2022
Variation in coronary angiography use in Out-of-Hospital cardiac arrest
Agusala V, Dale P, Khera R, Brown S, Idris A, Link M, Mody P. Variation in coronary angiography use in Out-of-Hospital cardiac arrest. Resuscitation 2022, 181: 79-85. PMID: 36332772, DOI: 10.1016/j.resuscitation.2022.10.020.Peer-Reviewed Original ResearchConceptsRates of CAGEarly coronary angiographyCoronary angiographyST elevationNon-shockable rhythmTrial clustersOHCA patientsShockable rhythmInitial non-shockable rhythmHospital cardiac arrest patientsUse of CAGCoronary angiography useInitial arrest rhythmInitial shockable rhythmPost-resuscitation electrocardiogramProportion of patientsOverall study populationCardiac arrest patientsHospital cardiac arrestArrest rhythmAngiography useHospital admissionArrest patientsCardiac arrestNational cohort
2021
Comparative Outcomes of Percutaneous Coronary Intervention for ST-Segment–Elevation Myocardial Infarction Among Medicare Beneficiaries With Multivessel Coronary Artery Disease
Secemsky EA, Butala N, Raja A, Khera R, Wang Y, Curtis JP, Maddox TM, Virani SS, Armstrong EJ, Shunk KA, Brindis RG, Bhatt D, Yeh RW. Comparative Outcomes of Percutaneous Coronary Intervention for ST-Segment–Elevation Myocardial Infarction Among Medicare Beneficiaries With Multivessel Coronary Artery Disease. Circulation Cardiovascular Interventions 2021, 14: e010323. PMID: 34372676, PMCID: PMC8485756, DOI: 10.1161/circinterventions.120.010323.Peer-Reviewed Original ResearchAssociation of COVID-19 Hospitalization Volume and Case Growth at US Hospitals with Patient Outcomes
Khera R, Liu Y, de Lemos JA, Das SR, Pandey A, Omar W, Kumbhani DJ, Girotra S, Yeh RW, Rutan C, Walchok J, Lin Z, Bradley SM, Velazquez EJ, Churchwell KB, Nallamothu BK, Krumholz HM, Curtis JP. Association of COVID-19 Hospitalization Volume and Case Growth at US Hospitals with Patient Outcomes. The American Journal Of Medicine 2021, 134: 1380-1388.e3. PMID: 34343515, PMCID: PMC8325555, DOI: 10.1016/j.amjmed.2021.06.034.Peer-Reviewed Original ResearchConceptsCOVID-19 hospitalizationHospitalization volumeAmerican Heart Association COVID-19 Cardiovascular Disease RegistryCase volumeUS hospitalsCoronavirus disease 2019 (COVID-19) hospitalizationIntensive care unit therapyHospital case fatality ratePoor COVID-19 outcomesCardiovascular Disease RegistryHospital case volumeCase fatality rateCOVID-19 outcomesHospital bed capacityLowest quartilePatient outcomesHospital careHigher oddsTriage strategiesFuture health challengesDisease RegistryMedical treatmentEarly identificationHospitalSignificant associationRepeated cross-sectional analysis of hydroxychloroquine deimplementation in the AHA COVID-19 CVD Registry
Bradley SM, Emmons-Bell S, Mutharasan RK, Rodriguez F, Gupta D, Roth G, Gluckman TJ, Shah RU, Wang TY, Khera R, Peterson PN, Das S. Repeated cross-sectional analysis of hydroxychloroquine deimplementation in the AHA COVID-19 CVD Registry. Scientific Reports 2021, 11: 15097. PMID: 34302004, PMCID: PMC8302649, DOI: 10.1038/s41598-021-94203-7.Peer-Reviewed Original ResearchConceptsCOVID-19Use of hydroxychloroquineActive COVID-19Cross-sectional analysisRandomized trialsIneffective therapyNational registryMedian useClinical careClinical informationDeimplementationU.S. hospitalsOverall proportionLittle dataHydroxychloroquineFurther studiesPatientsRegistryTherapyHospitalTrialsCareAssociation 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 outcomesUse of Machine Learning Models to Predict Death After Acute Myocardial Infarction
