2017
Length of Stay and Cost in Patients Undergoing Orthognathic Surgery: Does Surgeon Volume Matter?
Gupta A, Chowdhury R, Haring R, Leinbach L, Petrone J, Spitzer M, Schneider E. Length of Stay and Cost in Patients Undergoing Orthognathic Surgery: Does Surgeon Volume Matter? Journal Of Oral And Maxillofacial Surgery 2017, 75: 1948-1957. PMID: 28576668, DOI: 10.1016/j.joms.2017.04.041.Peer-Reviewed Original ResearchConceptsHigh-volume surgeonsAnnual surgeon volumeSurgeon volumeHospital costsHospital-level factorsNationwide Inpatient SampleMultivariable logistic regressionLow-volume surgeonsLength of stayOrthognathic surgical proceduresType of procedureSurgeon volume matterOpen osteoplastyHospital lengthIndex hospitalizationPatients 8Extended LOSMean ageVital statusPotential confoundersInpatient SamplePatient LOSSurgical proceduresLower oddsSurgeon group
2016
A comparison of trends in operative approach and postoperative outcomes for colorectal cancer surgery
Addae J, Gani F, Fang S, Wick E, Althumairi A, Efron J, Canner J, Euhus D, Schneider E. A comparison of trends in operative approach and postoperative outcomes for colorectal cancer surgery. Journal Of Surgical Research 2016, 208: 111-120. PMID: 27993198, DOI: 10.1016/j.jss.2016.09.019.Peer-Reviewed Original ResearchConceptsLength of stayShorter LOSColorectal cancer surgerySurgical approachColorectal surgeryPostoperative morbidityPostoperative outcomesCancer surgeryOpen surgeryInvasive surgeryOpen colorectal surgeryInvasive colorectal surgeryTime of surgeryCochrane-Armitage testNationwide Inpatient SampleRobotic colorectal surgeryHigher mean costCRC surgeryPerioperative outcomesPostoperative complicationsInpatient SampleOpen procedureOperative approachMean costSurgeryOutcomes 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 outcomes“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
United States trends in thrombolysis for older adults with acute ischemic stroke
George B, Asemota A, Dorsey E, Haider A, Smart B, Urrutia V, Schneider E. United States trends in thrombolysis for older adults with acute ischemic stroke. Clinical Neurology And Neurosurgery 2015, 139: 16-23. PMID: 26363362, DOI: 10.1016/j.clineuro.2015.08.031.Peer-Reviewed Original ResearchConceptsNationwide Inpatient SampleAcute ischemic strokeIschemic strokeOlder adultsStudy periodHospital mortality rateAdult stroke patientsHigh-volume hospitalsLength of stayRate of thrombolysisHigh-volume facilitiesPopulation-based ratesCochran-Armitage testThrombolysis groupVolume hospitalsUrban patientsThrombolysis useIntracerebral hemorrhageStroke patientsPrimary diagnosisInpatient SampleOdds ratioHospitalization dataThrombolysisAge subgroupsOperative delay to laparoscopic cholecystectomy
Schwartz DA, Shah AA, Zogg CK, Nicholas LH, Velopulos CG, Efron DT, Schneider EB, Haider AH. Operative delay to laparoscopic cholecystectomy. Journal Of Trauma And Acute Care Surgery 2015, 79: 15-21. PMID: 26091309, DOI: 10.1097/ta.0000000000000699.Peer-Reviewed Original ResearchConceptsHours of admissionAcute cholecystitisLaparoscopic cholecystectomyOperative managementCharlson Comorbidity IndexHospital-related factorsSecond hospital dayTime of surgeryNationwide Inpatient SampleEndoscopic retrograde cholangiopancreatographyLength of stayNext-day surgeryCost of careHealth care providersCost containmentComorbidity indexAdmission dayHospital daysLonger hospitalizationPatient demographicsAdult patientsMultivariable analysisOperative delayRetrograde cholangiopancreatographyPrimary diagnosisOutcome of delirium in critically ill patients: systematic review and meta-analysis
Salluh J, Wang H, Schneider E, Nagaraja N, Yenokyan G, Damluji A, Serafim R, Stevens R. Outcome of delirium in critically ill patients: systematic review and meta-analysis. The BMJ 2015, 350: h2538. PMID: 26041151, PMCID: PMC4454920, DOI: 10.1136/bmj.h2538.Peer-Reviewed Original ResearchConceptsIntensive care unitIll patientsCare unitCognitive impairmentSystematic reviewOutcome of deliriumProspective observational cohortThird of patientsLength of stayIdentification of deliriumRandom-effects modelMeta-regression analysisSedation managementDelirium screeningControl patientsObservational cohortCardiac surgeryMechanical ventilationIntensive careCochrane LibraryLanguage restrictionsClinical endpointsSubstance withdrawalClinical trialsOrgan/tissue transplantationOutcomes of trauma care at centers treating a higher proportion of older patients
Zafar S, Obirieze A, Schneider E, Hashmi Z, Scott V, Greene W, Efron D, MacKenzie E, Cornwell E, Haider A. Outcomes of trauma care at centers treating a higher proportion of older patients. Journal Of Trauma And Acute Care Surgery 2015, 78: 852-859. PMID: 25742246, DOI: 10.1097/ta.0000000000000557.Peer-Reviewed Original ResearchConceptsOlder trauma patientsOlder patientsTrauma patientsTrauma centerLevel 2 trauma centerMultivariate logistic regression modelRisk-adjusted mortality ratioYoung adultsGeriatric trauma patientsAdult trauma patientsBurden of injuryLength of stayObserved-expected ratioTrauma center performanceHigher proportionLogistic regression modelsGeriatric traumaYounger patientsTrauma deathsMortality ratioTrauma visitsTrauma careEpidemiologic studiesPatientsBetter outcomesOutcomes 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
Hospital Volume and Patient Outcomes in Hepato-Pancreatico-Biliary Surgery: Is Assessing Differences in Mortality Enough?
