squamous CellComorbidityFemaleFollow-Up StudiesHealth Status DisparitiesHIV InfectionsHospital MortalityHumansIncidenceLength of StayMaleMiddle AgedNeoplasm Recurrence, LocalPerineumPostoperative ComplicationsRetrospective StudiesRisk FactorsSalvage TherapyTreatment OutcomeConceptsHIV-positive patientsLength of stayHIV-negative patientsAnal cancerNational Inpatient SampleAbdominoperineal resectionHospitalization costsHIV infectionAnal squamous cell cancerAnal squamous cell carcinomaUtilization Project National Inpatient SampleGreater hospitalization costsWorse postoperative recoveryHIV-positive groupMethodsA retrospective reviewAnal cancer patientsSquamous cell cancerHuman immunodeficiency virusMultivariable logistic regressionSquamous cell carcinomaHospital mortalityHospital stayPerioperative complicationsPostoperative hemorrhagePostoperative outcomesIntensity of treatment, end-of-life care, and mortality for older patients with severe traumatic brain injury
Lilley E, Williams K, Schneider E, Hammouda K, Salim A, Haider A, Cooper Z. Intensity of treatment, end-of-life care, and mortality for older patients with severe traumatic brain injury. Journal Of Trauma And Acute Care Surgery 2016, 80: 998-1004. PMID: 26953761, DOI: 10.1097/ta.0000000000001028.Peer-Reviewed Original ResearchConceptsSevere traumatic brain injuryTraumatic brain injuryGeriatric patientsFunctional statusBrain injuryHospital mortality outcomesPatients 65 yearsDays of injuryGoals of careFurther aggressive treatmentSurgery of TraumaIntensity of treatmentHospital mortalityHospital deathLife decision makingAggressive treatmentHospital dischargeIdentifies patientsNeurologic statusNonresponder groupOlder patientsRetrospective reviewMortality outcomesPoor prognosisFunctional impairment“Halo effect” in trauma centers: does it extend to emergent colectomy?
Nagarajan N, Selvarajah S, Gani F, Alshaikh HN, Giuliano K, Zogg CK, Schneider EB, Haider AH. “Halo effect” in trauma centers: does it extend to emergent colectomy? Journal Of Surgical Research 2016, 203: 231-237. PMID: 27125867, DOI: 10.1016/j.jss.2016.01.037.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAgedAged, 80 and overColectomyDatabases, FactualDiverticulitis, ColonicEmergenciesFemaleHospital ChargesHospital MortalityHumansLength of StayLinear ModelsLogistic ModelsMaleMiddle AgedPoisson DistributionQuality Assurance, Health CareQuality Indicators, Health CareTrauma CentersTreatment OutcomeUnited StatesYoung AdultConceptsLength of stayNontrauma centersHospital-level characteristicsTrauma centerEmergent colectomyEmergency general surgery conditionsEmergency general surgery proceduresNationwide Emergency Department SampleEmergency surgical interventionOdds of mortalityEmergency Department SampleGeneral surgery proceduresNontrauma conditionsHospital mortalityMedian ageSurgical interventionSurgical conditionsImproved outcomesSex distributionSurgical careMedian chargePatientsSurgery proceduresSurgery conditionsCase mix
2015
Early Versus Late Readmission After Surgery Among Patients With Employer-provided Health Insurance
Kim Y, Gani F, Lucas D, Ejaz A, Spolverato G, Canner J, Schneider E, Pawlik T. Early Versus Late Readmission After Surgery Among Patients With Employer-provided Health Insurance. Annals Of Surgery 2015, 262: 502-511. PMID: 26258319, DOI: 10.1097/sla.0000000000001429.Peer-Reviewed Original ResearchMeSH KeywordsAcademic Medical CentersAgedCohort StudiesDatabases, FactualFemaleHealth Benefit Plans, EmployeeHealth Care CostsHospital CostsHumansLength of StayLogistic ModelsMaleMiddle AgedMultivariate AnalysisPatient DischargePatient ReadmissionRetrospective StudiesSurgical Procedures, OperativeTime FactorsConceptsNon-index hospitalsDays of dischargeMajor surgical proceduresSame-hospital readmissionsLate readmissionIndex hospitalHospital readmissionSurgical proceduresTruven Health MarketScan Commercial ClaimsMultivariable logistic regression analysisCharlson Comorbidity IndexMarketScan Commercial ClaimsLogistic regression analysisHospital mortalityComorbidity indexIndex dischargeEarly readmissionTrue incidenceEncounters DatabaseCommercial ClaimsReadmissionPatientsDifferent hospitalsHospitalHealth insuranceEmergency department presentation, admission, and surgical intervention for colonic diverticulitis in the United States
