2012
Predictors of patient length of stay in 9 emergency departments
Wiler JL, Handel DA, Ginde AA, Aronsky D, Genes NG, Hackman JL, Hilton JA, Hwang U, Kamali M, Pines JM, Powell E, Sattarian M, Fu R. Predictors of patient length of stay in 9 emergency departments. The American Journal Of Emergency Medicine 2012, 30: 1860-1864. PMID: 22633732, DOI: 10.1016/j.ajem.2012.03.028.Peer-Reviewed Original ResearchConceptsOverall LOSAmbulance diversionPredictors of LOSAnnual ED censusEmergency department lengthLength of stayPercentage of increaseLog-transformed LOSDaily percentageCalendar year 2009Multicenter studyRetrospective studyAdverse outcomesEmergency departmentED censusPatient satisfactionPatient presentationPatient categoriesPatient LOSED crowdingPatient lengthPatientsDaily admissionsStaySignificant predictors
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
2008
Emergency Department Crowding and Decreased Quality of Pain Care
Hwang U, Richardson L, Livote E, Harris B, Spencer N, Morrison R. Emergency Department Crowding and Decreased Quality of Pain Care. Academic Emergency Medicine 2008, 15: 1248-1255. PMID: 18945239, PMCID: PMC2729811, DOI: 10.1111/j.1553-2712.2008.00267.x.Peer-Reviewed Original ResearchConceptsNumber of boardersPain careEmergency departmentPain assessmentED censusAnalgesic medicationTertiary care emergency departmentFinal ED diagnosisTotal ED censusRetrospective observational studyOutcomes of interestEmergency department (ED) crowdingAdult patientsChief complaintPainful conditionsCare measuresMedication administrationPatient visitsED diagnosisObservational studyED crowdingInpatient bedsPatientsMedication orderingPatient care
2006
The Effect of Emergency Department Crowding on the Management of Pain in Older Adults with Hip Fracture
Hwang U, Richardson LD, Sonuyi TO, Morrison RS. The Effect of Emergency Department Crowding on the Management of Pain in Older Adults with Hip Fracture. Journal Of The American Geriatrics Society 2006, 54: 270-275. PMID: 16460378, DOI: 10.1111/j.1532-5415.2005.00587.x.Peer-Reviewed Original ResearchConceptsPain assessmentEmergency departmentHip fractureED censusRisk factorsOlder adultsPatient-related risk factorsUnderassessment of painProspective cohort studyTertiary medical centerManagement of painTreatment of painNursing home residencePoor pain managementEmergency department (ED) crowdingAcute PhysiologyAnalgesic administrationComorbidity scoreCohort studyPain managementPain treatmentPhysiological scoreRetrospective reviewMean ageMeperidine use