2023
Changes in Older Adult Trauma Quality When Evaluated Using Longer-Term Outcomes vs In-Hospital Mortality
Zogg C, Cooper Z, Peduzzi P, Falvey J, Castillo-Angeles M, Kodadek L, Staudenmayer K, Davis K, Tinetti M, Lichtman J. Changes in Older Adult Trauma Quality When Evaluated Using Longer-Term Outcomes vs In-Hospital Mortality. JAMA Surgery 2023, 158: e234856. PMID: 37792354, PMCID: PMC10551815, DOI: 10.1001/jamasurg.2023.4856.Peer-Reviewed Original ResearchConceptsHospital-level factorsTraumatic brain injurySevere traumatic brain injuryHospital mortalityTrauma QualityOlder adultsHip fractureComposite scoreHigher risk-adjusted oddsLevel 1 trauma centerIn-Hospital MortalityRisk-adjusted oddsLong-term outcomesMultivariable logistic regressionNontrauma centersTrauma patientsTerm outcomesTrauma centerPrimary diagnosisBrain injuryTrauma systemMAIN OUTCOMEMedicare feeService claimsForms of trauma
2022
Contributions of Surgical Critical Care Program Directors Society to the training of surgeons
Ali Y, Davis K, Chiu W, Cioffi W, Luchette F, Tisherman S, Spain D. Contributions of Surgical Critical Care Program Directors Society to the training of surgeons. Journal Of Trauma And Acute Care Surgery 2022, 94: e29-e32. PMID: 36577131, DOI: 10.1097/ta.0000000000003863.Peer-Reviewed Original Research
2020
Urgent Care Centers Delay Emergent Surgical Care Based on Patient Insurance Status in The United States.
Hsiang WR, Wiznia D, Yousman L, Najem M, Mosier-Mills A, Jin G, Jain S, Khunte A, Davis KA, Forman HP, Schuster KM. Urgent Care Centers Delay Emergent Surgical Care Based on Patient Insurance Status in The United States. Annals Of Surgery 2020, 272: 548-553. PMID: 32932304, DOI: 10.1097/sla.0000000000004373.Peer-Reviewed Original ResearchConceptsUrgent care centersMedicaid patientsCare centerInsurance typePrivate patientsEmergent surgical careEmergent surgical casesUrgent surgical conditionIncarcerated inguinal herniaEmergency department referralsPatient insurance statusED referralsInsurance statusReferral ratesInguinal herniaSurgical conditionsSurgical careSurgical casesPatientsPrivate insuranceCliniciansStandardized scriptMedicaidCareEmergent conditionsCurrent opinion on emergency general surgery transfer and triage criteria.
McCrum ML, Davis KA, Kaafarani HM, Santry HP, Shafi S, Crandall ML. Current opinion on emergency general surgery transfer and triage criteria. Journal Of Trauma And Acute Care Surgery 2020, 89: e71-e77. PMID: 32467469, DOI: 10.1097/ta.0000000000002806.Peer-Reviewed Original ResearchBenchmarking the value of care: Variability in hospital costs for common operations and its association with procedure volume.
Zogg CK, Bernard AC, Hirji SA, Minei JP, Staudenmayer KL, Davis KA. Benchmarking the value of care: Variability in hospital costs for common operations and its association with procedure volume. Journal Of Trauma And Acute Care Surgery 2020, 88: 619-628. PMID: 32039972, PMCID: PMC7802807, DOI: 10.1097/ta.0000000000002611.Peer-Reviewed Original ResearchConceptsLaparoscopic appendectomyLaparoscopic cholecystectomyHospital costsMeans of USMedian costProcedure volumeEmergency general surgeryTotal hospital costsMedian hospital costsNational Inpatient SampleAdults 18 yearsNational cost savingsAnnual procedure volumeValue of careHospital complicationsIndex hospitalHealth care valuePatient characteristicsAdverse outcomesInpatient SampleInclusion criteriaGeneral surgeryHospitalLevel IIICommon operationMapping the increasing interest in acute care surgery-Who, why and which fellowship?