Schneider E, Singh A, Sung J, Hassid B, Selvarajah S, Fang S, Efron J, Lidor A. Emergency department presentation, admission, and surgical intervention for colonic diverticulitis in the United States. The American Journal Of Surgery 2015, 210: 404-407. PMID: 26002192, DOI: 10.1016/j.amjsurg.2014.12.050.Peer-Reviewed Original ResearchConceptsED patientsSurgical interventionColonic diverticulitisUnderwent surgeryED visitsEmergency departmentNationwide Emergency Department SampleEmergency department presentationsEmergency Department SampleHospital mortalityPatient agePatients 65Inpatient admissionsPrimary diagnosisDiverticulitisOutpatient servicesGreater oddsPatientsAdmissionInterventionSurgeryVisitsFuture studiesYearsColectomyNational estimates of predictors of outcomes for emergency general surgery
Shah AA, Haider AH, Zogg CK, Schwartz DA, Haut ER, Zafar SN, Schneider EB, Velopulos CG, Shafi S, Zafar H, Efron DT. National estimates of predictors of outcomes for emergency general surgery. Journal Of Trauma And Acute Care Surgery 2015, 78: 482-491. PMID: 25710417, DOI: 10.1097/ta.0000000000000555.Peer-Reviewed Original ResearchConceptsEmergency general surgeryEGS patientsMajor complicationsGeneral surgeryMultivariate logistic regression analysisOverall complication ratePredictors of mortalityClinical Modification codesOverall mortality rateNationwide Inpatient SampleSeparate multivariate logistic regression analysesSurgery of TraumaDRG International ClassificationLogistic regression analysisHighest income quartileHospital complicationsHospital mortalityComplication ratePatient demographicsSurgical complicationsIndependent predictorsPrimary outcomeEGS conditionsMean ageInpatient SampleOutcomes after emergency general surgery at teaching versus nonteaching hospitals
Zafar S, Shah A, Hashmi Z, Efron D, Haut E, Schneider E, Schwartz D, Velopulos C, Cornwell E, Haider A. Outcomes after emergency general surgery at teaching versus nonteaching hospitals. Journal Of Trauma And Acute Care Surgery 2015, 78: 69-77. PMID: 25539205, DOI: 10.1097/ta.0000000000000493.Peer-Reviewed Original ResearchMeSH KeywordsAcute DiseaseAdolescentAdultAgedAged, 80 and overComorbidityEmergency TreatmentFemaleGeneral SurgeryHospital CostsHospital MortalityHospitals, TeachingHumansLength of StayMaleMiddle AgedOutcome and Process Assessment, Health CarePostoperative ComplicationsPropensity ScoreQuality of Health CareRetrospective StudiesSeverity of Illness IndexUnited StatesConceptsLength of stayHospital costsMajor complicationsQuality of careTeaching hospitalEGS conditionsNonteaching hospitalsEmergency general surgery conditionsEffect estimatesEmergency general surgeryHospital-level factorsMajority of patientsNationwide Inpatient SampleHigher hospital costsSurgery of TraumaEmergency surgical conditionsStandardized differenceMultivariate regression analysisEGS volumeHospital mortalityOperative managementInpatient SampleSurgical conditionsWorse outcomesGeneral surgery
2014
Race-based differences in length of stay among patients undergoing pancreatoduodenectomy
Schneider EB, Calkins KL, Weiss MJ, Herman JM, Wolfgang CL, Makary MA, Ahuja N, Haider AH, Pawlik TM. Race-based differences in length of stay among patients undergoing pancreatoduodenectomy. Surgery 2014, 156: 528-537. PMID: 24973128, DOI: 10.1016/j.surg.2014.04.004.Peer-Reviewed Original ResearchMeSH KeywordsAgedBlack or African AmericanCross-Sectional StudiesFemaleGeneral SurgeryHealthcare DisparitiesHispanic or LatinoHospital MortalityHospitalsHumansLength of StayLogistic ModelsMaleMiddle AgedPancreaticoduodenectomyPostoperative ComplicationsRacial GroupsRetrospective StudiesUnited StatesWhite PeopleConceptsHigh-volume hospitalsHigh-volume surgeonsHispanic patientsRace-based differencesWhite patientsMedian annual surgeon volumeAnnual hospital volumeAnnual surgeon volumeOverall median LOSNationwide Inpatient SampleMultivariable logistic regressionLength of stayHospital mortalityHospital lengthMedian LOSHospital volumeOperative morbidityProvider volumeSurgeon volumeMedian lengthPD patientsInpatient SamplePatient racePancreatoduodenectomyEligible individualsIncreased mortality associated with EMS transport of gunshot wound victims when compared to private vehicle transport
