2017
A Novel Risk Score to Predict the Need for Nutrition Support After Cardiac Surgery
Ohkuma R, Crawford T, Brown P, Grimm J, Magruder J, Kilic A, Suarez-Pierre A, Snyder S, Wood J, Schneider E, Sussman M, Whitman G. A Novel Risk Score to Predict the Need for Nutrition Support After Cardiac Surgery. The Annals Of Thoracic Surgery 2017, 104: 1306-1312. PMID: 28625392, DOI: 10.1016/j.athoracsur.2017.03.013.Peer-Reviewed Original ResearchConceptsPostoperative nutrition supportNutrition supportCardiac surgeryNS scoresAdult cardiac surgery patientsMultivariable logistic regression modelingEarly postoperative nutritionMalnutrition-related morbidityCardiac surgery patientsNovel risk scoreRelative odds ratioLogistic regression modelingTiming of initiationPostoperative nutritionSurgery patientsDerivation cohortIndependent predictorsPredictive screening toolMultivariable analysisValidation cohortC-statisticOdds ratioHigh riskRisk scorePatients
2016
Disparities in receipt of a laparoscopic operation for ectopic pregnancy among TRICARE beneficiaries
Ranjit A, Chaudhary MA, Jiang W, Zhan T, Schneider EB, Cohen SL, Little SE, Haider AH, Robinson JN, Witkop CT. Disparities in receipt of a laparoscopic operation for ectopic pregnancy among TRICARE beneficiaries. Surgery 2016, 161: 1341-1347. PMID: 27842916, DOI: 10.1016/j.surg.2016.09.029.Peer-Reviewed Original ResearchConceptsEctopic pregnancyLaparoscopic operationsRacial disparitiesWhite womenDays of diagnosisOdds of receiptRacial minority patientsSystems of careBlack womenTRICARE dataPatient demographicsUniversal insurance coverageMultivariable analysisTRICARE beneficiariesOperative approachMinority patientsPurchased careLesser oddsPregnancyDirect carePatientsAsian womenInsurance accessCareInsurance coverageHospital readmission after multiple major operative procedures among patients with employer provided health insurance
Kim Y, Gani F, Canner J, Margonis G, Makary M, Schneider E, Pawlik T. Hospital readmission after multiple major operative procedures among patients with employer provided health insurance. Surgery 2016, 160: 178-190. PMID: 27085686, DOI: 10.1016/j.surg.2016.01.025.Peer-Reviewed Original ResearchConceptsMultiple operative proceduresDays of dischargeMajor operative proceduresOperative procedureSingle operative procedureIndex dischargeLate readmissionHospital readmissionMultivariable logistic regression analysisHigher preoperative comorbidityLate hospital readmissionLogistic regression analysisDuration of stayPreoperative comorbiditiesPostoperative complicationsPostoperative dischargeMarketScan databaseMultivariable analysisOverall incidenceAbdominal proceduresSame hospitalRisk factorsReadmissionCardiovascular proceduresGreater odds
2015
Thirty-day readmission after lower extremity bypass in diabetic patients
Najafian A, Selvarajah S, Schneider EB, Malas MB, Ehlert BA, Orion KC, Haider AH, Abularrage CJ. Thirty-day readmission after lower extremity bypass in diabetic patients. Journal Of Surgical Research 2015, 200: 356-364. PMID: 26216749, DOI: 10.1016/j.jss.2015.06.061.Peer-Reviewed Original ResearchConceptsInsulin-dependent diabetic mellitusLower extremity bypassUnplanned readmissionCardiac diseaseCardiac complicationsExtremity bypassDiabetic mellitusSurgeons National Surgery Quality Improvement Program databaseNational Surgery Quality Improvement Program databaseInfrainguinal lower extremity bypassQuality Improvement Program databaseConcomitant cardiac diseaseDependent diabetic mellitusThirty-day readmissionImprovement Program databasePeripheral vascular diseaseUnplanned readmission rateInfluence of diabetesSignificant risk factorsPostoperative complicationsCardiac workupReadmission ratesDiabetic patientsIndependent predictorsMultivariable analysisOperative 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 diagnosisUnconscious Race and Social Class Bias Among Acute Care Surgical Clinicians and Clinical Treatment Decisions
