Featured Publications
Comparative 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
2020
Fewer 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
Risk of Gastrointestinal Bleeding Increases With Combinations of Antithrombotic Agents and Patient Age
Abraham NS, Noseworthy PA, Inselman J, Herrin J, Yao X, Sangaralingham LR, Cornish G, Ngufor C, Shah ND. Risk of Gastrointestinal Bleeding Increases With Combinations of Antithrombotic Agents and Patient Age. Clinical Gastroenterology And Hepatology 2019, 18: 337-346.e19. PMID: 31108228, PMCID: PMC7386161, DOI: 10.1016/j.cgh.2019.05.017.Peer-Reviewed Original ResearchConceptsGastrointestinal bleedingAntiplatelet monotherapyGIB riskAntiplatelet agentsRisk of GIBCombination antithrombotic therapyDifferent antithrombotic regimensDifferent antithrombotic strategiesDrug exposure categoriesProportion of patientsNationwide claims dataMedicare Advantage enrolleesAntithrombotic regimensBleeding increasesAntithrombotic therapyAntithrombotic strategiesElderly patientsCombination regimensPatient ageCombination therapyPrimary diagnosisAntithrombotic drugsAntithrombotic agentsCardiovascular conditionsRetrospective analysis
2017
Predictors of Return Visits Among Insured Emergency Department Mental Health and Substance Abuse Patients, 2005-2013
Lee S, Herrin J, Bobo WV, Johnson R, Sangaralingham LR, Campbell RL. Predictors of Return Visits Among Insured Emergency Department Mental Health and Substance Abuse Patients, 2005-2013. Western Journal Of Emergency Medicine 2017, 18: 884-893. PMID: 28874941, PMCID: PMC5576625, DOI: 10.5811/westjem.2017.6.33850.Peer-Reviewed Original ResearchConceptsED visitsReturn visitsInpatient admissionsOptum Labs Data WarehouseMental healthChronic medical comorbiditiesContinuous insurance enrollmentFirst ED visitIndex ED visitRetrospective cohort studyAdministrative claims dataMedicare Advantage enrolleesPrior EDMedical comorbiditiesCohort studyAcute carePrimary diagnosisStudy inclusionRisk factorsInpatient utilizationClaims dataIncreased ageSubstance abusePatientsStudy period