Featured Publications
Trends in Racial and Ethnic Disparities in Barriers to Timely Medical Care Among Adults in the US, 1999 to 2018
Caraballo C, Ndumele CD, Roy B, Lu Y, Riley C, Herrin J, Krumholz HM. Trends in Racial and Ethnic Disparities in Barriers to Timely Medical Care Among Adults in the US, 1999 to 2018. JAMA Health Forum 2022, 3: e223856. PMID: 36306118, PMCID: PMC9617175, DOI: 10.1001/jamahealthforum.2022.3856.Peer-Reviewed Original ResearchMeSH KeywordsAdultBlack PeopleCohort StudiesCross-Sectional StudiesEthnicityFemaleHispanic or LatinoHumansMaleMiddle AgedConceptsTimely medical careSerial cross-sectional studyNational Health Interview SurveyCross-sectional studyHealth Interview SurveyMedical careLack of transportationEthnic disparitiesHispanics/LatinosWhite individualsEthnicity groupsInterview SurveyCost of careSelf-reported raceStudy cohortClinic hoursMAIN OUTCOMEMedical officesCarePrevalenceLatino individualsBlack individualsSignificant differencesSignificant increasePopulation groupsComparative Effectiveness of Machine Learning Approaches for Predicting Gastrointestinal Bleeds in Patients Receiving Antithrombotic Treatment
Herrin J, Abraham NS, Yao X, Noseworthy PA, Inselman J, Shah ND, Ngufor C. Comparative Effectiveness of Machine Learning Approaches for Predicting Gastrointestinal Bleeds in Patients Receiving Antithrombotic Treatment. JAMA Network Open 2021, 4: e2110703. PMID: 34019087, PMCID: PMC8140376, DOI: 10.1001/jamanetworkopen.2021.10703.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAgedAged, 80 and overAnticoagulantsAntifibrinolytic AgentsAtrial FibrillationClinical Decision-MakingCohort StudiesCross-Sectional StudiesFemaleFibrinolytic AgentsGastrointestinal HemorrhageHumansMachine LearningMaleMiddle AgedMyocardial IschemiaPredictive Value of TestsRetrospective StudiesRisk AssessmentThienopyridinesUnited StatesVenous ThromboembolismYoung AdultConceptsGastrointestinal bleedingIschemic heart diseaseCross-sectional studyThienopyridine antiplatelet agentAntithrombotic treatmentVenous thromboembolismAntiplatelet agentsRandom survival forestStudy cohortAtrial fibrillationValidation cohortHeart diseaseHAS-BLED risk scoreRetrospective cross-sectional studyCox proportional hazards regressionHAS-BLED scorePrior GI bleedPatients 18 yearsCohort of patientsEntire study cohortProportional hazards regressionOptumLabs Data WarehouseMedicare Advantage enrolleesPositive predictive valueRisk prediction model
2022
Factors Associated With Disparities in Hospital Readmission Rates Among US Adults Dually Eligible for Medicare and Medicaid
Silvestri D, Goutos D, Lloren A, Zhou S, Zhou G, Farietta T, Charania S, Herrin J, Peltz A, Lin Z, Bernheim S. Factors Associated With Disparities in Hospital Readmission Rates Among US Adults Dually Eligible for Medicare and Medicaid. JAMA Health Forum 2022, 3: e214611. PMID: 35977231, PMCID: PMC8903116, DOI: 10.1001/jamahealthforum.2021.4611.Peer-Reviewed Original ResearchConceptsAcute myocardial infarctionNon-DE patientsCommunity-level factorsHospital disparitiesHeart failureDE patientsReadmission ratesCohort studyUS hospitalsRisk-adjusted readmission ratesRetrospective cohort studyHospital readmission ratesLow-income older adultsHospital quality improvementEligible patientsHospital readmissionMedicaid eligibility policyCare transitionsMyocardial infarctionState Medicaid policiesWorse outcomesMedicare patientsMAIN OUTCOMEUS adultsPneumonia
2021
Real-world Cardiovascular Outcomes Associated With Degarelix vs Leuprolide for Prostate Cancer Treatment
