2023
The interaction between geriatric and neighborhood vulnerability: Delineating prehospital risk among older adult emergency general surgery patients
Zogg C, Falvey J, Kodadek L, Staudenmayer K, Davis K. The interaction between geriatric and neighborhood vulnerability: Delineating prehospital risk among older adult emergency general surgery patients. Journal Of Trauma And Acute Care Surgery 2023, 96: 400-408. PMID: 37962136, PMCID: PMC10922165, DOI: 10.1097/ta.0000000000004191.Peer-Reviewed Original ResearchGeriatric vulnerabilitiesOlder adultsEGS careAdverse outcomesHospital Frailty Risk ScoreEmergency general surgery patientsGreater riskFlorida State Inpatient DatabaseFrailty Risk ScoreGeneral surgery patientsState Inpatient DatabasesArea Deprivation IndexEthnic minority patientsNeighborhood vulnerabilityEGS outcomesHazard ratioOlder patientsSurgery patientsPatient ageEGS conditionsInpatient DatabaseVulnerable patientsPatient residesMinority patientsRisk score
2022
Reconceptualizing high-quality emergency general surgery care: Non–mortality-based quality metrics enable meaningful and consistent assessment
Zogg CK, Staudenmayer KL, Kodadek LM, Davis KA. Reconceptualizing high-quality emergency general surgery care: Non–mortality-based quality metrics enable meaningful and consistent assessment. Journal Of Trauma And Acute Care Surgery 2022, 94: 68-77. PMID: 36245079, PMCID: PMC9805506, DOI: 10.1097/ta.0000000000003818.Peer-Reviewed Original ResearchConceptsEmergency general surgeryHospital-level factorsEGS conditionsEmergency general surgery careOlder adultsNationwide Readmissions DatabaseComplex older adultsSurgery of TraumaGeneral surgery careQuality improvement initiativesOlder adult populationEGS careEGS hospitalsEGS patientsPatient frailtySurgery careGeneral surgeryHospitalLevel IIIAdult populationCohortPatientsComplex adultCareAdultsBeyond In-hospital Mortality
Zogg CK, Cooper Z, Peduzzi P, Falvey JR, Tinetti ME, Lichtman JH. Beyond In-hospital Mortality. Annals Of Surgery 2022, 278: e314-e330. PMID: 36111845, PMCID: PMC10014495, DOI: 10.1097/sla.0000000000005707.Peer-Reviewed Original ResearchConceptsOlder trauma patientsHospital mortalityOlder adultsTrauma patientsHealthy daysSevere traumatic brain injuryAdult trauma careCause of deathUnique health needsTraumatic brain injuryLoss of independenceIndex admissionHip fracturePrimary diagnosisBrain injuryTrauma careTraumatic injuryMedicare claimsHealth needsMortalityAverage numberReadmissionAdultsPatientsQuintile ranks
2020
Comparison of epidemiology, treatments, and outcomes in pediatric versus adult ependymoma
Elsamadicy AA, Koo AB, David WB, Lee V, Zogg CK, Kundishora AJ, Hong CS, DeSpenza T, Reeves BC, Kahle KT, DiLuna M. Comparison of epidemiology, treatments, and outcomes in pediatric versus adult ependymoma. Neuro-Oncology Advances 2020, 2: vdaa019. PMID: 32642681, PMCID: PMC7212900, DOI: 10.1093/noajnl/vdaa019.Peer-Reviewed Original ResearchDiagnosis of ependymomaCause mortalityOlder adultsYoung adultsCause mortality ratesTreatment risk factorsExtent of resectionComparison of EpidemiologyMultivariate logistic regressionSignificant differencesImpact of ageInfluence of ageAdult patientsSEER databaseSurgical treatmentSurvival outcomesEpendymoma patientsRisk factorsTumor gradeAdult ependymomasTreatment outcomesHistological classificationSupratentorial locationInternational ClassificationMortality rate
2019
Total hip arthroplasty versus hemiarthroplasty for independently mobile older adults with intracapsular hip fractures
Metcalfe D, Judge A, Perry DC, Gabbe B, Zogg CK, Costa ML. Total hip arthroplasty versus hemiarthroplasty for independently mobile older adults with intracapsular hip fractures. BMC Musculoskeletal Disorders 2019, 20: 226. PMID: 31101041, PMCID: PMC6525472, DOI: 10.1186/s12891-019-2590-4.Peer-Reviewed Original ResearchMeSH KeywordsAge FactorsAgedAged, 80 and overArthroplasty, Replacement, HipFemur HeadFracture DislocationHemiarthroplastyHip FracturesHumansIndependent LivingMiddle AgedPatient SelectionPostoperative ComplicationsQuality of LifeRandomized Controlled Trials as TopicRegistriesReoperationRisk FactorsUnited KingdomConceptsTotal hip arthroplastyNational Hip Fracture DatabaseHospital Episode StatisticsHip fractureIntracapsular hip fracturesMobile older adultsTHA dislocationOlder adultsHip arthroplastyPropensity scoreHealth-related qualityHip Fracture DatabaseClinical registry dataLength of stayMethodsA systematic reviewUrgent further studyDeath registration dataResultsFive RCTsFit patientsSecondary outcomesPrimary outcomeEpisode StatisticsSafety profileSurgical interventionFunctional outcome
