2017
Intraoperative cholangiography during cholecystectomy among hospitalized medicare beneficiaries with non-neoplastic biliary disease
Lilley EJ, Scott JW, Jiang W, Krasnova A, Raol N, Changoor N, Salim A, Haider AH, Weissman JS, Schneider EB, Cooper Z. Intraoperative cholangiography during cholecystectomy among hospitalized medicare beneficiaries with non-neoplastic biliary disease. The American Journal Of Surgery 2017, 214: 682-686. PMID: 28669532, DOI: 10.1016/j.amjsurg.2017.06.021.Peer-Reviewed Original ResearchConceptsCBD injuryIntraoperative cholangiographyBiliary diseaseInpatient cholecystectomyMedicare beneficiariesCommon bile duct injuryBile duct injuryMultivariable logistic regressionHazard of deathHospitalized Medicare beneficiariesNon-neoplastic indicationsGallbladder obstructionDuct injuryCox regressionRetrospective studyCholecystectomyHigh riskPatientsInjuryLogistic regressionConfirmatory testDiseaseCholangiographySelective useSurvival
2016
Conscious status predicts mortality among patients with isolated traumatic brain injury in administrative data
Alsulaim H, Smart B, Asemota A, Haring R, Canner J, Efron D, Haut E, Schneider E. Conscious status predicts mortality among patients with isolated traumatic brain injury in administrative data. The American Journal Of Surgery 2016, 214: 207-210. PMID: 27663651, DOI: 10.1016/j.amjsurg.2016.07.012.Peer-Reviewed Original ResearchConceptsSevere TBIInjury severityMortality predictionNationwide Emergency Department SampleAdministrative dataEmergency Department SampleTraumatic brain injuryPrevention guidelinesInjury typeBrain injuryUnivariate analysisBrief lossInternational ClassificationOutcome studiesPhysiologic factorsPatientsConscious statusDisease controlLogistic regressionMortalityTBIAdministrative datasetsAnatomical measuresSimilar differencesMeeting Centers
2015
Quality Improvement Targets for Regional Variation in Surgical End-Stage Renal Disease Care
Zarkowsky DS, Hicks CW, Arhuidese I, Canner JK, Obeid T, Qazi U, Schneider E, Abularrage CJ, Black JH, Freischlag JA, Malas MB. Quality Improvement Targets for Regional Variation in Surgical End-Stage Renal Disease Care. JAMA Surgery 2015, 150: 764-770. PMID: 26107005, DOI: 10.1001/jamasurg.2015.1126.Peer-Reviewed Original ResearchConceptsEnd-stage renal diseaseUS Renal Data SystemFirst hemodialysisNephrology careAVF accessMortality hazardEnd-stage renal disease careLogistic regressionCongestive heart failureRenal replacement therapyMultivariable logistic regressionArteriovenous fistula accessQuality improvement targetsPatient comorbiditiesHeart failurePatient characteristicsRenal diseaseDisease careESRD mortalityReplacement therapyFistula accessUnivariate analysisRetrospective analysisBest practice guidelinesMAIN OUTCOMEEffect of Mandatory Centers of Excellence Designation on Demographic Characteristics of Patients Who Undergo Bariatric Surgery
Bae J, Shade J, Abraham A, Abraham B, Peterson L, Schneider EB, Magnuson TH, Schweitzer MA, Steele KE. Effect of Mandatory Centers of Excellence Designation on Demographic Characteristics of Patients Who Undergo Bariatric Surgery. JAMA Surgery 2015, 150: 644-648. PMID: 25993654, DOI: 10.1001/jamasurg.2015.74.Peer-Reviewed Original ResearchConceptsProportion of patientsPercentage of patientsBariatric surgerySociodemographic characteristicsIncome quartilePatients' sociodemographic characteristicsBariatric surgical patientsBariatric surgical proceduresNational Inpatient SampleHighest income quartileCenters of excellenceLowest income quartileSurgical patientsFemale patientsInpatient SampleSurgical proceduresMAIN OUTCOMEPatientsSurgeryPatient accessLogistic regressionPrivate insurancePatient safetyMedicaid ServicesExcellence designationRacial/Ethnic Disparities Associated With Initial Hemodialysis Access