Gayed BN, Zarzaur BL, Livingston DH, Chiu WC, Davis KA, Tisherman SA, Alam HB, Spain DA. Mapping the increasing interest in acute care surgery-Who, why and which fellowship? Journal Of Trauma And Acute Care Surgery 2020, 88: 629-635. PMID: 32320176, DOI: 10.1097/ta.0000000000002585.Peer-Reviewed Original ResearchConceptsAcute care surgerySurgery of TraumaPractice patternsCare surgeryFellowship typeClinical interestSurgical critical careFellowship yearDifferent fellowshipPrimary clinical interestAmerican AssociationFisher's exactCritical careLevel IVPearson χFellowship program directorsTrauma surgeryResponse rateSurgeryOperative experienceFellowship pathwaysTrauma trainingMost fellowsRecent traineesFellowship choices
2019
Association of Medicaid Expansion With Access to Rehabilitative Care in Adult Trauma Patients
Zogg CK, Scott JW, Metcalfe D, Gluck AR, Curfman GD, Davis KA, Dimick JB, Haider AH. Association of Medicaid Expansion With Access to Rehabilitative Care in Adult Trauma Patients. JAMA Surgery 2019, 154: 402-411. PMID: 30601888, PMCID: PMC6537775, DOI: 10.1001/jamasurg.2018.5177.Peer-Reviewed Original ResearchConceptsAdult trauma patientsTrauma patientsMedicaid expansionNonexpansion statesInsurance coverageAffordable Care ActExpansion statesPatient ProtectionInpatient rehabilitation facilityCare ActSkilled nursing facilitiesMedicaid expansion statesSex-based disparitiesHome health agenciesRace/ethnicityPostdischarge careTrauma populationFunctional outcomeRehabilitation gainsLeading causeRehabilitative careTrauma outcomesMAIN OUTCOMENursing facilitiesRehabilitation facilityThe current and future economic state of acute care surgery.
Staudenmayer K, Bernard A, Davis KA, Doucet J, Haider A, Tres Scherer LR, Minei JP. The current and future economic state of acute care surgery. Journal Of Trauma And Acute Care Surgery 2019, 87: 413-419. PMID: 31033894, DOI: 10.1097/ta.0000000000002334.Peer-Reviewed Original ResearchHospital Operative Volume and Quality Indication for General Surgery Operations Performed Emergently in Geriatric Patients
Becher RD, DeWane MP, Sukumar N, Stolar MJ, Gill TM, Becher RM, Maung AA, Schuster KM, Davis KA. Hospital Operative Volume and Quality Indication for General Surgery Operations Performed Emergently in Geriatric Patients. Journal Of The American College Of Surgeons 2019, 228: 910-923. PMID: 31005629, PMCID: PMC6582986, DOI: 10.1016/j.jamcollsurg.2019.02.053.Peer-Reviewed Original ResearchConceptsHospital operative volumeGeneral surgery operationsGeriatric patientsOperative volumeEmergency operationHospital volumeProbability of survivalEmergency general surgery operationsCalifornia State Inpatient DatabaseRetrospective cohort studySurgery operationsState Inpatient DatabasesHigher operative volumesAverage mortality riskOlder patientsCohort studyInpatient DatabaseGeriatric populationSurgical careSurgical qualityAmerican CollegeMortality riskOptimizing outcomesStandardized increasePatientsThe Economic Footprint of Acute Care Surgery in the United States
Knowlton LM, Minei J, Tennakoon L, Davis KA, Doucet J, Bernard A, Haider A, Scherer L, Spain DA, Staudenmayer KL. The Economic Footprint of Acute Care Surgery in the United States. Journal Of Trauma And Acute Care Surgery 2019, Publish Ahead of Print: &na;. PMID: 30589750, PMCID: PMC6433481, DOI: 10.1097/ta.0000000000002181.Peer-Reviewed Original ResearchConceptsAcute care surgeryEmergency general surgeryACS patientsClinical Modification diagnosisInpatient populationInternational ClassificationAdult ACS patientsNon-surgical patientsHealth care utilizationHigher mean costSurgical critical careNonoperative conditionsACS diagnosisAdult patientsPatient characteristicsCare surgeryCare utilizationAdult admissionsEGS conditionsInpatient costsInpatient hospitalizationCritical careGeneral surgeryMean costPatientsSymptomatic human immunodeficiency virus–infected patients have poorer outcomes following emergency general surgery
Sandler BJ, Davis KA, Schuster KM. Symptomatic human immunodeficiency virus–infected patients have poorer outcomes following emergency general surgery. Journal Of Trauma And Acute Care Surgery 2019, 86: 479-488. PMID: 30531208, DOI: 10.1097/ta.0000000000002161.Peer-Reviewed Original ResearchConceptsHIV/AIDS patientsHIV-negative patientsAsymptomatic HIV-positive patientsHIV-positive patientsActive antiretroviral therapyAIDS patientsAntiretroviral therapyHospital stayPostoperative complicationsHuman immunodeficiency virus-infected patientsEmergency general surgery proceduresHigher median total chargesImmune deficiency syndrome (AIDS) patientsHuman immunodeficiency virus (HIV) infectionEmergency general surgeryLonger hospital stayRetrospective cohort studyAcute renal failureHIV-negative controlsImmunodeficiency virus infectionVirus-infected patientsRecords of patientsUrinary tract infectionMedian total chargesNationwide Inpatient SampleChanges in Discharge to Rehabilitation: Potential Unintended Consequences of Medicare Total Hip Arthroplasty/Total Knee Arthroplasty Bundled Payments, Should They Be Implemented on a Nationwide Scale?
