2023
Palliative Care in a Pandemic: A Multicenter Cohort of Critically Ill Patients with Coronavirus Disease 2019
Kodadek L, Moore M, Miller S, Schneider E, Ahuja V, Maerz L, Davis K. Palliative Care in a Pandemic: A Multicenter Cohort of Critically Ill Patients with Coronavirus Disease 2019. Surgical Infections 2023, 24: 190-198. PMID: 36757283, PMCID: PMC10081705, DOI: 10.1089/sur.2022.377.Peer-Reviewed Original ResearchConceptsIntensive care unitPalliative careIll patientsCoronavirus disease 2019Life careClinical characteristicsMechanical ventilationDisease 2019Acute respiratory syndrome coronavirus 2 infectionSevere acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infectionSyndrome coronavirus 2 infectionCoronavirus 2 infectionPalliative care consultationPalliative care servicesCOVID-19Outcomes of interestHospital lengthAdult patientsComorbid diseasesDisease courseMulticenter cohortCare unitCare consultationsVaccination dataPatients
2020
Benchmarking 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
Regionalization of emergency general surgery operations: A simulation study.
Becher RD, Sukumar N, DeWane MP, Gill TM, Maung AA, Schuster KM, Stolar MJ, Davis KA. Regionalization of emergency general surgery operations: A simulation study. Journal Of Trauma And Acute Care Surgery 2019, 88: 366-371. PMID: 31804419, PMCID: PMC7472889, DOI: 10.1097/ta.0000000000002543.Peer-Reviewed Original ResearchConceptsEmergency general surgeryHigh-volume hospitalsEGS careEmergency general surgery operationsCalifornia inpatient databaseCommon EGS operationsRisk-adjusted deathsSignificant survival benefitLow-volume hospitalsUmbilical hernia repairSmall bowel resectionHigh-mortality hospitalsGeneral surgery operationsRegional trauma systemEGS operationsBowel resectionAdult patientsPrimary outcomeSurvival benefitInpatient DatabaseHernia repairTrauma systemLevel IVGeneral surgeryCare managementTop-tier emergency general surgery hospitals: Good at one operation, good at them all.
DeWane MP, Sukumar N, Stolar MJ, Gill TM, Maung AA, Schuster KM, Davis KA, Becher RD. Top-tier emergency general surgery hospitals: Good at one operation, good at them all. Journal Of Trauma And Acute Care Surgery 2019, 87: 289-296. PMID: 31349347, PMCID: PMC6771423, DOI: 10.1097/ta.0000000000002367.Peer-Reviewed Original ResearchConceptsRisk-adjusted mortalityEGS hospitalsHospital risk-adjusted mortalityOperation typeEGS operationsCalifornia State Inpatient DatabaseGeneral surgery hospitalsHospital-level factorsAcute care hospitalsState Inpatient DatabasesAmerican Hospital Association databasePoor-performing hospitalsSystems of careLow-risk operationAssessment of mortalityAdult patientsCare hospitalSurgery HospitalInpatient DatabaseHospital characteristicsMultinomial logistic regressionMortality rateHospitalLevel IIIZ-scoreAssociation 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 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 costPatientsEvaluation of Swallow Function Post-Extubation: Is It Necessary to Wait 24 Hours?