Wallach JD, Deng Y, McCoy RG, Dhruva SS, Herrin J, Berkowitz A, Polley EC, Quinto K, Gandotra C, Crown W, Noseworthy P, Yao X, Shah ND, Ross JS, Lyon TD. Real-world Cardiovascular Outcomes Associated With Degarelix vs Leuprolide for Prostate Cancer Treatment. JAMA Network Open 2021, 4: e2130587. PMID: 34677594, PMCID: PMC8536955, DOI: 10.1001/jamanetworkopen.2021.30587.Peer-Reviewed Original ResearchConceptsMajor adverse cardiovascular eventsSecondary end pointsMyocardial infarctionClinical trialsCardiovascular diseaseProstate cancerCardiovascular eventsEnd pointRisk of MACELarge US administrative claims databasePropensity-matched cohort studyUS administrative claims databasePropensity score-matched patientsAdverse cardiovascular eventsPrimary end pointAdministrative claims databaseProportional hazards regressionRandomized clinical trialsAdministrative claims dataTrial eligibility criteriaMedicare Advantage beneficiariesProstate cancer treatmentReal-world evidenceElectronic health recordsCardiovascular outcomes
2020
Association of Survival With Adjuvant Chemotherapy Among Patients With Early-Stage Non–Small Cell Lung Cancer With vs Without High-Risk Clinicopathologic Features
Pathak R, Goldberg SB, Canavan M, Herrin J, Hoag JR, Salazar MC, Papageorge M, Ermer T, Boffa DJ. Association of Survival With Adjuvant Chemotherapy Among Patients With Early-Stage Non–Small Cell Lung Cancer With vs Without High-Risk Clinicopathologic Features. JAMA Oncology 2020, 6: 1741-1750. PMID: 32940636, PMCID: PMC7499246, DOI: 10.1001/jamaoncol.2020.4232.Peer-Reviewed Original ResearchConceptsNode-negative non-small cell lung cancerHigh-risk pathologic featuresNon-small cell lung cancerAdjuvant chemotherapyCell lung cancerPathologic featuresTumor sizeSurvival benefitCohort studyLung cancerNode-negative NSCLCEarly-stage non-small cell lung cancerCox proportional hazards regression modelHigh-risk clinicopathologic featuresProportional hazards regression modelsNational Cancer DatabaseRetrospective cohort studyTreatment-naive patientsAdjuvant chemotherapy useHigh-risk featuresAssociation of survivalHazards regression modelsImmortal time biasChemotherapy useEligible patientsFewer gastrointestinal bleeds with ticagrelor and prasugrel compared with clopidogrel in patients with acute coronary syndrome following percutaneous coronary intervention
Abraham NS, Yang EH, Noseworthy PA, Inselman J, Yao X, Herrin J, Sangaralingham LR, Ngufor C, Shah ND. Fewer gastrointestinal bleeds with ticagrelor and prasugrel compared with clopidogrel in patients with acute coronary syndrome following percutaneous coronary intervention. Alimentary Pharmacology & Therapeutics 2020, 52: 646-654. PMID: 32657466, PMCID: PMC8183594, DOI: 10.1111/apt.15790.Peer-Reviewed Original ResearchMeSH KeywordsAcute Coronary SyndromeAgedClopidogrelCohort StudiesFemaleGastrointestinal HemorrhageHumansMaleMiddle AgedPercutaneous Coronary InterventionPlatelet Aggregation InhibitorsPostoperative ComplicationsPrasugrel HydrochlorideRetrospective StudiesThromboembolismTicagrelorTreatment OutcomeUnited StatesConceptsPercutaneous coronary interventionAcute coronary syndromeGIB ratesGIB riskCoronary syndromeGastrointestinal bleedingSTEMI patientsCoronary interventionHazard ratioMajor adverse cardiac eventsRisk reductionCox proportional hazards modelNSTE-ACS patientsAdverse cardiac eventsMajor bleeding eventsConfidence intervalsInverse probability treatmentProportional hazards modelMedicare Advantage enrolleesBleeding eventsClopidogrel prescriptionGIB eventsNSTE-ACSGastrointestinal bleedBaseline characteristics
2019
Peer Influence on Physician Use of Shorter Course External Beam Radiation Therapy for Patients with Breast Cancer
