2022
The extent to which geography explains one of trauma’s troubling trends: Insurance-based differences in appropriate interfacility transfer
Zogg CK, Schuster KM, Maung AA, Davis KA. The extent to which geography explains one of trauma’s troubling trends: Insurance-based differences in appropriate interfacility transfer. Journal Of Trauma And Acute Care Surgery 2022, 93: 686-694. PMID: 35293375, PMCID: PMC9470786, DOI: 10.1097/ta.0000000000003605.Peer-Reviewed Original ResearchConceptsNontrauma centersEmergency departmentMajor injuriesTrauma centerSignificant geographic variationInsurance-based differencesRisk-adjusted oddsLarge trauma centersNeighborhood socioeconomic disadvantageHierarchical logistic regressionInsured adultsTransfer patientsInsurance statusInterfacility transferStratified analysisED claimsUninsured adultsLevel IIISecondary objectiveTriage patternsDeprived populationsLogistic regressionInjurySocioeconomic disadvantageAdmission differences
2018
Disparate outcomes of global emergency surgery - A matched comparison of patients in developed and under—developed healthcare settings
Shah AA, Zogg CK, Rehman A, Latif A, Zafar H, Shakoor A, Wasif N, Chapital AB, Riviello R, Ashfaq A, Williams M, Cornwell EE, Haider AH. Disparate outcomes of global emergency surgery - A matched comparison of patients in developed and under—developed healthcare settings. The American Journal Of Surgery 2018, 215: 1029-1036. PMID: 29807633, DOI: 10.1016/j.amjsurg.2018.05.008.Peer-Reviewed Original ResearchConceptsAga Khan University HospitalPakistani patientsUS Nationwide Inpatient SampleHealthcare settingsUrban-teaching hospitalsRisk-adjusted oddsComparison of patientsNationwide Inpatient SampleRisk-adjusted differencesGlobal health policy developmentHealth system strengtheningDiverse healthcare settingsHealth policy developmentReported morbidityMajor morbidityEmergency surgeryRural patientsUniversity HospitalInpatient SampleGeneralized-linear modelSurgical careMortality differencesPatientsHealthcare systemDisparate outcomes
2016
Never giving up: outcomes and presentation of emergency general surgery in geriatric octogenarian and nonagenarian patients
Shah AA, Zafar SN, Kodadek LM, Zogg CK, Chapital AB, Iqbal A, Greene WR, Cornwell EE, Havens J, Nitzschke S, Cooper Z, Salim A, Haider AH. Never giving up: outcomes and presentation of emergency general surgery in geriatric octogenarian and nonagenarian patients. The American Journal Of Surgery 2016, 212: 211-220.e3. PMID: 27086200, DOI: 10.1016/j.amjsurg.2016.01.021.Peer-Reviewed Original ResearchConceptsLength of stayNonagenarian patientsYoung adultsUtilization Project Nationwide Inpatient SampleLower total hospital costsEmergency general surgery patientsShorter LOSLower risk-adjusted oddsOlder adultsPrimary EGS diagnosesEmergency general surgeryGeneral surgery patientsRisk-adjusted oddsTotal hospital costsHigher mortality riskRisk-adjusted differencesGastrostomy careMajor morbidityOlder patientsSurgery patientsEGS diagnosesInpatient SampleHospital costsHigher oddsGeneral surgeryInfluence of sub-specialty surgical care on outcomes for pediatric emergency general surgery patients in a low-middle income country
Shah AA, Shakoor A, Zogg CK, Oyetunji T, Ashfaq A, Garvey EM, Latif A, Riviello R, Qureshi FG, Mateen A, Haider AH, Zafar H. Influence of sub-specialty surgical care on outcomes for pediatric emergency general surgery patients in a low-middle income country. International Journal Of Surgery 2016, 29: 12-18. PMID: 26971828, DOI: 10.1016/j.ijsu.2016.03.007.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAsia, SoutheasternChildChild, PreschoolDeveloping CountriesEmergency Service, HospitalFemaleGeneral SurgeryHealth ResourcesHospital MortalityHumansLength of StayMaleOutcome Assessment, Health CarePakistanPediatric Emergency MedicinePostoperative ComplicationsRetrospective StudiesConceptsLength of stayPediatric patientsPediatric surgeryPediatric surgeonsEmergency general surgical conditionsHigher risk-adjusted oddsEmergency general surgery patientsBetter post-operative outcomesAverage LOSAdult general surgeonsAdult general surgeryGeneral surgery patientsGeneral surgical teamRisk-adjusted oddsGeneral surgical conditionsGeneral surgery teamPost-operative outcomesMultivariable regression analysisPediatric surgical specialtiesChildren/adolescentsResource-constrained settingsResource-limited settingsLow-middle income countriesMost patientsSurgery patientsEvaluation of the Perceived Association Between Resident Turnover and the Outcomes of Patients Who Undergo Emergency General Surgery: Questioning the July Phenomenon