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 data
2017
The Need to Consider Longer-term Outcomes of Care
Zogg CK, Olufajo OA, Jiang W, Bystricky A, Scott JW, Shafi S, Havens JM, Salim A, Schoenfeld AJ, Haider AH. The Need to Consider Longer-term Outcomes of Care. Annals Of Surgery 2017, 266: 66-75. PMID: 28140382, DOI: 10.1097/sla.0000000000001932.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAgedBlack or African AmericanCaliforniaEmergency Service, HospitalHealthcare DisparitiesHispanic or LatinoHospital MortalityHumansIncomeInsurance CoverageInsurance, HealthLongitudinal StudiesMiddle AgedOutcome Assessment, Health CarePatient ReadmissionPostoperative ComplicationsProportional Hazards ModelsSurgical Procedures, OperativeSurvival AnalysisWhite PeopleYoung AdultConceptsLong-term outcomesNon-Hispanic blacksUnplanned readmissionMajor morbidityWhite patientsMinority patientsEthnic disparitiesEmergency general surgery patientsCalifornia State Inpatient DatabaseCox proportional hazards modelDiagnostic categoriesOlder adultsGeneral surgery patientsState Inpatient DatabasesProportional hazards modelRisk-adjusted differencesHispanic older adultsEGS patientsEGS volumeReadmission trendsSurgery patientsSurgical patientsHospital proportionInpatient DatabasePostacute phase
2016
Differential access to care: The role of age, insurance, and income on race/ethnicity-related disparities in adult perforated appendix admission rates
Zogg CK, Scott JW, Jiang W, Wolf LL, Haider AH. Differential access to care: The role of age, insurance, and income on race/ethnicity-related disparities in adult perforated appendix admission rates. Surgery 2016, 160: 1145-1154. PMID: 27486003, DOI: 10.1016/j.surg.2016.06.002.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAge FactorsAppendicitisConfidence IntervalsEthnicityFemaleHealth Care SurveysHealth Services AccessibilityHealthcare DisparitiesHumansIncomeInsurance CoverageMaleMiddle AgedOdds RatioOutcome Assessment, Health CarePatient AdmissionRacial GroupsRisk AssessmentRoleUnited StatesYoung AdultConceptsAcute appendicitisAdmission ratesLack of differenceNationwide Inpatient SampleRisk-adjusted differencesUnited States populationRace/ethnicityPediatric studiesInpatient SampleWorse outcomesMinority patientsBetter outcomesUniversal insurancePatientsEthnic disparitiesLogistic regressionRole of ageEthnic inequitiesHealthcare ResearchAge incrementsOlder adultsAdultsDisparate outcomesEthnic differencesAppendicitisAre Older Adults With Hip Fractures Disadvantaged in Level 1 Trauma Centers?
Metcalfe D, Olufajo OA, Zogg CK, Gates JD, Weaver MJ, Harris MB, Rios-Diaz AJ, Haider AH, Salim A. Are Older Adults With Hip Fractures Disadvantaged in Level 1 Trauma Centers? Medical Care 2016, 54: 616-622. PMID: 26974676, DOI: 10.1097/mlr.0000000000000535.Peer-Reviewed Original ResearchConceptsLevel 1 trauma centerHigh-level trauma centersTrauma centerNontrauma centersHip fractureOlder adultsVenous thromboembolismPatient groupLevel 2 trauma centerIsolated hip fractureRetrospective cohort studyWorse clinical outcomesLength of stayLarge regional hospitalInhospital mortalityUnderwent surgeryUnplanned readmissionCohort studySurgical treatmentClinical outcomesInterhospital transferInpatient stayRegional hospitalHigher oddsBetter outcomesHospital case volume and outcomes for proximal femoral fractures in the USA: an observational study
Metcalfe D, Salim A, Olufajo O, Gabbe B, Zogg C, Harris MB, Perry DC, Costa ML. Hospital case volume and outcomes for proximal femoral fractures in the USA: an observational study. BMJ Open 2016, 6: e010743. PMID: 27056592, PMCID: PMC4838676, DOI: 10.1136/bmjopen-2015-010743.Peer-Reviewed Original ResearchConceptsHigh-volume hospitalsHip fractureObservational studyIsolated hip fractureRate of pneumoniaHip fracture careHospital case volumeLow-volume hospitalsProximal femoral fracturesLength of stayPatient safety imperativeHospital mortalityVenous thromboembolismSecondary outcomesFracture careClinical outcomesFemoral fracturesAcute hospitalsPatient outcomesInclusion criteriaPressure ulcersCase volumeHospitalOlder adultsOutcomesNever 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 surgery
2015
Geriatric 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