Alexander Janke, MD
Visiting Research ScientistDownloadHi-Res Photo
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Titles
Visiting Research Scientist
Education & Training
- MD
- Wayne State University School of Medicine (2017)
- BS
- University of Michigan, Economics (2012)
Research
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Overview
Medical Research Interests
Health Care Economics and Organizations; Health Care Quality, Access, and Evaluation; Health Services Administration; Informatics; Systems Analysis
ORCID
0000-0003-1181-714X
Research at a Glance
Yale Co-Authors
Frequent collaborators of Alexander Janke's published research.
Arjun Venkatesh, MD, MBA, MHS
Craig Rothenberg
Cameron Gettel, MD, MHS
Andrew Taylor, MD, MHS
Rohit Sangal, MD, MBA, FACEP
Ryan Koski-Vacirca, MD, MPH
Publications
2025
Managing Clinical Uncertainty: Formalizing Management Reasoning in Emergency Care Delivery
Haimovich A, Janke A, Kocher K, Mangus C, Parsons A, McCoy L, Taylor R, Rodman A, Pusic M. Managing Clinical Uncertainty: Formalizing Management Reasoning in Emergency Care Delivery. Annals Of Emergency Medicine 2025 PMID: 41071138, DOI: 10.1016/j.annemergmed.2025.09.007.Peer-Reviewed Original ResearchCitationsAltmetricConceptsEmergency carePatient-centered emergency careEmergency care deliveryEmergency department careCare deliveryMeasures of qualityAssessment skillsClinical careTest orderingDiagnostic reasoningPatient preferencesClinical uncertaintyCareClinician judgmentClinical practiceComplementary cognitive processesContext-sensitive processManagement reasonsHigh-qualityCognitive processesInterventionEmergencyTherapeutic interventionsFlorida’s “Live Healthy” Legislation
Lee T, Wegman M, Venkatesh A, Koski-Vacirca R, Panthagani K, Rothenberg C, Janke A, Hwang U, Gettel C. Florida’s “Live Healthy” Legislation. Medical Care 2025, 64: 1-3. PMID: 41026886, DOI: 10.1097/mlr.0000000000002225.Peer-Reviewed Original ResearchPediatric Bed Capacity, Bed Strain, and Load Imbalance During the 2022 Respiratory Viral Season
Ijaz N, Radu C, Rothenberg C, Janke A, Venkatesh A. Pediatric Bed Capacity, Bed Strain, and Load Imbalance During the 2022 Respiratory Viral Season. JAMA Network Open 2025, 8: e2533943. PMID: 41004148, PMCID: PMC12475943, DOI: 10.1001/jamanetworkopen.2025.33943.Peer-Reviewed Original ResearchCitationsAltmetricMeSH Keywords and ConceptsConceptsHospital referral regionsAcute care bedsCross-sectional analysisPediatric bedsCare bedsBed capacityAmerican Hospital Association survey dataDepartment of HealthBed strainHuman services dataUS Department of HealthUS DepartmentReferral regionsMain OutcomesAssociated with declinesInclusion criteriaService dataBed occupancyLongitudinal analysisHospitalStudy periodViral surgeConsecutive weeksSurvey dataAssociationEmergency Physician Employer Market Share and Concentration by Ownership Type
Cai A, Jarou Z, Janke A, Gettel C, Rothenberg C, Adelman L, Simpson M, Fisher J, Venkatesh A. Emergency Physician Employer Market Share and Concentration by Ownership Type. Annals Of Emergency Medicine 2025, 87: 50-55. PMID: 40758080, DOI: 10.1016/j.annemergmed.2025.06.610.Peer-Reviewed Original ResearchAltmetricConceptsED visitsEmergency departmentNational Emergency Department InventoryHospital-based EDsEmergency physician workforceHospital referral regionsMarket shareOwnership categoriesPhysician workforcePrivate equityVisit volumeNational PartnershipReferral regionsMarket concentrationAnnual visitsRegional partnershipsSecondary outcomesPrimary outcomePhysician marketsPhysician ownershipPartnership staffPrivate equity groupsVisitsHealthOwnership structureEmergency department visits among rural and urban older adults: disparities in ambulatory and emergency care sensitive conditions