Shah AA, Zogg CK, Nitzschke SL, Changoor NR, Havens JM, Salim A, Cooper Z, Haider AH. Evaluation of the Perceived Association Between Resident Turnover and the Outcomes of Patients Who Undergo Emergency General Surgery: Questioning the July Phenomenon. JAMA Surgery 2016, 151: 1-8. PMID: 26536282, DOI: 10.1001/jamasurg.2015.3940.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAgedAged, 80 and overEducation, Medical, GraduateEmergenciesFemaleGeneral SurgeryHospital MortalityHospitals, TeachingHumansLength of StayMaleMiddle AgedOutcome Assessment, Health CarePersonnel TurnoverPropensity ScoreRetrospective StudiesSeasonsUnited StatesWorkforceYoung AdultConceptsEmergency general surgeryTotal hospital costsLength of stayJuly phenomenonEGS patientsEGS conditionsHospital costsTeaching hospitalGeneral surgeryLower risk-adjusted oddsOutcomes of patientsRisk-adjusted oddsNationwide Inpatient SampleSurgery of TraumaHospital mortalityAdult patientsEarly patientsPoor outcomeInpatient SamplePrincipal diagnosisRetrospective analysisMAIN OUTCOMEMultivariable regressionPatientsPropensity score
2015
Analgesic Access for Acute Abdominal Pain in the Emergency Department Among Racial/Ethnic Minority Patients
Shah AA, Zogg CK, Zafar SN, Schneider EB, Cooper LA, Chapital AB, Peterson SM, Havens JM, Thorpe RJ, Roter DL, Castillo RC, Salim A, Haider AH. Analgesic Access for Acute Abdominal Pain in the Emergency Department Among Racial/Ethnic Minority Patients. Medical Care 2015, 53: 1000-1009. PMID: 26569642, DOI: 10.1097/mlr.0000000000000444.Peer-Reviewed Original ResearchMeSH KeywordsAbdominal PainAcute PainAdolescentAdultAgedAnalgesicsBlack or African AmericanDiagnostic Techniques and ProceduresEmergency Service, HospitalEthnicityFemaleHealth Care SurveysHealthcare DisparitiesHispanic or LatinoHospitalizationHumansLength of StayMaleMiddle AgedNarcoticsRacial GroupsResidence CharacteristicsRetrospective StudiesSocioeconomic FactorsTime FactorsWhite PeopleYoung AdultConceptsAcute abdominal painLower risk-adjusted oddsRisk-adjusted oddsAbdominal painRace/ethnicityEmergency departmentMinority patientsEthnic disparitiesNontraumatic acute abdominal painRisk-adjusted multivariable analysisNon-Hispanic black patientsNon-Hispanic white patientsRace/ethnicity-based differencesEthnic group patientsModerate-severe painPatient-reported painPatients 18 yearsProportion of patientsSubsequent inpatient admissionSurgery of TraumaRisk-adjusted differencesED wait timesNon-Hispanic blacksEthnic minority patientsUniform definitionThe hazards of off-road motor sports: Are four wheels better than two?
Villegas CV, Bowman SM, Zogg CK, Scott VK, Haut ER, Stevens KA, Efron DT, Haider AH. The hazards of off-road motor sports: Are four wheels better than two? Injury 2015, 47: 178-183. PMID: 26319205, DOI: 10.1016/j.injury.2015.08.001.Peer-Reviewed Original ResearchConceptsHigher risk-adjusted oddsRisk-adjusted oddsATV patientsIntensive care unit admissionNational Trauma Data BankCrash victimsCare unit admissionInjury prevention planningUS National Trauma Data BankTrauma Data BankRelative safety profileUnit admissionAbdominal injuriesRetrospective reviewAnatomic injuryInjury characteristicsSevere headAnatomic distributionSafety profileTrauma outcomesInclusion criteriaPatientsSevere injuriesLogistic regressionInjuryRacial disparities in surgical outcomes: Does the level of resident surgeon play a role?
Changoor NR, Ortega G, Ekladios M, Zogg CK, Cornwell EE, Haider AH. Racial disparities in surgical outcomes: Does the level of resident surgeon play a role? Surgery 2015, 158: 547-555. PMID: 26003906, DOI: 10.1016/j.surg.2015.03.046.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAppendectomyCholecystectomy, LaparoscopicClinical CompetenceDatabases, FactualEthnicityFemaleHealthcare DisparitiesHerniorrhaphyHumansInternship and ResidencyLogistic ModelsMaleMiddle AgedOutcome Assessment, Health CarePostoperative ComplicationsRetrospective StudiesUnited StatesWhite PeopleConceptsBlack patientsSurgeons National Surgical Quality Improvement Program databaseNational Surgical Quality Improvement Program databaseGreater risk-adjusted oddsQuality Improvement Program databaseImprovement Program databaseRisk-adjusted oddsMultivariable logistic regressionOpen hernia repairSurgical residentsHigher likelihoodLevels of providersJunior residentsSenior residentsPresence/levelLaparoscopic appendectomyMinor complicationsPatient demographicsPostoperative outcomesSurgical disparitiesHispanic patientsLaparoscopic cholecystectomySurgical outcomesWorse outcomesProgram databaseGeriatric emergency general surgery: Survival and outcomes in a low-middle income country
Shah AA, Haider AH, Riviello R, Zogg CK, Zafar SN, Latif A, Diaz A, Rehman Z, Zafar H. Geriatric emergency general surgery: Survival and outcomes in a low-middle income country. Surgery 2015, 158: 562-569. PMID: 25999249, DOI: 10.1016/j.surg.2015.03.045.Peer-Reviewed Original ResearchConceptsEmergency general surgery conditionsGreater oddsGeriatric patientsSurgery conditionsEmergency general surgical conditionsGreater risk-adjusted oddsOlder adultsRisk-adjusted oddsClinical Modification diagnosisGeneral surgical conditionsPeptic ulcer diseaseSurgery of TraumaMultivariable regression analysisCase-mix dataYears of ageHealth care settingsLow-middle income countriesCause mortalityGastrointestinal bleedingHospital stayAdult patientsOperative interventionYounger patientsMajor complicationsUlcer disease