Schneider EB, Ejaz A, Spolverato G, Hirose K, Makary MA, Wolfgang CL, Ahuja N, Weiss M, Pawlik TM. Hospital Volume and Patient Outcomes in Hepato-Pancreatico-Biliary Surgery: Is Assessing Differences in Mortality Enough? Journal Of Gastrointestinal Surgery 2014, 18: 2105-2115. PMID: 25297443, DOI: 10.1007/s11605-014-2619-9.Peer-Reviewed Original ResearchConceptsLength of stayHV hospitalsHV centersHospital volumeMajor complicationsLV centersBiliary surgeryHPB surgeryHospital patientsShorter median LOSMedian LOSComplex HPB surgeryHospital volume strataIncidence of complicationsPost-operative complicationsOverall mean ageHepato-PancreaticoLV hospitalsMedical comorbiditiesImpact of regionalizationMean ageBiliary proceduresHemorrhagic anemiaPatient outcomesIndex mortalityCurrent practices in feeding tube placement for US acute ischemic stroke inpatients
George B, Kelly A, Schneider E, Holloway R. Current practices in feeding tube placement for US acute ischemic stroke inpatients. Neurology 2014, 83: 874-882. PMID: 25098538, PMCID: PMC4153849, DOI: 10.1212/wnl.0000000000000764.Peer-Reviewed Original ResearchConceptsTube insertion ratesTube placementStroke admissionsFeeding tubeMultilevel multivariable regression modelsHospital random effectsIschemic stroke inpatientsHospital-level factorsIschemic stroke admissionsRetrospective observational studyNationwide Inpatient SampleLength of stayPatient-centered decisionMultivariable regression modelsHospital factorsIschemic strokePatient demographicsRace/ethnicity dataStroke inpatientsStroke hospitalizationsInpatient SampleStroke volumeObservational studyHospital practiceHospitalRace-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 individualsInpatient 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 oddsGastrectomyPatientsDoes relative value unit–based compensation shortchange the acute care surgeon?
Schwartz D, Hui X, Velopulos C, Schneider E, Selvarajah S, Lucas D, Haut E, McQuay N, Pawlik T, Efron D, Haider A. Does relative value unit–based compensation shortchange the acute care surgeon? Journal Of Trauma And Acute Care Surgery 2014, 76: 84-94. PMID: 24368361, PMCID: PMC5995323, DOI: 10.1097/ta.0b013e3182ab1ae3.Peer-Reviewed Original ResearchConceptsLength of stayAcute care surgeonsEmergent casesRelative value unitsPatient careNational Surgical Quality Improvement ProgramSurgical Quality Improvement ProgramComorbidities of interestEmergent operative managementHigher mortality riskQuality Improvement ProgramCurrent Procedural TerminologyElective colectomyMinor complicationsComplication rateOperative timeEmergent proceduresMore complicationsOperative managementBiliary proceduresElective proceduresOpen techniqueElective patientsOdds ratioHernia repair
2013
The effect of ballooning following carotid stent deployment on hemodynamic stability
Qazi U, Obeid T, Enwerem N, Schneider E, White J, Freischlag J, Perler B, Malas M. The effect of ballooning following carotid stent deployment on hemodynamic stability. Journal Of Vascular Surgery 2013, 59: 756-760.e1. PMID: 24342066, DOI: 10.1016/j.jvs.2013.09.027.Peer-Reviewed Original ResearchConceptsCarotid artery stentingCoronary artery diseaseRecent myocardial infarctionHemodynamic depressionHemodynamic instabilityHemodynamic stabilitySymptomatic statusArtery diseaseMyocardial infarctionStent stenosisMajor adverse cardiovascular eventsCarotid stent deploymentPrevious carotid endarterectomyAdverse cardiovascular eventsPrimary end pointTertiary care centerLength of stayRisk of intraLong-term patencyHigh-risk statusGreater luminal diameterLogistic regression modelsBinary logistic regression modelCardiovascular eventsLack of evidenceInfluence of Patient, Physician, and Hospital Factors on 30-Day Readmission Following Pancreatoduodenectomy in the United States
