2024
Performance of contemporary cardiovascular risk stratification scores in Brazil: an evaluation in the ELSA-Brasil study
Camargos A, Barreto S, Brant L, Ribeiro A, Dhingra L, Aminorroaya A, Bittencourt M, Figueiredo R, Khera R. Performance of contemporary cardiovascular risk stratification scores in Brazil: an evaluation in the ELSA-Brasil study. Open Heart 2024, 11: e002762. PMID: 38862252, PMCID: PMC11168182, DOI: 10.1136/openhrt-2024-002762.Peer-Reviewed Original ResearchConceptsPooled Cohort EquationsELSA-BrasilRisk scoreCardiovascular diseaseCVD eventsCommunity-based cohort studyArea under the receiver operating characteristic curveCVD risk scoreELSA-Brasil studyIncident CVD eventsMiddle-income countriesAdjudicated CVD eventsCardiovascular disease riskCVD scoreCohort EquationsNational guidelinesRisk stratification scoresWhite womenAge/sex groupsCohort studyProspective cohortLMICsSex/race groupsHigher incomeRisk discrimination
2022
Performance of current risk stratification models for predicting mortality in patients with heart failure: a systematic review and meta-analysis
Siddiqi TJ, Ahmed A, Greene SJ, Shahid I, Usman MS, Oshunbade A, Alkhouli M, Hall ME, Murad MH, Khera R, Jain V, Van Spall HGC, Khan MS. Performance of current risk stratification models for predicting mortality in patients with heart failure: a systematic review and meta-analysis. European Journal Of Preventive Cardiology 2022, 29: 2027-2048. PMID: 35919956, DOI: 10.1093/eurjpc/zwac148.Peer-Reviewed Original ResearchConceptsChronic heart failureLong-term mortalityMid-term mortalityAcute HFHeart failureRisk scoreGeneric inverse variance random effects modelInverse variance random-effects modelCurrent risk stratification modelsExcellent discriminationAcute heart failureRisk stratification modelShort-term mortalityLack of headRandom-effects modelGood discriminationAHF mortalityCause mortalityC-statisticNineteen studiesPatientsMortality predictionSystematic reviewHead comparisonMortality
2021
Association of Kidney Disease With Outcomes in COVID‐19: Results From the American Heart Association COVID‐19 Cardiovascular Disease Registry
Rao A, Ranka S, Ayers C, Hendren N, Rosenblatt A, Alger HM, Rutan C, Omar W, Khera R, Gupta K, Mody P, DeFilippi C, Das SR, Hedayati SS, de Lemos JA. Association of Kidney Disease With Outcomes in COVID‐19: Results From the American Heart Association COVID‐19 Cardiovascular Disease Registry. Journal Of The American Heart Association 2021, 10: e020910. PMID: 34107743, PMCID: PMC8477855, DOI: 10.1161/jaha.121.020910.Peer-Reviewed Original ResearchConceptsAcute kidney injuryMajor adverse cardiac eventsAdverse cardiac eventsChronic kidney diseaseCardiac eventsKidney diseaseCause mortalityAmerican Heart Association COVID-19 Cardiovascular Disease RegistryCOVID-19Major adverse cardiovascular eventsEnd-stage kidney diseaseCardiovascular Disease RegistryLarge multicenter registryNonfatal heart failureSerial laboratory dataAdverse cardiovascular eventsNonfatal myocardial infarctionKey secondary outcomesCardiovascular disease outcomesPrimary exposure variableNonfatal strokeCardiogenic shockCardiovascular deathCardiovascular eventsCardiovascular outcomesElectronic 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
2020
Trends in Reoperative Coronary Artery Bypass Graft Surgery for Older Adults in the United States, 1998 to 2017
