2019
Rethinking our definition of operative success: predicting early mortality after emergency general surgery colon resection
DeWane MP, Davis KA, Schuster KM, Maung AA, Becher RD. Rethinking our definition of operative success: predicting early mortality after emergency general surgery colon resection. Trauma Surgery & Acute Care Open 2019, 4: e000244. PMID: 31245613, PMCID: PMC6560481, DOI: 10.1136/tsaco-2018-000244.Peer-Reviewed Original ResearchPostoperative septic shockEarly deathSeptic shockEarly mortalityColon resectionSurgeons National Surgical Quality Improvement Program databaseNational Surgical Quality Improvement Program databaseNew-onset renal failureEmergency general surgery patientsQuality Improvement Program databaseGeneral surgery patientsRetrospective cohort studyImprovement Program databasePostoperative day 5Overall mortality rateMultivariable logistic regressionImmediate perioperative complicationsSurgical Risk CalculatorKaplan-Meier modelEmergent colectomyLate deathsVentilator dependencePerioperative complicationsPostoperative complicationsPreoperative factorsHospital 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 increasePatientsSymptomatic 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 SampleHospital Volume and Operative Mortality for General Surgery Operations Performed Emergently in Adults
Becher RD, DeWane MP, Sukumar N, Stolar MJ, Gill TM, Maung AA, Schuster KM, Davis KA. Hospital Volume and Operative Mortality for General Surgery Operations Performed Emergently in Adults. Annals Of Surgery 2019, Publish Ahead of Print: &na;. PMID: 32675542, PMCID: PMC6803029, DOI: 10.1097/sla.0000000000003232.Peer-Reviewed Original ResearchHospital operative volumeSurgical emergencyAcute care hospitalsGeneral surgery operationsHospital volumeCare hospitalOperative volumeVolume thresholdEmergency general surgery operationsRetrospective cohort studyHigh-volume hospitalsUmbilical hernia repairRisk-adjusted mortalitySurgery operationsAverage mortality riskSurgical outcomes researchOperative mortalityAdult patientsCohort studyPublic health crisisHernia repairMortality riskTrauma surgerySurvival rateEmergency operation
2018
Validation 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 patients
2016
Outcomes of acute care surgical cases performed at night
Dalton MK, McDonald E, Bhatia P, Davis KA, Schuster KM. Outcomes of acute care surgical cases performed at night. The American Journal Of Surgery 2016, 212: 831-836. PMID: 27263405, DOI: 10.1016/j.amjsurg.2016.02.024.Peer-Reviewed Original ResearchConceptsAcute care surgeonsRetrospective cohort studyConditional logistic regressionMore hypotensionCohort studyOperative interventionOperative delayDay casesSurgical careOutcome differencesSurgical casesEmergency operationLogistic regressionSurgeonsPotent predictorTeam fatigueComorbiditiesSimilar degreeConfoundersOutcomesMortalityUnmeasured factorsDaysHypotensionSepsis