Haider A, Schneider E, Sriram N, Dossick D, Scott V, Swoboda S, Losonczy L, Haut E, Efron D, Pronovost P, Lipsett P, Cornwell E, MacKenzie E, Cooper L, Freischlag J. Unconscious Race and Social Class Bias Among Acute Care Surgical Clinicians and Clinical Treatment Decisions. JAMA Surgery 2015, 150: 457-464. PMID: 25786199, DOI: 10.1001/jamasurg.2014.4038.Peer-Reviewed Original ResearchConceptsClinical decisionMultivariable analysisUnconscious raceSurgical cliniciansSignificant health inequitiesLogistic regression analysisClinical treatment decisionsPatient care decisionsPatient management decisionsD scorePhysician-patient interactionDisadvantaged patientsPatient raceUnivariate analysisClinical assessmentCritical careTreatment decisionsMAIN OUTCOMELevel ISocial class biasWeb-based surveyClinician's roleHealth inequitiesCliniciansEmergency medicineEarly versus late hospital readmission after pancreaticoduodenectomy
Schneider E, Canner J, Gani F, Kim Y, Ejaz A, Spolverato G, Pawlik T. Early versus late hospital readmission after pancreaticoduodenectomy. Journal Of Surgical Research 2015, 196: 74-81. PMID: 25777825, DOI: 10.1016/j.jss.2015.02.043.Peer-Reviewed Original ResearchConceptsProcedure-related factorsLate readmissionEarly readmissionTruven Health MarketScan databaseLate hospital readmissionCoronary heart diseaseSubsequent medical managementPostoperative complicationsExtended LOSHospital readmissionRenal diseaseMarketScan databaseMedical managementMultivariable analysisPatient groupTrue burdenHeart diseaseCommon causeInclusion criteriaReadmissionPancreaticoduodenectomyPatientsDiseaseLonger lengthComplex procedures
2014
Unconscious race and class bias
Haider A, Schneider E, Sriram N, Dossick D, Scott V, Swoboda S, Losonczy L, Haut E, Efron D, Pronovost P, Freischlag J, Lipsett P, Cornwell E, MacKenzie E, Cooper L. Unconscious race and class bias. Journal Of Trauma And Acute Care Surgery 2014, 77: 409-416. PMID: 25159243, DOI: 10.1097/ta.0000000000000392.Peer-Reviewed Original ResearchConceptsAcute care surgeonsSurgery of TraumaClinical decisionTrauma/acute care surgeonsEastern AssociationImplicit Association TestUnconscious raceProspective web-based surveyPhysicians' clinical decisionsLogistic regression analysisSurgeons' clinical decisionClinical vignettesImplicit biasesIAT scoresUnconscious preferenceMultivariable analysisPatient raceRace Implicit Association TestUnivariate analysisClinical assessmentPatient managementEpidemiologic studiesWeb-based surveyLevel IIWhite personsIncreased 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 studiesDeveloping 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 regressionInpatient 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
Does BRAF V600E Mutation Predict Aggressive Features in Papillary Thyroid Cancer? Results From Four Endocrine Surgery Centers
