2024
StrokeClassifier: ischemic stroke etiology classification by ensemble consensus modeling using electronic health records
Lee H, Schwamm L, Sansing L, Kamel H, de Havenon A, Turner A, Sheth K, Krishnaswamy S, Brandt C, Zhao H, Krumholz H, Sharma R. StrokeClassifier: ischemic stroke etiology classification by ensemble consensus modeling using electronic health records. Npj Digital Medicine 2024, 7: 130. PMID: 38760474, PMCID: PMC11101464, DOI: 10.1038/s41746-024-01120-w.Peer-Reviewed Original ResearchElectronic health recordsWeighted F1MIMIC-IIIClinical decision support systemsMulti-class classificationNatural language processingMIMIC-III datasetHealth recordsMachine learning classifiersDecision support systemArtificial intelligence toolsVascular neurologistsLearning classifiersBinary classificationCross-validation accuracyLanguage processingMeta-modelIntelligence toolsStroke prevention effortsAcute ischemic strokeStroke etiologySupport systemStroke etiology classificationClassification toolClassifierBurden of Neurologic Health Care and Incident Neurologic Diagnoses in the Year After COVID-19 or Influenza Hospitalization.
de Havenon A, Callaghan B, Xu Y, Connor M, Hill C, Ney J, Esper G. Burden of Neurologic Health Care and Incident Neurologic Diagnoses in the Year After COVID-19 or Influenza Hospitalization. Neurology 2024, 102: e209248. PMID: 38507675, PMCID: PMC11383855, DOI: 10.1212/wnl.0000000000209248.Peer-Reviewed Original ResearchConceptsHealth care encountersNeurological diagnosisCare encountersHealth careCollection of electronic health recordsHospital-based careHealth Research NetworkElectronic health recordsEmergency department visitsCohort of adultsYears of follow-upGlobal health research networkPatient-level dataElixhauser comorbidity scorePropensity score matchingHealth recordsMovement disordersDepartment visitsEMR dataPatient's residenceMarital statusAnalysis of patient-level dataNearest neighbor propensity score matchingIncident eventsHazard ratio
2023
Higher Hospital Frailty Risk Score Is Associated With Increased Risk of Stroke: Observational and Genetic Analyses
Renedo D, Acosta J, Koo A, Rivier C, Sujijantarat N, de Havenon A, Sharma R, Gill T, Sheth K, Falcone G, Matouk C. Higher Hospital Frailty Risk Score Is Associated With Increased Risk of Stroke: Observational and Genetic Analyses. Stroke 2023, 54: 1538-1547. PMID: 37216451, PMCID: PMC10212531, DOI: 10.1161/strokeaha.122.041891.Peer-Reviewed Original ResearchConceptsHospital Frailty Risk ScoreRisk of strokeHighest Hospital Frailty Risk ScoresDate of consentFrailty Risk ScoreMendelian randomization analysisStroke riskRisk scoreRandomization analysisTime of enrollmentAvailable electronic health recordsMendelian randomizationElectronic health recordsLook-back periodIncident strokeDose-response wayFrailty statusHemorrhagic strokeMultivariable analysisStroke eventsObservational studyHigh riskFrailtySignificant associationSimilar association