Yu JB, Pollack CE, Herrin J, Soulos PR, Zhu W, Xu X, Gross CP. Peer Influence on Physician Use of Shorter Course External Beam Radiation Therapy for Patients with Breast Cancer. Practical Radiation Oncology 2019, 10: 75-83. PMID: 31785370, PMCID: PMC7061062, DOI: 10.1016/j.prro.2019.11.001.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overBrachytherapyBreast NeoplasmsCohort StudiesFemaleHumansPeer InfluencePhysiciansConceptsAdjuvant external beam radiation therapyExternal beam radiation therapyPhysician peer groupsPalliative external beam radiation therapyBeam radiation therapyBreast cancerAdjuvant therapyBone metastasesPatient receiptRadiation therapyBreast-conserving surgeryMixed-effects logistic regressionPatient-sharing relationshipsPalliative therapyCancer careMedicare beneficiariesPatientsPhysician useTherapyLogistic regressionShort courseCancerPhysiciansGroup rateMetastasisAssociation of Racial Bias With Burnout Among Resident Physicians
Dyrbye L, Herrin J, West CP, Wittlin NM, Dovidio JF, Hardeman R, Burke SE, Phelan S, Onyeador IN, Cunningham B, van Ryn M. Association of Racial Bias With Burnout Among Resident Physicians. JAMA Network Open 2019, 2: e197457. PMID: 31348503, PMCID: PMC6661712, DOI: 10.1001/jamanetworkopen.2019.7457.Peer-Reviewed Original ResearchConceptsSymptoms of burnoutResident physiciansFT scoreRacial disparitiesDose-response associationHealth careDirect patient interactionResident physician trainingCohort studyBlack patientsMultivariable analysisPhysician respondentsHigh prevalenceMAIN OUTCOMEWhite raceMedical careBurnout itemsSymptomsPhysiciansPatient interactionsMaslach Burnout InventoryPhysician trainingTime pointsCareScarce evidenceCardiovascular Outcomes in the Wake of Financial Uncertainty
Spatz ES, Herrin J. Cardiovascular Outcomes in the Wake of Financial Uncertainty. Circulation 2019, 139: 860-862. PMID: 30742534, DOI: 10.1161/circulationaha.118.038375.Commentaries, Editorials and Letters
2018
Recurrent hospitalizations for severe hypoglycemia and hyperglycemia among U.S. adults with diabetes
McCoy RG, Herrin J, Lipska KJ, Shah ND. Recurrent hospitalizations for severe hypoglycemia and hyperglycemia among U.S. adults with diabetes. Journal Of Diabetes And Its Complications 2018, 32: 693-701. PMID: 29751961, PMCID: PMC6015781, DOI: 10.1016/j.jdiacomp.2018.04.007.Peer-Reviewed Original ResearchConceptsRecurrent hyperglycemiaRecurrent hypoglycemiaNew glucose-lowering medicationsPost-discharge managementGlucose-lowering medicationsHigh-risk patientsOptumLabs Data WarehouseHypoglycemia hospitalizationIndex dischargeOlder patientsRisk patientsUnrelated causesSevere hypoglycemiaRecurrent hospitalizationsNational cohortEarly recognitionPrincipal diagnosisRisk factorsRetrospective analysisHyperglycemiaHypoglycemiaPatientsReadmissionU.S. adultsHospitalization
2017
Regional Medicare Expenditures and Survival Among Older Women With Localized Breast Cancer
Tannenbaum S, Soulos PR, Herrin J, Mougalian S, Long JB, Wang R, Ma X, Gross CP, Xu X. Regional Medicare Expenditures and Survival Among Older Women With Localized Breast Cancer. Medical Care 2017, 55: 1030-1038. PMID: 29068906, PMCID: PMC5863278, DOI: 10.1097/mlr.0000000000000822.Peer-Reviewed Original ResearchConceptsBreast cancer careHospital referral regionsNonmetastatic breast cancerBreast cancerCancer careMedicare beneficiariesMedicare expendituresCancer expendituresBetter survivalEnd Results-MedicareRetrospective cohort studyPatients 3 yearsClinical characteristicsCohort studyOverall survivalCancer stagePatient outcomesOutcome measuresReferral regionsOlder womenSignificant associationStage IIBivariate analysisCancerQuintile