Zogg CK, Falvey JR, Dimick JB, Haider AH, Davis KA, Grauer JN. Changes in Discharge to Rehabilitation: Potential Unintended Consequences of Medicare Total Hip Arthroplasty/Total Knee Arthroplasty Bundled Payments, Should They Be Implemented on a Nationwide Scale? The Journal Of Arthroplasty 2019, 34: 1058-1065.e4. PMID: 30878508, PMCID: PMC6884960, DOI: 10.1016/j.arth.2019.01.068.Peer-Reviewed Original ResearchMeSH KeywordsAgedArthroplasty, Replacement, HipArthroplasty, Replacement, KneeComputer SimulationDecision TreesElective Surgical ProceduresHumansMedicareMiddle AgedMonte Carlo MethodPatient DischargePatient Protection and Affordable Care ActPatient ReadmissionQuality of LifeRehabilitationReimbursement MechanismsSkilled Nursing FacilitiesUnited StatesConceptsExtent of therapyHealth-related qualityType of rehabilitationFunctional recoveryPatients' health-related qualitySkilled nursing facility useElective total hipPrimary TKA patientsOutcomes of patientsPatient-centered outcomesPatients' functional recoveryInpatient rehabilitation facilityNursing facility useEpisode of careAverage functional outcomeBundled payment programsDischarge dispositionTKA patientsUnplanned readmissionTotal hipFunctional outcomeAffordable Care ActOutcome measuresRehabilitation facilityBundled Payments
2018
Racial/Ethnic Disparities in Longer-term Outcomes Among Emergency General Surgery Patients
Zogg CK, Jiang W, Ottesen TD, Shafi S, Schuster K, Becher R, Davis KA, Haider AH. Racial/Ethnic Disparities in Longer-term Outcomes Among Emergency General Surgery Patients. Annals Of Surgery 2018, 268: 968-979. PMID: 28742704, PMCID: PMC5783796, DOI: 10.1097/sla.0000000000002449.Peer-Reviewed Original ResearchConceptsEmergency general surgery patientsNon-Hispanic whitesGeneral surgery patientsLong-term outcomesNon-Hispanic blacksNon-Hispanic AsiansMinority patientsMajor morbidityUnplanned readmissionSurgery patientsOlder adultsRisk-adjusted Cox proportional hazards modelsEthnic disparitiesCox proportional hazards modelDiagnostic categoriesRacial/Ethnic DisparitiesUS population agesProportional hazards modelNHB patientsNonagenarian patientsNHW patientsBACKGROUND DATAHospital's percentageMortality differencesMedicare dataImpact of Affordable Care Act Insurance Expansion on Pre-Hospital Access to Care: Changes in Adult Perforated Appendix Admission Rates after Medicaid Expansion and the Dependent Coverage Provision
Zogg CK, Scott JW, Bhulani N, Gluck AR, Curfman GD, Davis KA, Dimick JB, Haider AH. Impact of Affordable Care Act Insurance Expansion on Pre-Hospital Access to Care: Changes in Adult Perforated Appendix Admission Rates after Medicaid Expansion and the Dependent Coverage Provision. Journal Of The American College Of Surgeons 2018, 228: 29-43.e1. PMID: 30359835, DOI: 10.1016/j.jamcollsurg.2018.09.022.Peer-Reviewed Original ResearchConceptsMedicaid expansionAffordable Care ActAdmission ratesPerforation rateInsurance coverageAffordable Care Act's insurance expansionInsurance expansionYoung adultsAcute surgical careDependent coverage provisionBetter patient outcomesFederal poverty levelRace/ethnicityAcute appendicitisHospitalized adultsAcute careParents' insuranceInpatient claimsPatient outcomesACA's impactSurgical careRisk populationsNonexpansion statesPrivileged patientsAge 26Insurance Status Biases Trauma-system Utilization and Appropriate Interfacility Transfer
Zogg CK, Schuster KM, Maung AA, Davis KA. Insurance Status Biases Trauma-system Utilization and Appropriate Interfacility Transfer. Annals Of Surgery 2018, 268: 681-689. PMID: 30004929, DOI: 10.1097/sla.0000000000002954.Peer-Reviewed Original ResearchConceptsNTC patientsMajor injuriesOlder adult trauma patientsNationwide Emergency Department SampleOptimal trauma careAdult trauma patientsEmergency department admissionsEmergency Department SampleTrauma center careTransfer of patientsComplex traumatic injuriesMultilevel logistic regressionTrauma patientsDepartment admissionsHigh morbidityTC careDirect admissionInsurance statusInterfacility transferUninsured patientsTrauma careTraumatic injuryOutcome measuresTrauma systemCenter careEnsuring Equity, Diversity, and Inclusion in Academic Surgery
