2018
Trends and Variation in the Utilization and Diagnostic Yield of Chest Imaging for Medicare Patients With Suspected Pulmonary Embolism in the Emergency Department.
Venkatesh AK, Agha L, Abaluck J, Rothenberg C, Kabrhel C, Raja AS. Trends and Variation in the Utilization and Diagnostic Yield of Chest Imaging for Medicare Patients With Suspected Pulmonary Embolism in the Emergency Department. American Journal Of Roentgenology 2018, 210: 572-577. PMID: 29364724, DOI: 10.2214/ajr.17.18586.Peer-Reviewed Original ResearchConceptsChest CT utilizationPulmonary embolismCT utilizationEmergency departmentDiagnostic yieldMedicare beneficiariesEmergency medicine board certificationAmerican Medical Association Physician MasterfileChest CT useSample of feeHospital referral regionsAmerican Hospital Association Annual SurveyED visitsChest CTHospital characteristicsCT useAnalytic FilesMedicare patientsChest imagingProvider characteristicsReferral regionsPhysician identificationPhysician useService beneficiariesPhysician Masterfile
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