2013
Variation in Receipt of Radiation Therapy After Breast-conserving Surgery
Feinstein AJ, Soulos PR, Long JB, Herrin J, Roberts KB, Yu JB, Gross CP. Variation in Receipt of Radiation Therapy After Breast-conserving Surgery. Medical Care 2013, 51: 330-338. PMID: 23151590, PMCID: PMC3596448, DOI: 10.1097/mlr.0b013e31827631b0.Peer-Reviewed Original ResearchConceptsUse of RTShort life expectancyRadiation therapyBreast cancerLife expectancyPrimary surgeonStage I breast cancerEarly-stage breast cancerRadiation oncologist densityAdjuvant radiation therapyI breast cancerReceipt of radiationBreast-conserving surgeryImpact of physiciansHierarchical logistic regression modelsLogistic regression modelsLonger life expectancyLE patientsRetrospective cohortLE groupOlder womenPatientsTreatment ratesWomenCancerAssociation between physicians’ experience after training and maternal obstetrical outcomes: cohort study
Epstein AJ, Srinivas SK, Nicholson S, Herrin J, Asch DA. Association between physicians’ experience after training and maternal obstetrical outcomes: cohort study. The BMJ 2013, 346: f1596. PMID: 23538919, PMCID: PMC3610558, DOI: 10.1136/bmj.f1596.Peer-Reviewed Original ResearchConceptsMaternal complication ratesMaternal complicationsComplication rateRetrospective cohort analysisAcute care hospitalsObstetrical outcomesCesarean deliveryCohort studyCare hospitalVaginal deliveryCesarean birthCompletion of residencyCohort analysisPhysician yearsMAIN OUTCOMEThird decadePost-residency practiceComplicationsObstetriciansMore yearsSecular trendsComposite measurePercentage pointsAssociationSecond decade
2010
National quality campaigns: who benefits?
Hansen LO, Herrin J, Nembhard IM, Busch S, Yuan CT, Krumholz HM, Bradley EH. National quality campaigns: who benefits? BMJ Quality & Safety 2010, 19: 275. PMID: 20538628, DOI: 10.1136/qshc.2009.036087.Peer-Reviewed Original Research
2007
Impact of Delay in Door-to-Needle Time on Mortality in Patients With ST-Segment Elevation Myocardial Infarction
McNamara RL, Herrin J, Wang Y, Curtis JP, Bradley EH, Magid DJ, Rathore SS, Nallamothu BK, Peterson ED, Blaney ME, Frederick P, Krumholz HM. Impact of Delay in Door-to-Needle Time on Mortality in Patients With ST-Segment Elevation Myocardial Infarction. The American Journal Of Cardiology 2007, 100: 1227-1232. PMID: 17920362, PMCID: PMC2715362, DOI: 10.1016/j.amjcard.2007.05.043.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overArrhythmias, CardiacCaliforniaCohort StudiesEmergency Service, HospitalEmergency TreatmentFemaleFibrinolytic AgentsHospital MortalityHumansMaleMedical RecordsMyocardial InfarctionOutcome Assessment, Health CareRegistriesRetrospective StudiesThrombolytic TherapyTime and Motion StudiesTime FactorsConceptsST-segment elevation myocardial infarctionElevation myocardial infarctionNeedle timeFibrinolytic therapyMyocardial infarctionHospital mortalitySymptom onsetOdds ratioReperfusion strategyAdjunctive medicationsHospital arrivalShorter doorTimely administrationNational registryRepresentative cohortPatientsMortalityInfarctionTherapyIndependent effectsCohortMinutesSmaller centersOnsetImpact of delay
2006
Effect of Door-to-Balloon Time on Mortality in Patients With ST-Segment Elevation Myocardial Infarction