Khera R, Haimovich J, Hurley NC, McNamara R, Spertus JA, Desai N, Rumsfeld JS, Masoudi FA, Huang C, Normand SL, Mortazavi BJ, Krumholz HM. Use of Machine Learning Models to Predict Death After Acute Myocardial Infarction. JAMA Cardiology 2021, 6: 633-641. PMID: 33688915, PMCID: PMC7948114, DOI: 10.1001/jamacardio.2021.0122.Peer-Reviewed Original ResearchConceptsMachine learning modelsMeta-classifier modelLearning modelNeural networkGradient descent boostingAcute myocardial infarctionContemporary machineGradient descentXGBoost modelXGBoostHospital mortalityCohort studyLogistic regressionMyocardial infarctionNetworkChest Pain-MI RegistryPrecise classificationIndependent validation dataInitial laboratory valuesNovel methodLarge national registryHigh-risk individualsData analysisValidation dataResolution of riskTemporal Changes and Institutional Variation in Use of Percutaneous Coronary Intervention for ST-Elevation Myocardial Infarction With Multivessel Coronary Artery Disease in the United States
Secemsky EA, Butala N, Raja A, Khera R, Wang Y, Curtis JP, Maddox TM, Virani SS, Armstrong EJ, Shunk KA, Brindis RG, Bhatt D, Yeh RW. Temporal Changes and Institutional Variation in Use of Percutaneous Coronary Intervention for ST-Elevation Myocardial Infarction With Multivessel Coronary Artery Disease in the United States. JAMA Cardiology 2021, 6: 574-580. PMID: 33146666, PMCID: PMC7643043, DOI: 10.1001/jamacardio.2020.5354.Peer-Reviewed Original ResearchConceptsMV-percutaneous coronary interventionST-elevation myocardial infarctionMultivessel percutaneous coronary interventionPercutaneous coronary interventionMajor epicardial vesselsPCI useMV diseaseCoronary interventionIndex procedureMyocardial infarctionSTEMI admissionsEpicardial vesselsNational Cardiovascular Data Registry CathPCI RegistryIndex percutaneous coronary interventionMore major epicardial vesselsMultivessel coronary artery diseaseCoronary stentsSmall randomized studiesDays of dischargeCoronary artery diseaseMinority of patientsIndex admissionNonculprit lesionsCathPCI RegistryComplete revascularizationPrevalence of Missing Data in the National Cancer Database and Association With Overall Survival
Yang DX, Khera R, Miccio JA, Jairam V, Chang E, Yu JB, Park HS, Krumholz HM, Aneja S. Prevalence of Missing Data in the National Cancer Database and Association With Overall Survival. JAMA Network Open 2021, 4: e211793. PMID: 33755165, PMCID: PMC7988369, DOI: 10.1001/jamanetworkopen.2021.1793.Peer-Reviewed Original ResearchConceptsNational Cancer DatabaseNon-small cell lung cancerOverall survivalCell lung cancerCancer DatabaseMedical recordsLung cancerProstate cancerBreast cancerPatient recordsComplete dataRetrospective cohort studyCohort studyCancer RegistryCommon cancerVariables of interestHigh prevalenceMAIN OUTCOMEPatientsClinical advancementReal-world data sourcesCancerPrevalenceSurvivalHeterogeneous differences
2020
Association of Body Mass Index and Age With Morbidity and Mortality in Patients Hospitalized With COVID-19
Hendren NS, de Lemos JA, Ayers C, Das SR, Rao A, Carter S, Rosenblatt A, Walchok J, Omar W, Khera R, Hegde AA, Drazner MH, Neeland IJ, Grodin JL. Association of Body Mass Index and Age With Morbidity and Mortality in Patients Hospitalized With COVID-19. Circulation 2020, 143: 135-144. PMID: 33200947, DOI: 10.1161/circulationaha.120.051936.Peer-Reviewed Original ResearchConceptsBody mass indexClass III obesityHospital deathMechanical ventilationHigh riskVenous thromboembolismObese patientsMass indexObese individualsAmerican Heart Association COVID-19 Cardiovascular Disease RegistryAssociation of BMIMajor adverse cardiac eventsHigher body mass indexCOVID-19Significant body mass indexClass ICardiovascular Disease RegistryGeneralizable patient populationsAdverse cardiac eventsPrimary end pointCOVID-19 prevention strategiesCOVID-19 outcomesCoronavirus disease 2019Public health messagingAdults 51Rates and Predictors of Patient Underreporting of Hospitalizations During Follow-Up After Acute Myocardial Infarction
