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
2020
Temporal Trends in Heart Failure Incidence Among Medicare Beneficiaries Across Risk Factor Strata, 2011 to 2016
Khera R, Kondamudi N, Zhong L, Vaduganathan M, Parker J, Das SR, Grodin JL, Halm EA, Berry JD, Pandey A. Temporal Trends in Heart Failure Incidence Among Medicare Beneficiaries Across Risk Factor Strata, 2011 to 2016. JAMA Network Open 2020, 3: e2022190. PMID: 33095250, PMCID: PMC7584929, DOI: 10.1001/jamanetworkopen.2020.22190.Peer-Reviewed Original ResearchConceptsHeart failure incidenceHF risk factorsHF incidenceClinical Modification codesRisk factorsAcute MIMedicare beneficiariesFailure incidenceHF prevention strategiesRisk factor strataNational cohort studyService Medicare beneficiariesUnique Medicare beneficiariesInternational Statistical ClassificationRace/ethnicityPrior HFPrevalent hypertensionCohort studyIncident HFNinth RevisionPrevious diagnosisCardiovascular conditionsTenth RevisionMAIN OUTCOMEInternational Classification
2019
National Trends in Healthcare-Associated Infections for Five Common Cardiovascular Conditions
Miller PE, Guha A, Khera R, Chouairi F, Ahmad T, Nasir K, Addison D, Desai NR. National Trends in Healthcare-Associated Infections for Five Common Cardiovascular Conditions. The American Journal Of Cardiology 2019, 124: 1140-1148. PMID: 31371062, PMCID: PMC7883647, DOI: 10.1016/j.amjcard.2019.06.029.Peer-Reviewed Original ResearchConceptsLength of stayCommon cardiovascular conditionCentral line-associated bloodstream infectionsCatheter-associated urinary tract infectionsLine-associated bloodstream infectionsUrinary tract infectionVentilator-associated pneumoniaClostridium difficile infectionCardiovascular conditionsTract infectionsBloodstream infectionsDifficile infectionOutcome of HAICoronary artery bypassTotal hospital chargesAcute myocardial infarctionSkilled care facilityHealthcare-Associated InfectionsValue-based careHospital mortalityArtery bypassCardiogenic shockHeart failurePropensity matchingAtrial fibrillation
2018
Rising Mortality in Patients With Heart Failure in the United States Facts Versus Fiction
Khera R, Dharmarajan K, Krumholz HM. Rising Mortality in Patients With Heart Failure in the United States Facts Versus Fiction. JACC Heart Failure 2018, 6: 610-612. PMID: 29914774, DOI: 10.1016/j.jchf.2018.02.011.Commentaries, Editorials and Letters
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 decreaseComparison of Readmission Rates After Acute Myocardial Infarction in 3 Patient Age Groups (18 to 44, 45 to 64, and ≥65 Years) in the United States
Khera R, Jain S, Pandey A, Agusala V, Kumbhani DJ, Das SR, Berry JD, de Lemos JA, Girotra S. Comparison of Readmission Rates After Acute Myocardial Infarction in 3 Patient Age Groups (18 to 44, 45 to 64, and ≥65 Years) in the United States. The American Journal Of Cardiology 2017, 120: 1761-1767. PMID: 28865892, PMCID: PMC5825232, DOI: 10.1016/j.amjcard.2017.07.081.Peer-Reviewed Original ResearchConceptsYounger age groupsLow-income patientsReadmission ratesAge groupsHigh hospitalization burdenIndex AMI hospitalizationNationwide Readmissions DatabaseRisk of readmissionPatient age groupsAcute myocardial infarctionVulnerable patient groupSignificant resource utilizationMultivariable hierarchical modelsYears of ageHealth care resourcesHealth care systemReadmission periodHospitalization burdenPayer databaseAMI survivorsPost-AMIPatient groupInpatient hospitalizationMyocardial infarctionReadmission
2016
Atrial fibrillation associated hospitalizations in patients with end-stage renal disease in the United States, 2003–2012
Kumar N, Khera R, Garg N. Atrial fibrillation associated hospitalizations in patients with end-stage renal disease in the United States, 2003–2012. Heart Rhythm 2016, 13: 2027-2033. PMID: 27374238, DOI: 10.1016/j.hrthm.2016.06.031.Peer-Reviewed Original ResearchConceptsEnd-stage renal diseaseLength of stayCase fatality ratioUS ESRD populationAF hospitalizationsAtrial fibrillationHospitalization ratesESRD patientsESRD populationRenal diseaseHospital case-fatality ratioNational Inpatient Sample databasePrimary outcomeMean ageMarker of qualityHospitalizationFatality ratioEconomic burdenPatientsSample databaseSignificant decreaseSignificant increaseFibrillationAnnual numberOutcomes
2015
Trends in hospitalization for takotsubo cardiomyopathy in the United States
Khera R, Light-McGroary K, Zahr F, Horwitz PA, Girotra S. Trends in hospitalization for takotsubo cardiomyopathy in the United States. American Heart Journal 2015, 172: 53-63. PMID: 26856216, PMCID: PMC4748175, DOI: 10.1016/j.ahj.2015.10.022.Peer-Reviewed Original ResearchConceptsTakotsubo cardiomyopathyPrimary diagnosis groupCardiac arrestDiagnosis groupsHigh incidenceCardiogenic shockRespiratory failurePsychiatric disordersTransient left ventricular systolic dysfunctionLeft ventricular systolic dysfunctionNational Inpatient Sample dataCardiovascular risk factorsDiagnostic coronary angiographyVentricular systolic dysfunctionSecondary discharge diagnosisRisk of mortalityCost of careHospital mortalitySystolic dysfunctionCritical illnessCoronary angiographyDischarge diagnosisRisk factorsExcess mortalitySecondary group