West MA, Hwang S, Maier RV, Ahuja N, Angelos P, Bass BL, Brasel KJ, Chen H, Davis KA, Eberlein TJ, Fong Y, Greenberg CC, Lillemoe KD, McCarthy MC, Michelassi F, Numann PJ, Parangi S, Reyes JD, Sanfey HA, Stain SC, Weigel RJ, Wren SM. Ensuring Equity, Diversity, and Inclusion in Academic Surgery. Annals Of Surgery 2018, 268: 403-407. PMID: 30004923, DOI: 10.1097/sla.0000000000002937.Peer-Reviewed Original ResearchTransfer status
DeWane MP, Davis KA, Schuster KM, Erwin SP, Maung AA, Becher RD. Transfer status. Journal Of Trauma And Acute Care Surgery 2018, 85: 348-353. PMID: 29664889, DOI: 10.1097/ta.0000000000001939.Peer-Reviewed Original ResearchConceptsOutside emergency departmentHospital inpatient unitsEmergency departmentNursing homesInpatient unitTransfer statusSurgeons National Surgical Quality Improvement Program databaseNational Surgical Quality Improvement Program databaseBackward multivariable logistic regressionOutside hospital emergency departmentEmergency general surgery patientsQuality Improvement Program databaseMultivariate Cox regression analysisEmergency colon surgeryGeneral surgery patientsThirty-day mortalityImprovement Program databaseChronic care facilitiesCox regression analysisRates of morbidityTransfer of patientsHospital emergency departmentHospital inpatient wardsEmergent colectomyPhysiologic decompensationThe effect of insurance type on access to inguinal hernia repair under the Affordable Care Act
Hsiang W, McGeoch C, Lee S, Cheung W, Becher R, Davis KA, Schuster KM. The effect of insurance type on access to inguinal hernia repair under the Affordable Care Act. Surgery 2018, 164: 201-205. PMID: 29747862, DOI: 10.1016/j.surg.2018.03.013.Peer-Reviewed Original ResearchValidation of a new American Association for the Surgery of Trauma (AAST) anatomic severity grading system for acute cholecystitis
Vera K, Pei KY, Schuster KM, Davis KA. Validation of a new American Association for the Surgery of Trauma (AAST) anatomic severity grading system for acute cholecystitis. Journal Of Trauma And Acute Care Surgery 2018, 84: 650-654. PMID: 29271871, DOI: 10.1097/ta.0000000000001762.Peer-Reviewed Original ResearchConceptsLength of stayAcute cholecystitisICU useGrade 2Anatomic gradingAdverse eventsGrade 1Longer LOSAnatomic grading systemGrade 1 diseaseEmergency general surgeryGrade 3 patientsRetrospective cohort studyIncidence of complicationsMajority of patientsTertiary medical centerLow-grade diseaseSurgery of TraumaRisk-adjusted outcomesGood inter-rater reliabilityAAST gradeAmerican AssociationCholecystitis severityCohort studyConsecutive patientsVenous Thromboembolism-Related Readmission in Emergency General Surgery Patients: A Role for Prophylaxis on Discharge?
DeWane MP, Davis KA, Schuster KM, Maung AA, Becher RD. Venous Thromboembolism-Related Readmission in Emergency General Surgery Patients: A Role for Prophylaxis on Discharge? Journal Of The American College Of Surgeons 2018, 226: 1072-1077.e3. PMID: 29574180, DOI: 10.1016/j.jamcollsurg.2018.03.021.Peer-Reviewed Original ResearchConceptsVenous thromboembolismEmergency general surgery operationsPost-discharge venous thromboembolismEmergency general surgery patientsMultivariable logistic regression modelingCommon EGS operationsGeneral surgery patientsRate of readmissionUrinary tract infectionSurgeons NSQIP databaseHigh-risk groupGeneral surgery operationsLogistic regression modelingEGS operationsProphylactic anticoagulationVTE formationVTE prophylaxisVTE ratesEGS patientsPostoperative sepsisNSQIP databaseProlonged lengthSurgery patientsTract infectionsPredictive factors