2022
Emergency department utilization for substance use disorders and mental health conditions during COVID-19
Venkatesh AK, Janke AT, Kinsman J, Rothenberg C, Goyal P, Malicki C, D’Onofrio G, Taylor A, Hawk K. Emergency department utilization for substance use disorders and mental health conditions during COVID-19. PLOS ONE 2022, 17: e0262136. PMID: 35025921, PMCID: PMC8757912, DOI: 10.1371/journal.pone.0262136.Peer-Reviewed Original ResearchConceptsOpioid use disorderOverall ED visitsED visitsEmergency departmentMental health conditionsAlcohol use disorderED visitationUse disordersED utilizationHospital-based emergency departmentsHealth conditionsEmergency department utilizationPublic health surveillance toolSite of careClinical quality registryEarly pandemic periodVisit countsSubstance use disordersCOVID-19COVID-19 pandemicED visit countsDiagnosis codesOutpatient treatmentMedicines RegistryQuality registry
2017
Identification of Emergency Department Visits in Medicare Administrative Claims: Approaches and Implications
Venkatesh AK, Mei H, Kocher KE, Granovsky M, Obermeyer Z, Spatz E, Rothenberg C, Krumholz H, Lin Z. Identification of Emergency Department Visits in Medicare Administrative Claims: Approaches and Implications. Academic Emergency Medicine 2017, 24: 422-431. PMID: 27864915, PMCID: PMC5905698, DOI: 10.1111/acem.13140.Peer-Reviewed Original ResearchConceptsED visitsEmergency department visitsClaims-based definitionED visitationAdministrative claimsDepartment visitsClaims dataAdministrative claims data setsHealthcare resource utilizationMore ED visitsAcute care practiceAdministrative claims dataQuality improvement interventionsEmergency care researchMedicare administrative claimsClaims data setsED useCritical careED servicesMedicare feeMedicare dataCare practicesService beneficiariesImprovement interventionsProvider definitions