Zarkowsky DS, Arhuidese IJ, Hicks CW, Canner JK, Qazi U, Obeid T, Schneider E, Abularrage CJ, Freischlag JA, Malas MB. Racial/Ethnic Disparities Associated With Initial Hemodialysis Access. JAMA Surgery 2015, 150: 529-536. PMID: 25923973, DOI: 10.1001/jamasurg.2015.0287.Peer-Reviewed Original ResearchConceptsMedical insurance statusEnd-stage renal diseaseUS Renal Data SystemInitial hemodialysis accessWhite patientsArteriovenous fistulaBlack patientsHispanic patientsRace/ethnicityNephrology careInsurance statusRenal diseaseHemodialysis accessChronic obstructive pulmonary diseaseLogistic regressionMore white patientsInfluence of comorbiditiesObstructive pulmonary diseaseRacial/Ethnic DisparitiesCoronary artery diseaseCategory of patientsMultivariable logistic regressionPatterns of utilizationDifferent races/ethnicitiesFistula utilizationTraumatic brain injury in the elderly: morbidity and mortality trends and risk factors
Haring R, Narang K, Canner J, Asemota A, George B, Selvarajah S, Haider A, Schneider E. Traumatic brain injury in the elderly: morbidity and mortality trends and risk factors. Journal Of Surgical Research 2015, 195: 1-9. PMID: 25724764, DOI: 10.1016/j.jss.2015.01.017.Peer-Reviewed Original ResearchConceptsTraumatic brain injuryMechanism of injuryBrain injuryTBI-related deathsTBI-related hospitalizationOdds of deathMultivariable logistic regressionNationwide Inpatient SampleLogistic regression analysisOlder age groupsMore comorbiditiesMale patientsPayer statusTBI patientsInpatient SampleRisk factorsHigher oddsInjury severityPatientsMortality trendsAge groupsInjuryLogistic regressionTBI dataComorbidities
2014
Association Between Race and Age in Survival After Trauma
Hicks C, Hashmi Z, Velopulos C, Efron D, Schneider E, Haut E, Cornwell E, Haider A. Association Between Race and Age in Survival After Trauma. JAMA Surgery 2014, 149: 642-647. PMID: 24871941, PMCID: PMC5995325, DOI: 10.1001/jamasurg.2014.166.Peer-Reviewed Original ResearchConceptsCharlson Comorbidity IndexPatients 65 yearsOlder patientsBlack patientsInjury severityComorbidity indexRacial disparitiesWhite patientsOdds ratioBetter outcomesCharlson Comorbidity Index scoreClinical Modification diagnosis codesLogistic regressionComorbidity Index scoreOlder black patientsOlder white patientsYoung black patientsYoung white patientsMost older patientsIntent of injuryNationwide Inpatient SampleMultivariable logistic regressionUnadjusted odds ratioUnivariable logistic regressionHead injury severityBenchmarking of Trauma Care Worldwide: The Potential Value of an International Trauma Data Bank (ITDB)
Haider A, Hashmi Z, Gupta S, Zafar S, David J, Efron D, Stevens K, Zafar H, Schneider E, Voiglio E, Coimbra R, Haut E. Benchmarking of Trauma Care Worldwide: The Potential Value of an International Trauma Data Bank (ITDB). World Journal Of Surgery 2014, 38: 1882-1891. PMID: 24817407, DOI: 10.1007/s00268-014-2629-5.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAgedAged, 80 and overBenchmarkingDatabases, FactualDeveloped CountriesDeveloping CountriesFeasibility StudiesFemaleFranceGlobal HealthHospital MortalityHumansLogistic ModelsMaleMiddle AgedPakistanRegistriesTrauma CentersWounds, NonpenetratingWounds, PenetratingYoung AdultConceptsTrauma Data BankTrauma mortalityTrauma centerMortality ratioTrauma outcomesNational Trauma Data BankTrauma dataE mortality ratioNational Trauma RegistryMultivariable logistic regressionBlunt/Worse survivalTrauma registrySubset analysisPatient outcomesTrauma carePatientsLMIC centerLogistic regressionKey covariatesOutcomesInjuryMortalityPredictorsSimilar resultsDeveloping best practices to study trauma outcomes in large databases