Caraballo C, Khera R, Jones PG, Decker C, Schulz W, Spertus JA, Krumholz HM. Rates and Predictors of Patient Underreporting of Hospitalizations During Follow-Up After Acute Myocardial Infarction. Circulation Cardiovascular Quality And Outcomes 2020, 13: e006231. PMID: 32552061, PMCID: PMC9465954, DOI: 10.1161/circoutcomes.119.006231.Peer-Reviewed Original ResearchConceptsAcute myocardial infarctionMyocardial infarctionHospitalization eventsMedical recordsLongitudinal multicenter cohort studyMulticenter cohort studyMedical record abstractionDifferent patient characteristicsHealth care eventsPatients' underreportingTRIUMPH registryAccuracy of reportingCohort studyPatient characteristicsRecord abstractionProspective studyClinical studiesClinical investigationHospitalizationPatientsCare eventsInfarctionEvent ratesParticipantsPredictors
2019
Administrative Billing Codes for Identifying Patients With Cardiac Arrest
DeZorzi C, Boyle B, Qazi A, Luthra K, Khera R, Chan PS, Girotra S. Administrative Billing Codes for Identifying Patients With Cardiac Arrest. Journal Of The American College Of Cardiology 2019, 73: 1598-1600. PMID: 30922482, PMCID: PMC6625314, DOI: 10.1016/j.jacc.2019.01.030.Peer-Reviewed Original ResearchAssociation Between Hospital Recognition for Resuscitation Guideline Adherence and Rates of Survival for In-Hospital Cardiac Arrest
Khera R, Tang Y, Link MS, Krumholz HM, Girotra S, Chan PS. Association Between Hospital Recognition for Resuscitation Guideline Adherence and Rates of Survival for In-Hospital Cardiac Arrest. Circulation Cardiovascular Quality And Outcomes 2019, 12: e005429. PMID: 30871337, PMCID: PMC6592630, DOI: 10.1161/circoutcomes.118.005429.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAgedAged, 80 and overAwards and PrizesFemaleGuideline AdherenceHeart ArrestHospital MortalityHospitalsHumansInpatientsMaleMiddle AgedOutcome and Process Assessment, Health CarePatient DischargePractice Guidelines as TopicPractice Patterns, Physicians'Quality Indicators, Health CareRegistriesResuscitationTime FactorsTime-to-TreatmentTreatment OutcomeUnited StatesYoung AdultConceptsHospital cardiac arrestCardiac arrestRate of survivalSpontaneous circulationIn-Hospital Cardiac ArrestGuidelines-Resuscitation registryCardiac arrest survivalEndotracheal tube placementHigh rateHospital performanceBest tertileGuidelines-ResuscitationNational GetGuideline adherenceOverall survivalBackground HospitalTube placementNational registryChest compressionsResuscitation qualityHospitalHospital recognitionAward statusSurvivalWeak association
2017
Administrative Codes for Capturing In-Hospital Cardiac Arrest
Khera R, Spertus JA, Starks MA, Tang Y, Bradley SM, Girotra S, Chan PS. Administrative Codes for Capturing In-Hospital Cardiac Arrest. JAMA Cardiology 2017, 2: 1275-1277. PMID: 28877294, PMCID: PMC5736791, DOI: 10.1001/jamacardio.2017.2904.Peer-Reviewed Original ResearchAdministrative Claims, HealthcareAgedAged, 80 and overCardiopulmonary ResuscitationDatabases, FactualElectric CountershockFemaleHeart ArrestHospitalizationHumansInformation Storage and RetrievalInternational Classification of DiseasesMaleMedicareRegistriesTachycardia, VentricularUnited StatesVentricular FibrillationVentricular Flutter