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
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 operationHospital Variation in Geriatric Surgical Safety for Emergency Operation
Becher RD, Sukumar N, DeWane MP, Stolar MJ, Gill TM, Schuster KM, Maung AA, Zogg CK, Davis KA. Hospital Variation in Geriatric Surgical Safety for Emergency Operation. Journal Of The American College Of Surgeons 2020, 230: 966-973.e10. PMID: 32032720, PMCID: PMC7409563, DOI: 10.1016/j.jamcollsurg.2019.10.018.Peer-Reviewed Original ResearchConceptsStandardized mortality ratioHospital-level characteristicsGeneral surgery operationsGeriatric patientsEmergency operationHospital variationEmergency general surgery operationsMean standardized mortality ratioCalifornia State Inpatient DatabaseHospital-based mortalitySignificant hospital variationPatients 65 yearsSubstantial excess mortalitySurgery operationsState Inpatient DatabasesMixed effects logistic regression modelsCommon general surgery operationsLow-mortality outliersLogistic regression modelsPostoperative mortalityHospital deathOlder patientsInpatient DatabaseMortality outcomesNonelective operations
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 facilityChanges 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 care
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