Mori M, Wang Y, Murugiah K, Khera R, Gupta A, Vallabhajosyula P, Masoudi FA, Geirsson A, Krumholz HM. Trends in Reoperative Coronary Artery Bypass Graft Surgery for Older Adults in the United States, 1998 to 2017. Journal Of The American Heart Association 2020, 9: e016980. PMID: 33045889, PMCID: PMC7763387, DOI: 10.1161/jaha.120.016980.Peer-Reviewed Original ResearchConceptsCoronary artery bypass graft surgeryFirst-time coronary artery bypass graft surgeryArtery bypass graft surgeryBypass graft surgeryGraft surgeryMedicare feeOlder adultsPatient baseline characteristicsData of adultsYear of dischargeProportion of womenService inpatientsIndex surgeryBaseline characteristicsHospital dischargeOlder patientsMedian agePrimary outcomeCox regressionService patientsUnique patientsPatientsSurgeryAnnual declineDemographic subgroupsThe Upcoming Epidemic of Heart Failure in South Asia
Martinez-Amezcua P, Haque W, Khera R, Kanaya AM, Sattar N, Lam CSP, Harikrishnan S, Shah SJ, Kandula NR, Jose PO, Narayan KMV, Agyemang C, Misra A, Jenum AK, Bilal U, Nasir K, Cainzos-Achirica M. The Upcoming Epidemic of Heart Failure in South Asia. Circulation Heart Failure 2020, 13: e007218. PMID: 32962410, DOI: 10.1161/circheartfailure.120.007218.Peer-Reviewed Original ResearchConceptsType 2 diabetes mellitusHeart failureCoronary heart diseaseHeart diseaseHF epidemicDiabetes mellitusEarly type 2 diabetes mellitusLifestyle-related risk factorsPrognosis of HFPremature coronary heart diseasePremature heart failurePrevalent heart failureRheumatic heart diseaseSouth AsiansAbdominal obesityGeneral obesitySouth Asian populationRisk factorsDramatic healthGlobal burdenRecent studiesUrgent interventionUnderrecognized threatTobacco productsUpcoming epidemic
2019
Machine Learning Prediction of Mortality and Hospitalization in Heart Failure With Preserved Ejection Fraction
Angraal S, Mortazavi BJ, Gupta A, Khera R, Ahmad T, Desai NR, Jacoby DL, Masoudi FA, Spertus JA, Krumholz HM. Machine Learning Prediction of Mortality and Hospitalization in Heart Failure With Preserved Ejection Fraction. JACC Heart Failure 2019, 8: 12-21. PMID: 31606361, DOI: 10.1016/j.jchf.2019.06.013.Peer-Reviewed Original ResearchConceptsHF hospitalizationRisk of mortalityEjection fractionBlood urea nitrogen levelsLogistic regressionPrevious HF hospitalizationHeart failure hospitalizationReduced ejection fractionReceiver-operating characteristic curveRisk of deathBody mass indexBlood urea nitrogenUrea nitrogen levelsHealth status dataMean c-statisticKCCQ scoresTOPCAT trialFailure hospitalizationHeart failureHemoglobin levelsMass indexC-statisticHospitalizationUrea nitrogenMortalityDiagnostic and prognostic utility of cardiac troponin in post-cardiac arrest care
Agusala V, Khera R, Cheeran D, Mody P, Reddy PP, Link MS. Diagnostic and prognostic utility of cardiac troponin in post-cardiac arrest care. Resuscitation 2019, 141: 69-72. PMID: 31201884, DOI: 10.1016/j.resuscitation.2019.06.004.Peer-Reviewed Original ResearchConceptsLeft ventricular systolic dysfunctionIschemic etiologyInitial cTnTPeak cTnTCardiac troponinPost-cardiac arrest settingRetrospective single-center registryPost-cardiac arrest careVentricular systolic dysfunctionSingle-center registryTroponin T testingSystolic dysfunctionCenter registryConsecutive patientsSpontaneous circulationArrest carePrognostic utilityCardiac arrestMean agePatient outcomesExpert adjudicationEtiologyCTnTDiagnostic testsT-testingEffect of Neutropenic Diet on Infection Rates in Cancer Patients With Neutropenia
