2023
Developing Validated Tools to Identify Pulmonary Embolism in Electronic Databases: Rationale and Design of the PE-EHR+ Study
Bikdeli B, Lo Y, Khairani C, Bejjani A, Jimenez D, Barco S, Mahajan S, Caraballo C, Secemsky E, Klok F, Hunsaker A, Aghayev A, Muriel A, Wang Y, Hussain M, Appah-Sampong A, Lu Y, Lin Z, Aneja S, Khera R, Goldhaber S, Zhou L, Monreal M, Krumholz H, Piazza G. Developing Validated Tools to Identify Pulmonary Embolism in Electronic Databases: Rationale and Design of the PE-EHR+ Study. Thrombosis And Haemostasis 2023, 123: 649-662. PMID: 36809777, PMCID: PMC11200175, DOI: 10.1055/a-2039-3222.Peer-Reviewed Original ResearchConceptsElectronic health recordsNLP algorithmNatural language processing toolsLanguage processing toolsPrincipal discharge diagnosisICD-10 codesDischarge diagnosisNLP toolsChart reviewHealth systemProcessing toolsYale New Haven Health SystemPatient identificationElectronic databasesHealth recordsData validationHigh-risk PEPulmonary Embolism ResearchSecondary discharge diagnosisIdentification of patientsManual chart reviewNegative predictive valueCodeRadiology reportsAlgorithm
2021
Assessing Performance of Machine Learning—Reply
Khera R, Mortazavi BJ, Krumholz HM. Assessing Performance of Machine Learning—Reply. JAMA Cardiology 2021, 6: 1466-1466. PMID: 34586344, DOI: 10.1001/jamacardio.2021.3715.Peer-Reviewed Original ResearchElectronic health record risk score provides earlier prognostication of clinical outcomes in patients admitted to the cardiac intensive care unit
Kunitomo Y, Thomas A, Chouairi F, Canavan ME, Kochar A, Khera R, Katz JN, Murphy C, Jentzer J, Ahmad T, Desai NR, Brennan J, Miller PE. Electronic health record risk score provides earlier prognostication of clinical outcomes in patients admitted to the cardiac intensive care unit. American Heart Journal 2021, 238: 85-88. PMID: 33891906, DOI: 10.1016/j.ahj.2021.04.004.Peer-Reviewed Original ResearchConceptsCardiac intensive care unitIntensive care unitRothman IndexCare unitRisk scoreModern cardiac intensive care unitSequential Organ Failure Assessment scoreOrgan Failure Assessment scoreElectronic health recordsCICU mortalityCICU patientsSOFA scoreCICU admissionClinical outcomesEarly prognosticationObservational studyPrognostic abilityAssessment scoresOutcome predictionHealth recordsGood calibrationSuperior discriminationPatientsAdmissionScores
2018
Usefulness of a Simple Algorithm to Identify Hypertensive Patients Who Benefit from Intensive Blood Pressure Lowering
Wang S, Khera R, Das SR, Vigen R, Wang T, Luo X, Lu R, Zhan X, Xiao G, Vongpatanasin W, Xie Y. Usefulness of a Simple Algorithm to Identify Hypertensive Patients Who Benefit from Intensive Blood Pressure Lowering. The American Journal Of Cardiology 2018, 122: 248-254. PMID: 29880288, DOI: 10.1016/j.amjcard.2018.03.361.Peer-Reviewed Original ResearchConceptsSystolic Blood Pressure Intervention TrialIntensive BP loweringUrinary albumin-creatinine ratioFavorable risk-benefit profileAlbumin-creatinine ratioBP loweringRisk-benefit profileHypertensive patientsBlood pressureMajor adverse cardiovascular event ratesAdverse cardiovascular event ratesIntensive blood pressure loweringMajor adverse cardiovascular eventsRemaining low-risk patientsSimple risk prediction modelIntensive blood pressureStandard BP loweringAdverse cardiovascular eventsBlood pressure loweringSerious adverse eventsCardiovascular event ratesLarge randomized trialsLow-risk patientsSubset of patientsCardiovascular disease risk