Haider A, Hashmi Z, Zafar S, Castillo R, Haut E, Schneider E, Cornwell E, Mackenzie E, Efron D. Developing best practices to study trauma outcomes in large databases. Journal Of Trauma And Acute Care Surgery 2014, 76: 1061-1069. PMID: 24662872, DOI: 10.1097/ta.0000000000000182.Peer-Reviewed Original ResearchConceptsNational Trauma Data BankRisk-adjustment modelsTrauma mortalityTrauma outcomesSubsequent multivariate logistic regression analysisMultivariate logistic regression analysisManual backward selectionTrauma Data BankUnivariate logistic regressionLogistic regression analysisInitial multivariate modelPatient subsetsMultivariable analysisTrauma centerMortality outcomesSimilar AUROCsSubset analysisUnivariate analysisPrognostic studiesAnalytic standardizationLevel IIILogistic regressionThe Severity of Disparity: Increasing Injury Intensity Accentuates Disparate Outcomes Following Trauma
Losonczy L, Weygandt P, Villegas C, Hall E, Schneider E, Cooper L, Cornwell E, Haut E, Efron D, Haider A. The Severity of Disparity: Increasing Injury Intensity Accentuates Disparate Outcomes Following Trauma. Journal Of Health Care For The Poor And Underserved 2014, 25: 308-320. PMID: 24509028, PMCID: PMC6017993, DOI: 10.1353/hpu.2014.0021.Peer-Reviewed Original ResearchConceptsOdds of deathInjury severityGlasgow Coma Scale motor componentPatients meeting inclusion criteriaNational Trauma Data BankInjury Severity ScoreMechanism of injuryTrauma Data BankMeeting inclusion criteriaInsurance groupsRace/ethnicityHypotensive patientsTrauma mortalityBlack patientsHispanic patientsSeverity scoreUninsured patientsInclusion criteriaPatientsSevere injuriesLogistic regressionInjury intensityInjuryInsurance coverageSeverity
2013
A protocol-driven approach to early extubation after heart surgery
Fitch Z, Debesa O, Ohkuma R, Duquaine D, Steppan J, Schneider E, Whitman G. A protocol-driven approach to early extubation after heart surgery. Journal Of Thoracic And Cardiovascular Surgery 2013, 147: 1344-1350. PMID: 24269120, DOI: 10.1016/j.jtcvs.2013.10.032.Peer-Reviewed Original ResearchConceptsPatient shiveringRisk factorsVentilation timePostoperative mechanical ventilation timeLow body temperatureStandardized protocolMechanical ventilation timeRate of reintubationIndependent risk factorPercent of patientsPeriod 1 patientProtocol-driven approachBody temperatureReintubation rateEarly extubationProlonged ventilationCoronary bypassHeart surgeryReminder sheetsMultidisciplinary committeePatientsLogistic regressionPatient safetyExtubationBaseline practiceRace and Insurance Disparities in Discharge to Rehabilitation for Patients with Traumatic Brain Injury
Asemota A, George B, Cumpsty-Fowler C, Haider A, Schneider E. Race and Insurance Disparities in Discharge to Rehabilitation for Patients with Traumatic Brain Injury. Journal Of Neurotrauma 2013, 30: 2057-2065. PMID: 23972035, PMCID: PMC3868359, DOI: 10.1089/neu.2013.3091.Peer-Reviewed Original ResearchConceptsTraumatic brain injuryBrain injurySevere traumatic brain injuryAdult TBI survivorsInsurance-based differencesOdds of dischargeHospital-level variablesImproved functional outcomesMeeting study criteriaMultivariable logistic regressionNationwide Inpatient SampleInpatient rehabilitation servicesInsurance-based disparitiesStandard descriptive methodsUninsured blacksUninsured HispanicsInpatient rehabilitationFunctional outcomeStudy criteriaInpatient SampleInsurance statusInpatient careTBI survivorsRehabilitation servicesLogistic regressionMinority Trauma Patients Tend to Cluster at Trauma Centers with Worse-Than-Expected Mortality