Ball S, Brown TJ, Das A, Khera R, Khanna S, Gupta A. Effect of Neutropenic Diet on Infection Rates in Cancer Patients With Neutropenia. American Journal Of Clinical Oncology 2019, 42: 270-274. PMID: 30628912, DOI: 10.1097/coc.0000000000000514.Peer-Reviewed Original ResearchConceptsRate of infectionUnrestricted diet groupNeutropenic dietAcute lymphoblastic leukemiaCancer patientsAcute myeloid leukemiaDiet groupInfection rateUnrestricted dietNeutropenic cancer patientsPrimary outcome measureLower patient satisfactionRisk of infectionRandom-effects modelingComprehensive database searchDatabase inceptionLymphoblastic leukemiaPatient satisfactionRestrictive dietsMyeloid leukemiaRelative riskSTUDY SELECTIONOutcome measuresPRISMA guidelinesPatients
2017
Contemporary Epidemiology of Heart Failure in Fee-For-Service Medicare Beneficiaries Across Healthcare Settings
Khera R, Pandey A, Ayers CR, Agusala V, Pruitt SL, Halm EA, Drazner MH, Das SR, de Lemos JA, Berry JD. Contemporary Epidemiology of Heart Failure in Fee-For-Service Medicare Beneficiaries Across Healthcare Settings. Circulation Heart Failure 2017, 10: e004402. PMID: 29129828, PMCID: PMC6057614, DOI: 10.1161/circheartfailure.117.004402.Peer-Reviewed Original ResearchMeSH KeywordsAdministrative Claims, HealthcareAgedAged, 80 and overAmbulatory CareCardiology Service, HospitalDatabases, FactualFee-for-Service PlansFemaleHealth Services Needs and DemandHeart FailureHumansIncidenceInsurance BenefitsMaleMedicareNeeds AssessmentPrevalencePrognosisTime FactorsUnited StatesConceptsIncident HFService Medicare beneficiariesMedicare beneficiariesStudy periodEpidemiology of HFHeart failure epidemicOutpatient care settingsHealth policy interventionsHF mortalityPrevalent HFHeart failureMean ageOutpatient settingOverall burdenCare settingsContemporary epidemiologyNew diagnosisInpatientsHealthcare settingsCohortEpidemiologyPatientsMortalityFirst yearPronounced decreasePredictors of Death in Adults With Duchenne Muscular Dystrophy–Associated Cardiomyopathy
Cheeran D, Khan S, Khera R, Bhatt A, Garg S, Grodin JL, Morlend R, Araj FG, Amin AA, Thibodeau JT, Das S, Drazner MH, Mammen PPA. Predictors of Death in Adults With Duchenne Muscular Dystrophy–Associated Cardiomyopathy. Journal Of The American Heart Association 2017, 6: e006340. PMID: 29042427, PMCID: PMC5721845, DOI: 10.1161/jaha.117.006340.Peer-Reviewed Original ResearchConceptsDuchenne muscular dystrophyDMD patientsPrognostic factorsDMD populationCardiac biomarkersHigh-risk cardiovascular populationLower body mass indexAdult DMD patientsHeart failure medicationsPredictors of deathAlanine aminotransferase levelsElevated cardiac biomarkersPoor prognostic factorMaximum inspiratory pressureBody mass indexElectronic medical recordsCardiomyopathy clinicMedian followAminotransferase levelsBaseline characteristicsCardiovascular populationRetrospective cohortConsecutive patientsMass indexWorse prognosisWith Great Power Comes Great Responsibility
Khera R, Krumholz HM. With Great Power Comes Great Responsibility. Circulation Cardiovascular Quality And Outcomes 2017, 10: e003846. PMID: 28705865, PMCID: PMC5728376, DOI: 10.1161/circoutcomes.117.003846.Peer-Reviewed Original Research