2024
Total and Out-of-Pocket Costs Surrounding Emergency Department Care Among Older Adults Enrolled in Traditional Medicare and Medicare Advantage
Gettel C, Salah W, Rothenberg C, Liang Y, Schwartz H, Scott K, Hwang U, Hastings S, Venkatesh A. Total and Out-of-Pocket Costs Surrounding Emergency Department Care Among Older Adults Enrolled in Traditional Medicare and Medicare Advantage. Annals Of Emergency Medicine 2024, 84: 285-294. PMID: 38864783, PMCID: PMC11343654, DOI: 10.1016/j.annemergmed.2024.04.023.Peer-Reviewed Original ResearchOut-of-pocketED visitsTraditional MedicareOlder adultsEmergency departmentMedicare AdvantageMedicare Advantage plan enrolleesMedicare Current Beneficiary SurveyEmergency department careTreat-and-releaseOut-of-pocket expensesOut-of-pocket health care spendingHealth care spendingCross-sectional analysisProportion of costsMedian totalEmergency careTreat-and-release emergency departmentBeneficiary SurveyMedian total costProportion of expensesCare spendingPlan enrolleesMedicareVisits
2018
Geriatric Emergency Department Innovations: Transitional Care Nurses and Hospital Use
Hwang U, Dresden SM, Rosenberg MS, Garrido MM, Loo G, Sze J, Gravenor S, Courtney DM, Kang R, Zhu CW, Vargas‐Torres C, Grudzen CR, Richardson LD, Investigators T. Geriatric Emergency Department Innovations: Transitional Care Nurses and Hospital Use. Journal Of The American Geriatrics Society 2018, 66: 459-466. PMID: 29318583, PMCID: PMC6764445, DOI: 10.1111/jgs.15235.Peer-Reviewed Original ResearchConceptsTransitional care nursesIndex ED visitED revisitsED visitsCare nursesInpatient admissionsHospital useProspective observational cohortU.S. EDsClinical characteristicsObservational cohortSecondary outcomesPrimary outcomeEmergency departmentObserved selection biasLower riskAdmissionCare staffGreater riskStudy periodRiskOutcomesSelection biasNursesVisits
2016
Increased Identification of Emergency Department 72‐hour Returns Using Multihospital Health Information Exchange
Shy BD, Kim EY, Genes NG, Lowry T, Loo GT, Hwang U, Richardson LD, Shapiro JS. Increased Identification of Emergency Department 72‐hour Returns Using Multihospital Health Information Exchange. Academic Emergency Medicine 2016, 23: 645-649. PMID: 26932394, DOI: 10.1111/acem.12954.Peer-Reviewed Original ResearchConceptsEmergency departmentHealth information exchangeED returnIndex visitReturn visitsEarly ED returnsInitial ED dischargeCases of patientsReturn visit rateLarge health information exchangeIndividual emergency departmentsPatient safety effortsED dischargeED visitsEarly returnVisit ratesPatient encountersStudy periodPatient dataVisitsNew York metropolitan areaSafety effortsDepartmentHoursPatients
2013
Transforming Emergency Care For Older Adults
Hwang U, Shah MN, Han JH, Carpenter CR, Siu AL, Adams JG. Transforming Emergency Care For Older Adults. Health Affairs 2013, 32: 2116-2121. PMID: 24301394, PMCID: PMC4070367, DOI: 10.1377/hlthaff.2013.0670.Peer-Reviewed Original ResearchConceptsEmergency departmentEmergency careHealth care systemOlder adultsCare systemComprehensive discharge planningUS emergency departmentsPatient health outcomesGeriatric emergency careGeriatric Emergency DepartmentBroader health care systemED visitsInitial hospitalizationDischarge planningCare coordinationHealth outcomesObservation unitCareAdultsLengthy evaluationRehospitalizationHospitalizationPatientsVisits
2011
Variations in Crowding and Ambulance Diversion in Nine Emergency Departments
Handel DA, Pines J, Aronsky D, Genes N, Ginde AA, Hackman J, Hilton JA, Hwang U, Kamali M, Powell E, Sattarian M, Fu R. Variations in Crowding and Ambulance Diversion in Nine Emergency Departments. Academic Emergency Medicine 2011, 18: 941-946. PMID: 21906203, DOI: 10.1111/j.1553-2712.2011.01149.x.Peer-Reviewed Original ResearchConceptsEmergency departmentED bedsAmbulance diversionED visitsOverall mean LOSAnnual ED censusPrimary outcome variablePrimary study aimPrimary predictor variableDaily ED visitsPercentage of daysMean LOSAcute treatmentMulticenter studyED censusSurrogate markerED crowdingStudy aimMean differenceOutcome variablesDichotomous variablesTotal numberVisitsDaysDiversion
2001
Access to Care A Review of the Emergency Medicine Literature
Richardson L, Hwang U. Access to Care A Review of the Emergency Medicine Literature. Academic Emergency Medicine 2001, 8: 1030-1036. PMID: 11691664, DOI: 10.1111/j.1553-2712.2001.tb01111.x.Peer-Reviewed Original Research