Leder SB, Warner HL, Suiter DM, Young NO, Bhattacharya B, Siner JM, Davis KA, Maerz LL, Rosenbaum SH, Marshall PS, Pisani MA, Siegel MD, Brennan JJ, Schuster KM. Evaluation of Swallow Function Post-Extubation: Is It Necessary to Wait 24 Hours? Annals Of Otology Rhinology & Laryngology 2019, 128: 619-624. PMID: 30841709, DOI: 10.1177/0003489419836115.Peer-Reviewed Original ResearchConceptsIntensive care unitSwallow evaluationDifferent intensive care unitsRe-intubation rateYale Swallow ProtocolMajority of patientsPost-extubation dysphagiaIntubation durationNosocomial pneumoniaPost extubationLonger hospitalizationCare unitProspective InvestigationSwallow ProtocolSwallowingHoursDysphagiaHospitalizationIntubationPneumoniaPatientsIncidenceEvaluationSymptomatic 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 Sample
2018
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
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 26Opioid dependency is independently associated with inferior clinical outcomes after trauma
Hsiang WR, McGeoch C, Lee S, Cheung W, Becher R, Davis KA, Schuster K. Opioid dependency is independently associated with inferior clinical outcomes after trauma. Injury 2018, 50: 192-196. PMID: 30342762, DOI: 10.1016/j.injury.2018.10.015.Peer-Reviewed Original ResearchConceptsNon-home dischargeOpioid-dependent patientsLength of stayInjury Severity ScoreOpioid dependencyVentilator daysMajor complicationsClinical outcomesPrescription abuseIllicit abuseLonger LOSChronic pain subgroupsMore ventilator daysOpioid-naïve patientsUse of opioidsAcademic Level IHigher readmission ratesInferior clinical outcomesChronic pain patientsOpioid subgroupsNaïve patientsAdult patientsPain subgroupsPatient demographicsReadmission ratesInsurance 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 careTransfer 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 decompensationTotal bilirubin trend as a predictor of common bile duct stones in acute cholecystitis and symptomatic cholelithiasis
Gillaspie DB, Davis KA, Schuster KM. Total bilirubin trend as a predictor of common bile duct stones in acute cholecystitis and symptomatic cholelithiasis. The American Journal Of Surgery 2018, 217: 98-102. PMID: 29929909, DOI: 10.1016/j.amjsurg.2018.06.011.Peer-Reviewed Original ResearchConceptsCommon bile duct stonesBile duct stonesAcute cholecystitisSymptomatic cholelithiasisDuct stonesBilirubin levelsProcedural interventionTotal bilirubinPresence of CBDSElevated total bilirubinTotal bilirubin levelsElevated serum bilirubinBiliary colicAdult patientsSerum bilirubinSerum makersImmediate imagingCholecystitisBilirubinCholelithiasisPatientsInterventionColicLevelsRisk of Surgical Site Infection (SSI) following Colorectal Resection Is Higher in Patients With Disseminated Cancer: An NCCN Member Cohort Study
Kamboj M, Childers T, Sugalski J, Antonelli D, Bingener-Casey J, Cannon J, Cluff K, Davis KA, Dellinger EP, Dowdy SC, Duncan K, Fedderson J, Glasgow R, Hall B, Hirsch M, Hutter M, Kimbro L, Kuvshinoff B, Makary M, Morris M, Nehring S, Ramamoorthy S, Scott R, Sovel M, Strong V, Webster A, Wick E, Aguilar JG, Carlson R, Sepkowitz K. Risk of Surgical Site Infection (SSI) following Colorectal Resection Is Higher in Patients With Disseminated Cancer: An NCCN Member Cohort Study. Infection Control And Hospital Epidemiology 2018, 39: 555-562. PMID: 29553001, PMCID: PMC6707075, DOI: 10.1017/ice.2018.40.Peer-Reviewed Original ResearchConceptsSurgical site infectionDisseminated cancerHealthcare-associated infectionsSSI ratesColorectal surgeryASA scoreSite infectionSSI riskColorectal proceduresRate of SSIRisk of SSIDevelopment of SSICommon healthcare-associated infectionsChronic obstructive pulmonary diseaseInfect Control Hosp EpidemiolBackgroundSurgical site infectionCurrent Procedural Technology codesPooled SSI rateNational Comprehensive Cancer Network (NCCN) member institutionsObstructive pulmonary diseaseClinical Modification codesLonger durationPotential risk factorsRisk-adjusted outcomesSurgical quality improvementA simple predictor of post-operative complications after open surgical adhesiolysis for small bowel obstruction
Asuzu D, Pei KY, Davis KA. A simple predictor of post-operative complications after open surgical adhesiolysis for small bowel obstruction. The American Journal Of Surgery 2018, 216: 67-72. PMID: 29548529, DOI: 10.1016/j.amjsurg.2018.02.031.Peer-Reviewed Original ResearchConceptsPost-operative complicationsSmall bowel obstructionBowel obstructionOpen lysisSurgical managementSurgeons National Surgical Quality Improvement Program databaseNational Surgical Quality Improvement Program databaseAdhesive small bowel obstructionQuality Improvement Program databaseImprovement Program databaseAvailable clinical parametersPrior sepsisAnesthesiologists classificationClinical parametersSurgical adhesiolysisFunctional statusProgram databaseAmerican CollegeComplicationsObstructionLogistic regressionPreoperative modelCharacteristic curveAmerican SocietyFASExternal Validation of University of Wisconsin's Clinical Criteria for Obtaining Maxillofacial Computed Tomography in Trauma