Zafar S, Haider A, Stevens K, Ray-Mazumder N, Kisat M, Schneider E, Chi A, Galvagno S, Cornwell E, Efron D, Haut E. Increased mortality associated with EMS transport of gunshot wound victims when compared to private vehicle transport. Injury 2014, 45: 1320-1326. PMID: 24957424, DOI: 10.1016/j.injury.2014.05.032.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAgedAged, 80 and overAmbulancesAutomobilesEmergency Medical ServicesFemaleFluid TherapyGravity SuitsHospital MortalityHumansImmobilizationInjury Severity ScoreIntubation, IntratrachealMaleMiddle AgedMonitoring, PhysiologicOutcome and Process Assessment, Health CareRetrospective StudiesTime FactorsTransportation of PatientsTrauma CentersUnited StatesWounds, GunshotConceptsEmergency medical servicesProportion of patientsGSW patientsTrauma centerGunshot woundsNational Trauma Data BankGunshot wound victimsTrauma Data BankIndividual trauma centersMultivariable regression analysisHospital mortalityPatient demographicsUnadjusted mortalityTrauma patientsMultivariable analysisTwofold oddsEMS transportMortality differencesPatientsInjury severityPrivate vehicle transportMortalityWide variationMedical servicesFurther studiesInpatient survival after gastrectomy for gastric cancer in the 21st century
Wang H, Pawlik TM, Duncan MD, Hui X, Selvarajah S, Canner JK, Haider AH, Ahuja N, Schneider EB. Inpatient survival after gastrectomy for gastric cancer in the 21st century. Journal Of Surgical Research 2014, 190: 72-78. PMID: 24725677, DOI: 10.1016/j.jss.2014.03.015.Peer-Reviewed Original ResearchConceptsLength of stayHospital-level factorsHospital mortalityGastric cancerNonelective admissionsLonger LOSBetter patient selectionNationwide Inpatient SampleMultivariable regression modelingRegionalization of careType of procedureInpatient survivalSurgery typeSurgical treatmentMultivariable analysisPatient selectionInpatient SamplePrimary diagnosisMale genderPrimary procedureProcedure typeTeaching hospitalLower oddsGastrectomyPatients
2013
Assessing short- and long-term outcomes among black vs white Medicare patients undergoing resection of colorectal cancer
Schneider E, Haider A, Hyder O, Efron J, Lidor A, Pawlik T. Assessing short- and long-term outcomes among black vs white Medicare patients undergoing resection of colorectal cancer. The American Journal Of Surgery 2013, 205: 402-408. PMID: 23375764, PMCID: PMC3999705, DOI: 10.1016/j.amjsurg.2012.08.005.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overBlack or African AmericanCohort StudiesColectomyColorectal NeoplasmsFemaleHealth Status DisparitiesHospital MortalityHumansLength of StayLogistic ModelsMaleMedicareOdds RatioPatient ReadmissionProportional Hazards ModelsRectumSEER ProgramTreatment OutcomeUnited StatesWhite PeopleConceptsBlack patientsLong-term outcomesLong-term survivalColorectal cancerHospital mortalityWhite patientsGreater oddsWorse long-term survivalWhite Medicare patientsEnd Results-MedicareRisk of mortalityMore comorbiditiesPerioperative mortalityColorectal surgeryReduced oddsMedicare patientsInpatient dataPatientsReadmissionMortalityCancerComorbiditiesResectionWhite differencesOddsCauses and Trends in Traumatic Brain Injury for United States Adolescents