McNamara RL, Wang Y, Herrin J, Curtis JP, Bradley EH, Magid DJ, Peterson ED, Blaney M, Frederick PD, Krumholz HM, Investigators N. Effect of Door-to-Balloon Time on Mortality in Patients With ST-Segment Elevation Myocardial Infarction. Journal Of The American College Of Cardiology 2006, 47: 2180-2186. PMID: 16750682, DOI: 10.1016/j.jacc.2005.12.072.Peer-Reviewed Original ResearchConceptsPrimary percutaneous coronary interventionST-segment elevation myocardial infarctionBalloon timeElevation myocardial infarctionSymptom onsetMyocardial infarctionHospital mortalityPatient characteristicsDoor timeEffect of doorPrimary PCIBaseline risk statusPercutaneous coronary interventionHigh-risk factorsSTEMI patientsCohort studyCoronary interventionLonger doorEntire cohortSubgroup analysisNational registryBaseline riskMortality riskPatientsMortality
2005
Times to Treatment in Transfer Patients Undergoing Primary Percutaneous Coronary Intervention in the United States
Nallamothu BK, Bates ER, Herrin J, Wang Y, Bradley EH, Krumholz HM. Times to Treatment in Transfer Patients Undergoing Primary Percutaneous Coronary Intervention in the United States. Circulation 2005, 111: 761-767. PMID: 15699253, DOI: 10.1161/01.cir.0000155258.44268.f8.Peer-Reviewed Original ResearchConceptsPrimary PCIPrimary percutaneous coronary interventionST-segment elevation myocardial infarctionPercutaneous coronary interventionBalloon timeTransfer patientsCoronary interventionInterhospital transferMyocardial infarctionTotal doorRecent clinical trialsSpecific ECG findingsMultivariable hierarchical modelsChest painHospital presentationInitial hospitalFibrinolytic therapyPCI hospitalsPrimary outcomeSymptom onsetComorbid conditionsTreatment delayECG findingsHospital characteristicsNational registrySex, quality of care, and outcomes of elderly patients hospitalized with heart failure: Findings from the National Heart Failure Project
Rathore SS, Foody JM, Wang Y, Herrin J, Masoudi FA, Havranek EP, Ordin DL, Krumholz HM. Sex, quality of care, and outcomes of elderly patients hospitalized with heart failure: Findings from the National Heart Failure Project. American Heart Journal 2005, 149: 121-128. PMID: 15660043, PMCID: PMC2790278, DOI: 10.1016/j.ahj.2004.06.008.Peer-Reviewed Original ResearchConceptsAngiotensin receptor blockersNational Heart Failure ProjectLeft ventricular systolic functionQuality of careACE inhibitor prescriptionHeart Failure ProjectService Medicare patientsHeart failureInhibitor prescriptionMedicare patientsMultivariable hierarchical logistic regression modelsLower crude ratesPrescription of angiotensinLeft ventricular dysfunctionVentricular systolic functionYear of admissionHierarchical logistic regression modelsLower mortality rateLogistic regression modelsSex differencesLow overall rateMultivariable adjustmentVentricular dysfunctionElderly patientsReceptor blockers
2004
Predictors of cardiologist care for older patients hospitalized for heart failure
Foody JM, Rathore SS, Wang Y, Herrin J, Masoudi FA, Havranek EP, Radford MJ, Krumholz HM. Predictors of cardiologist care for older patients hospitalized for heart failure. American Heart Journal 2004, 147: 66-73. PMID: 14691421, DOI: 10.1016/j.ahj.2003.07.005.Peer-Reviewed Original ResearchConceptsHeart failureSpecialty careOlder patientsMultivariable hierarchical logistic regression modelsCoronary Artery Bypass GraftingChronic obstructive pulmonary diseasePercutaneous transluminal coronary angioplastyArtery Bypass GraftingHeart failure careObstructive pulmonary diseaseTransluminal coronary angioplastyHierarchical logistic regression modelsLogistic regression modelsCardiologist careBypass GraftingHospital factorsPatient characteristicsCardiology consultCoronary angioplastyCoronary diseasePulmonary diseaseClinical presentationCardiology carePatient raceMedicare patients