Harrington AW, Pei KY, Assi R, Davis KA. External Validation of University of Wisconsin's Clinical Criteria for Obtaining Maxillofacial Computed Tomography in Trauma. Journal Of Craniofacial Surgery 2018, 29: e167-e170. PMID: 29309356, DOI: 10.1097/scs.0000000000004240.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedEcchymosisFacial BonesFacial InjuriesFemaleGlasgow Coma ScaleHospitals, UniversityHumansMaleMalocclusionMiddle AgedPhysical ExaminationPractice Guidelines as TopicPredictive Value of TestsRetrospective StudiesSkull FracturesTomography, X-Ray ComputedTooth LossTrauma CentersWisconsinConceptsLevel 1 trauma centerTrauma centerFacial fracturesClinical criteriaPredictive valueAdditional cross-sectional imagingModern practice patternsPhysical examination criteriaCross-sectional imagingNegative predictive valueMaxillofacial computed tomographyPositive predictive valueElectronic medical recordsRetrospective case studyMultisystem traumaPhysical examinationMaxillofacial fracturesBoard-certified radiologistsMedical recordsPractice patternsComputed tomographyFacial bonesConfidence intervalsInternal validation studyExamination criteriaRelationship between duration of preoperative symptoms and postoperative ileus for small bowel obstruction
Brandt WS, Wood J, Bhattacharya B, Pei K, Davis KA, Schuster K. Relationship between duration of preoperative symptoms and postoperative ileus for small bowel obstruction. Journal Of Surgical Research 2018, 225: 40-44. PMID: 29605033, DOI: 10.1016/j.jss.2017.12.031.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAged, 80 and overAscitesEquipment and Supplies UtilizationFemaleFood IntoleranceHumansIleusIntensive Care UnitsIntestinal ObstructionIntestine, SmallLength of StayMaleMiddle AgedParenteral NutritionPostoperative ComplicationsPreoperative PeriodRetrospective StudiesRisk FactorsTime FactorsTime-to-TreatmentYoung AdultConceptsTolerance of dietSmall bowel obstructionPreoperative symptomsLength of stayPostoperative ileusUnivariable analysisTotal durationIntensive care unit admissionTotal parenteral nutrition useParenteral nutrition useCare unit admissionIntensive care unitPreoperative ascitesBowel obstructionPrimary endpointSecondary endpointsSymptom durationUnit admissionMedian durationOperative interventionPostoperative outcomesCare unitMultivariable analysisRetrospective reviewNutrition use
2017
Natural history of splenic vascular abnormalities after blunt injury
Zarzaur BL, Dunn JA, Leininger B, Lauerman M, Shanmuganathan K, Kaups K, Zamary K, Hartwell JL, Bhakta A, Myers J, Gordy S, Todd SR, Claridge JA, Teicher E, Sperry J, Privette A, Allawi A, Burlew CC, Maung AA, Davis KA, Cogbill T, Bonne S, Livingston DH, Coimbra R, Kozar RA. Natural history of splenic vascular abnormalities after blunt injury. Journal Of Trauma And Acute Care Surgery 2017, 83: 999-1005. PMID: 28570347, DOI: 10.1097/ta.0000000000001597.Peer-Reviewed Original ResearchConceptsBlunt splenic injurySplenic vascular injuryVascular injuryVascular abnormalitiesSplenic injuryTomography scanNatural historyRisks of splenectomyOutcomes of patientsComputed tomography scanNonoperative failureAdult patientsBlunt injuryEarly splenectomyUnderwent splenectomyInjury characteristicsMultivariable analysisTrauma centerTrauma radiologistSplenectomyHigh riskPrognostic studiesPatientsAppropriate managementLevel IIIImpact of Race on the Surgical Management of Adhesive Small Bowel Obstruction
Chiu AS, Jean RA, Davis KA, Pei KY. Impact of Race on the Surgical Management of Adhesive Small Bowel Obstruction. Journal Of The American College Of Surgeons 2017, 226: 968-976.e1. PMID: 29170020, DOI: 10.1016/j.jamcollsurg.2017.11.006.Peer-Reviewed Original ResearchConceptsSmall bowel obstructionManagement of SBOAdhesive small bowel obstructionBowel obstructionWhite patientsOpen surgeryPatient raceNational Surgical Quality Improvement ProgramSurgical Quality Improvement ProgramSurgical decision-making processSmall bowel resectionQuality Improvement ProgramLogistic regression modelsAnesthesiologists classPostoperative complicationsBowel resectionPatient comorbiditiesHospital admissionNonsurgical managementBlack patientsHispanic patientsSurgical managementOpen procedureProvider judgmentGeneral surgeons