Asemota A, George B, Bowman S, Haider A, Schneider E. Causes and Trends in Traumatic Brain Injury for United States Adolescents. Journal Of Neurotrauma 2013, 30: 67-75. PMID: 22989254, DOI: 10.1089/neu.2012.2605.Peer-Reviewed Original ResearchConceptsTraumatic brain injuryAdolescent traumatic brain injuryYears age groupAge groupsUnited States adolescentsBrain injuryMost traumatic brain injuriesMotor vehicle occupant injuriesSevere traumatic brain injuryTBI-related hospitalizationOverall annual incidenceNationwide Inpatient SampleCause of injuryMotor vehicle accidentsYears old groupVehicle occupant injuriesMotor vehicle occupantsHospital mortalityTBI hospitalizationsAnnual incidenceInpatient SampleLeading causeCommon causeHospitalization dataHospitalization
2012
Disparities in Outcomes for Hispanic Patients Undergoing Endovascular and Open Abdominal Aortic Aneurysm Repair
Williams T, Schneider E, Black J, Lum Y, Freischlag J, Perler B, Abularrage C. Disparities in Outcomes for Hispanic Patients Undergoing Endovascular and Open Abdominal Aortic Aneurysm Repair. Annals Of Vascular Surgery 2012, 27: 29-37. PMID: 23084731, DOI: 10.1016/j.avsg.2012.06.006.Peer-Reviewed Original ResearchMeSH KeywordsAgedAortic Aneurysm, AbdominalBlack or African AmericanBlood Vessel Prosthesis ImplantationChi-Square DistributionDatabases, FactualElective Surgical ProceduresEndovascular ProceduresFemaleHealthcare DisparitiesHispanic or LatinoHospital CostsHospital MortalityHumansLength of StayMaleMultivariate AnalysisPostoperative ComplicationsRisk FactorsTime FactorsTreatment OutcomeUnited StatesWhite PeopleConceptsAbdominal aortic aneurysm repairOpen AAAIndependent risk factorAortic aneurysm repairBlack patientsWhite patientsHispanic patientsHispanic ethnicityAAA repairAneurysm repairHospital chargesHospital characteristicsRisk factorsInsurance typeOpen abdominal aortic aneurysm repairMultivariate analysisICD-9-CM codesTotal hospital chargesNationwide Inpatient SampleInfluence of raceLength of stayUnruptured AAAPrimary hospitalizationHospital mortalityPostoperative complicationsShould the IDC-9 Trauma Mortality Prediction Model become the new paradigm for benchmarking trauma outcomes?
Haider A, Villegas C, Saleem T, Efron D, Stevens K, Oyetunji T, Cornwell E, Bowman S, Haack S, Baker S, Schneider E. Should the IDC-9 Trauma Mortality Prediction Model become the new paradigm for benchmarking trauma outcomes? Journal Of Trauma And Acute Care Surgery 2012, 72: 1695-1701. PMID: 22695443, DOI: 10.1097/ta.0b013e318256a010.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedBenchmarkingCohort StudiesDatabases, FactualFemaleHospital MortalityHumansInternational Classification of DiseasesMaleMiddle AgedModels, StatisticalPredictive Value of TestsRetrospective StudiesSensitivity and SpecificityTrauma Severity IndicesTreatment OutcomeUnited StatesWounds and InjuriesYoung AdultConceptsInjury Severity ScoreNew ISSMortality prediction modelTrauma Mortality Prediction ModelTrauma outcomesInjury typeInjury severityNational Trauma Data BankNew Injury Severity ScoreInjury severity indicesMortality prediction abilityTrauma Data BankTrauma registry dataCrude mortality rateReceiver operator characteristic curveDRG International ClassificationOperator characteristic curveHospital mortalitySeverity scoreSubgroup analysisRegistry dataRetrospective analysisOutcome measuresPrognostic studiesInternational Classification
2011
Differential Association of Race With Treatment and Outcomes in Medicare Patients Undergoing Diverticulitis Surgery
Schneider EB, Haider A, Sheer AJ, Hambridge HL, Chang DC, Segal JB, Wu AW, Lidor AO. Differential Association of Race With Treatment and Outcomes in Medicare Patients Undergoing Diverticulitis Surgery. JAMA Surgery 2011, 146: 1272-1276. PMID: 22106319, DOI: 10.1001/archsurg.2011.280.Peer-Reviewed Original ResearchConceptsMedical comorbiditiesInsurance statusUrgent/emergency surgeryGreater riskRacial disparitiesUrgent/emergencyMedicare Provider AnalysisHealth insurance statusObserved racial disparitiesHospital mortalityGreater comorbidityEmergency surgerySurgical treatmentEmergency admissionsStudy criteriaBlack raceWorse outcomesMedicare patientsProcedure typeRetrospective analysisInpatient dataComorbiditiesMortality riskMultivariable regressionOutcome data