Hyder O, Dodson R, Nathan H, Schneider E, Weiss M, Cameron J, Choti M, Makary M, Hirose K, Wolfgang C, Herman J, Pawlik T. Influence of Patient, Physician, and Hospital Factors on 30-Day Readmission Following Pancreatoduodenectomy in the United States. JAMA Surgery 2013, 148: 1095-1102. PMID: 24108580, PMCID: PMC3983984, DOI: 10.1001/jamasurg.2013.2509.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overAttitude of Health PersonnelCohort StudiesComorbidityCross InfectionFemaleHealth Care SurveysHospital MortalityHumansLength of StayMaleMedicareOutcome Assessment, Health CarePancreatic NeoplasmsPancreaticoduodenectomyPatient ReadmissionPostoperative ComplicationsPractice Patterns, Physicians'Retrospective StudiesRisk FactorsSEER ProgramSurvival RateTime FactorsUnited StatesWorkloadConceptsPancreatoduodenectomy proceduresMedical comorbiditiesHospital factorsSurgeon volumeMedicare dataPopulation-based cancer registry dataPreoperative medical comorbiditiesRetrospective cohort studyDays of dischargeHospital-level factorsLow-volume hospitalsPatient-related factorsChance of readmissionLength of stayInfluence of patientCancer registry dataPancreatoduodenectomy patientsHospital morbidityCohort studyHospital volumeHospital readmissionMedian agePhysician factorsDistinct hospitalsPatient levelComparison of open and endovascular treatment of acute mesenteric ischemia
Beaulieu R, Arnaoutakis K, Abularrage C, Efron D, Schneider E, Black J. Comparison of open and endovascular treatment of acute mesenteric ischemia. Journal Of Vascular Surgery 2013, 59: 159-164. PMID: 24199769, DOI: 10.1016/j.jvs.2013.06.084.Peer-Reviewed Original ResearchMeSH KeywordsAgedChi-Square DistributionDigestive System Surgical ProceduresEndovascular ProceduresFemaleHospital MortalityHumansIschemiaLength of StayMaleMesenteric IschemiaParenteral Nutrition, TotalRisk FactorsTime FactorsTreatment OutcomeUnited StatesVascular DiseasesVascular Surgical ProceduresConceptsAcute mesenteric ischemiaBowel resectionLength of stayEndovascular repairOpen revascularizationEndovascular treatmentEndovascular interventionMesenteric ischemiaParenteral nutritionVascular repairVascular interventionsDiagnosis of AMINational Inpatient Sample databaseSubsequent vascular interventionProportion of patientsSeverity of comorbiditiesTotal parenteral nutritionNinth Revision codesPatient-level dataStudy time periodCharlson indexTPN supportSame hospitalizationBowel perfusionGastrointestinal outcomes
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 complicationsRegional variations in cost of trauma care in the United States
Obirieze A, Gaskin D, Villegas C, Bowman S, Schneider E, Oyetunji T, Haut E, Efron D, Cornwell E, Haider A. Regional variations in cost of trauma care in the United States. Journal Of Trauma And Acute Care Surgery 2012, 73: 516-522. PMID: 23019681, DOI: 10.1097/ta.0b013e31825132a0.Peer-Reviewed Original ResearchConceptsRelative mean costsTrauma careLiver injuryMean costModerate traumatic brain injuryPneumothorax/hemothoraxBlunt splenic injuryCharlson Comorbidity IndexClinical Modification codesNationwide Inpatient SampleLength of stayAdult trauma careTraumatic brain injuryCost of careMedical care costsIndex conditionComorbidity indexSplenic injuryHospital factorsPatient demographicsTrauma patientsTibia fracturesInpatient SampleBrain injuryInternational ClassificationBeating the weekend trend: Increased mortality in older adult traumatic brain injury (TBI) patients admitted on weekends
Schneider E, Hirani S, Hambridge H, Haut E, Carlini A, Castillo R, Efron D, Haider A. Beating the weekend trend: Increased mortality in older adult traumatic brain injury (TBI) patients admitted on weekends. Journal Of Surgical Research 2012, 177: 295-300. PMID: 22795343, DOI: 10.1016/j.jss.2012.06.022.Peer-Reviewed Original ResearchConceptsWeekend patientsWeekend admissionInjury severityHead traumaAdult traumatic brain injury patientsTraumatic brain injury patientsOlder adultsICDMAP-90 softwareCharlson comorbidity scoreInjury Scale scoreOdds of mortalityNationwide Inpatient SamplePatients meeting criteriaMedian total chargesBrain injury patientsLength of stayHead injury severityWilcoxon rank sumStudent's t-testHead AISComorbidity scoreLess comorbidityLow comorbidityTrauma admissionsInjury patients