Li C, Han P, Lee K, Lee L, Fox A, Beninato T, Thiess M, Dy B, Sebo T, Thompson G, Grant C, Giordano T, Gauger P, Doherty G, Fahey T, Bishop J, Eshleman J, Umbricht C, Schneider E, Zeiger M. Does BRAF V600E Mutation Predict Aggressive Features in Papillary Thyroid Cancer? Results From Four Endocrine Surgery Centers. The Journal Of Clinical Endocrinology & Metabolism 2013, 98: 3702-3712. PMID: 23969188, DOI: 10.1210/jc.2013-1584.Peer-Reviewed Original ResearchConceptsCentral lymph node metastasisCentral lymph node dissectionPapillary thyroid cancerClassical variant papillary thyroid cancerRoutine central lymph node dissectionEndocrine surgery centersBRAF mutationsIndependent predictorsMultivariable analysisAggressive featuresBRAF statusSurgery centersThyroid cancerProphylactic central lymph node dissectionBivariate analysisPresence of LNMLymph node dissectionAggressive clinicopathologic featuresTumor-related factorsAmerican Joint CommitteeLymph node metastasisTreatment of patientsBRAF mutation statusBRAF V600E mutationCentral LNMInfluence of gender on outcomes after thoracic endovascular aneurysm repair
Arnaoutakis G, Schneider E, Arnaoutakis D, Black J, Lum Y, Perler B, Freischlag J, Abularrage C. Influence of gender on outcomes after thoracic endovascular aneurysm repair. Journal Of Vascular Surgery 2013, 59: 45-51. PMID: 23896176, DOI: 10.1016/j.jvs.2013.06.058.Peer-Reviewed Original ResearchMeSH KeywordsAge FactorsAgedAortic Aneurysm, ThoracicChi-Square DistributionDatabases, FactualEmergenciesEndovascular ProceduresFemaleHumansIliac ArteryLinear ModelsLogistic ModelsMaleMultivariate AnalysisOdds RatioPostoperative ComplicationsRegistriesRetrospective StudiesRisk FactorsSex FactorsTime FactorsTreatment OutcomeUnited StatesConceptsIliac artery exposureNonruptured thoracic aortic aneurysmsAortic aneurysm repairThoracic aortic aneurysmAneurysm repairArtery exposureUnadjusted mortalityMultivariable analysisAortic aneurysmFemale genderSurgeons National Surgical Quality Improvement Program databaseNational Surgical Quality Improvement Program databaseRisk-adjusted generalized linear modelsEndovascular abdominal aortic aneurysm repairQuality Improvement Program databaseAbdominal aortic aneurysm repairEndovascular aortic aneurysm repairACS-NSQIP databaseImprovement Program databasePrimary outcome measureEndovascular aneurysm repairHigh mortality rateHospital lengthPostoperative complicationsTransfusion rate
2012
Emerging Trends in Robotic Pyeloplasty for the Management of Ureteropelvic Junction Obstruction in Adults
Monn M, Bahler C, Schneider E, Sundaram C. Emerging Trends in Robotic Pyeloplasty for the Management of Ureteropelvic Junction Obstruction in Adults. Journal Of Urology 2012, 189: 1352-1357. PMID: 23063631, DOI: 10.1016/j.juro.2012.10.001.Peer-Reviewed Original ResearchConceptsUreteropelvic junction obstructionRobotic pyeloplastyJunction obstructionICD-9-CM codesNationwide Inpatient SampleMultivariable analysisInpatient SamplePrimary payerOpen pyeloplastyTeaching hospitalHospital typePyeloplastyPrivate insuranceRobotic proceduresRobotic approachSignificant differencesPatientsSignificant increaseObstructionThe impact of race and ethnicity on the outcome of carotid interventions in the United States
Schneider E, Black J, Hambridge H, Lum Y, Freischlag J, Perler B, Abularrage C. The impact of race and ethnicity on the outcome of carotid interventions in the United States. Journal Of Surgical Research 2012, 177: 172-177. PMID: 22459294, DOI: 10.1016/j.jss.2012.02.050.Peer-Reviewed Original ResearchConceptsIndependent risk factorRisk of strokeCarotid endarterectomyBlack patientsHispanic ethnicityRisk factorsMultivariable analysisUnivariate analysisGreater riskOutcomes of CEANationwide Inpatient SampleDiseases-9 codesInfluence of raceAfrican American raceCarotid artery stenosisHigh-risk statusPostoperative deathsCarotid angioplastyPrimary outcomeSymptomatic statusWhite patientsArtery stenosisCarotid interventionHospital characteristicsInpatient Sample