Gettel C, Kitchen C, Rothenberg C, Song Y, Koski-Vacirca R, Schaffer K, Janke A, Mohr N, Greenwood-Ericksen M, Venkatesh A. Emergency department visits among rural and urban older adults: disparities in ambulatory and emergency care sensitive conditions. BMC Health Services Research 2025, 25: 975. PMID: 40707938, PMCID: PMC12291402, DOI: 10.1186/s12913-025-13161-2.Peer-Reviewed Original ResearchCitationsMeSH Keywords and ConceptsConceptsEmergency care-sensitive conditionsAmbulatory care sensitive conditionsACSC-related ED visitsED visit ratesED visitsSensitive conditionsED utilizationRural beneficiariesMedicare beneficiariesOlder adultsHigher oddsEmergency departmentMedicare Current Beneficiary Survey dataUrban Medicare beneficiariesUrban older adultsEmergency department visitsVisit ratesPolicy-based interventionsCross-sectional analysisLogistic regression modelsBackgroundOlder adultsHealthcare accessHealth characteristicsOutpatient careUrban counterpartsShort-Stay Hospitalizations and Hospital Capacity Constraints
Janke A, Sun W, Gibson C, Rothenberg C, Lin S, Tuffuor K, Dilip M, Buchla A, Kocher K, Sangal R, Venkatesh A. Short-Stay Hospitalizations and Hospital Capacity Constraints. Annals Of Emergency Medicine 2025, 86: 225-231. PMID: 40220007, DOI: 10.1016/j.annemergmed.2025.03.012.Peer-Reviewed Original ResearchCitationsAltmetricConceptsHospital boardsCapacity constraintsShort-stay hospitalsEmergency departmentED hospitalizationsShort stayCross-sectional analysis of hospitalizationsUS emergency departmentsBoardHospital-based observationRetrospective cross-sectional analysisHospital capacity constraintsAnalysis of hospitalizationsHospital careED visitsED dispositionHospitalUnderstanding and Addressing the US Hospital Bed Shortage—Build, Baby, Build
Janke A, Venkatesh A. Understanding and Addressing the US Hospital Bed Shortage—Build, Baby, Build. JAMA Network Open 2025, 8: e2460652. PMID: 39969886, DOI: 10.1001/jamanetworkopen.2024.60652.Peer-Reviewed Original ResearchCitationsAltmetric
2024
Leveraging artificial intelligence to reduce diagnostic errors in emergency medicine: Challenges, opportunities, and future directions
Taylor R, Sangal R, Smith M, Haimovich A, Rodman A, Iscoe M, Pavuluri S, Rose C, Janke A, Wright D, Socrates V, Declan A. Leveraging artificial intelligence to reduce diagnostic errors in emergency medicine: Challenges, opportunities, and future directions. Academic Emergency Medicine 2024, 32: 327-339. PMID: 39676165, PMCID: PMC11921089, DOI: 10.1111/acem.15066.Peer-Reviewed Original ResearchCitationsAltmetricConceptsClinical decision supportEmergency departmentArtificial intelligencePatient safetyDiagnostic errorsImplementing AIImprove patient safetyClinical decision support systemsEnhance patient outcomesReducing diagnostic errorsLeverage artificial intelligenceEmergency medicineHealth careTargeted educationReduce cognitive loadQuality improvementEmergency cliniciansData retrievalReal-time insightsDecision supportPatient outcomesCognitive overloadInformation-gathering processPatient detailsClinicians8 Market Share of Emergency Department Annual Visits by Physician Employer Group Ownership Type
Cai A, Jarou Z, Janke A, Gettel C, Rothenberg C, Adelman L, Simpson M, Fisher J, Venkatesh A. 8 Market Share of Emergency Department Annual Visits by Physician Employer Group Ownership Type. Annals Of Emergency Medicine 2024, 84: s4. DOI: 10.1016/j.annemergmed.2024.08.017.Peer-Reviewed Original ResearchReliability of a Measure of Admission Intensity for Emergency Physicians
Janke A, Oskvarek J, Zocchi M, Cai A, Litvak O, Pines J, Venkatesh A. Reliability of a Measure of Admission Intensity for Emergency Physicians. Annals Of Emergency Medicine 2024, 84: 295-304. PMID: 38430082, DOI: 10.1016/j.annemergmed.2024.02.002.Peer-Reviewed Original ResearchCitationsAltmetricConceptsED admission ratesIntraclass correlation coefficientAdmission ratesEmergency departmentAverage admission rateMeasures of emergency departmentValue-based care programsInternational Classification of DiseasesClassification of diseasesLinear probability modelsMultilevel linear probability modelsCare programED visitsInternational ClassificationEmergency physiciansDiagnosis codesCorrelation coefficientPhysiciansIdentifying high-Reduce variationIntraclassStandard deviationAdmissionClinical conditionsAssess stability
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