Haider A, Hashmi Z, Zafar S, Hui X, Schneider E, Efron D, Haut E, Cooper L, MacKenzie E, Cornwell E. Minority Trauma Patients Tend to Cluster at Trauma Centers with Worse-Than-Expected Mortality. Annals Of Surgery 2013, 258: 572-581. PMID: 23979271, PMCID: PMC5995334, DOI: 10.1097/sla.0b013e3182a50148.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAgedAged, 80 and overBlack or African AmericanDatabases, FactualFemaleHealth Status DisparitiesHealthcare DisparitiesHispanic or LatinoHospital MortalityHumansInjury Severity ScoreLogistic ModelsMaleMiddle AgedMinority HealthMultivariate AnalysisOutcome Assessment, Health CareTrauma CentersUnited StatesWhite PeopleWounds, NonpenetratingWounds, PenetratingYoung AdultConceptsTrauma centerNational Trauma Data Bank 2007High mortalityLevel I/II trauma centersPatient/injury characteristicsE mortality ratioPatients 16 yearsInjury Severity ScoreMultivariate logistic regressionIndividual trauma centersNumber of deathsBlunt/Trauma patientsBlack patientsInjury characteristicsSeverity scoreMortality ratioTraumatic injuryLower mortalityLogistic regressionPatientsRacial disparitiesMortalityInjurySurvivalTrends in Robot-assisted Laparoscopic Pyeloplasty in Pediatric Patients
Monn M, Bahler C, Schneider E, Whittam B, Misseri R, Rink R, Sundaram C. Trends in Robot-assisted Laparoscopic Pyeloplasty in Pediatric Patients. Urology 2013, 81: 1336-1341. PMID: 23522294, DOI: 10.1016/j.urology.2013.01.025.Peer-Reviewed Original ResearchConceptsRobotic-assisted laparoscopic pyeloplastyNationwide Inpatient SampleLaparoscopic pyeloplastyPediatric pyeloplastyPediatric robotic-assisted laparoscopic pyeloplastyMultiple logistic regressionYears of agePediatric patientsInpatient SampleInvasive techniquesPyeloplastyAge-related trendsRobotic pyeloplastyNational ratesLogistic regressionPatientsOlder childrenRobotic techniquesRobotic assistanceIncidenceTotal numberOverall increaseYears
2012
Improved results using Onyx glue for the treatment of persistent type 2 endoleak after endovascular aneurysm repair
Abularrage C, Patel V, Conrad M, Schneider E, Cambria R, Kwolek C. Improved results using Onyx glue for the treatment of persistent type 2 endoleak after endovascular aneurysm repair. Journal Of Vascular Surgery 2012, 56: 630-636. PMID: 22572009, DOI: 10.1016/j.jvs.2012.02.038.Peer-Reviewed Original ResearchMeSH KeywordsAgedAneurysmBlood Vessel Prosthesis ImplantationBostonChi-Square DistributionDimethyl SulfoxideDrug CombinationsEmbolization, TherapeuticEndoleakEndovascular ProceduresFemaleHumansKaplan-Meier EstimateLogistic ModelsMaleMultivariate AnalysisOdds RatioPolyvinylsProportional Hazards ModelsReoperationRetrospective StudiesRisk AssessmentRisk FactorsTantalumTime FactorsTomography, X-Ray ComputedTreatment OutcomeConceptsEndovascular aneurysm repairPersistent type 2 endoleakType 2 endoleakSecondary interventionsGlue embolizationAneurysm repairCoil embolizationPrimary end pointFive-year survivalKaplan-Meier analysisMultiple logistic regressionSuccess rateGreater long-term successGraft explantOnyx glueGreater success rateStudy cohortAdverse outcomesInterventional techniquesEmbolizationAneurysm sacEnd pointLogistic regressionPatientsLong-term success