2024
Artificial intelligence applied to electrocardiographic images for scalable screening of cardiac amyloidosis
Sangha V, Oikonomou E, Krumholz H, Miller E, Khera R. Artificial intelligence applied to electrocardiographic images for scalable screening of cardiac amyloidosis. European Heart Journal 2024, 45: ehae666.3436. DOI: 10.1093/eurheartj/ehae666.3436.Peer-Reviewed Original ResearchATTR-CMBone scintigraphy scansTransthyretin amyloid cardiomyopathyPositive predictive valueAI-ECG algorithmCardiac amyloidosisScintigraphy scanAmyloid cardiomyopathyAI-ECGSex-matchedDevelopment cohortMyocardial remodelingUnder-diagnosedUnder-treatedMatched controlsPredictive valueUnder-recognizedTransthyretin stabilizersConvolutional neural networkPatientsECGArtificial intelligenceHospitalPrevalenceTransthyretin
2023
Prevalence of covid-19 and long covid in collegiate student athletes from spring 2020 to fall 2021: a retrospective survey
Massey D, Saydah S, Adamson B, Lincoln A, Aukerman D, Berke E, Sikka R, Krumholz H. Prevalence of covid-19 and long covid in collegiate student athletes from spring 2020 to fall 2021: a retrospective survey. BMC Infectious Diseases 2023, 23: 876. PMID: 38093182, PMCID: PMC10717379, DOI: 10.1186/s12879-023-08801-z.Peer-Reviewed Original ResearchConceptsLong COVIDCOVID-19SARS-CoV-2 infectionPost-acute sequelaeSymptomatic COVID-19SARS-CoV-2Student athletesPost-COVID conditionsMental health consequencesHealthy athletesCollegiate Student-AthletesHealthy peopleRetrospective surveyMore weeksHealth consequencesPrevalenceConclusionsThis studyConvenience sampleFall 2020College athletesFurther studiesAthletesCOVIDSpring 2020Relevant time period
2022
Trends in Racial and Ethnic Disparities in Barriers to Timely Medical Care Among Adults in the US, 1999 to 2018
Caraballo C, Ndumele CD, Roy B, Lu Y, Riley C, Herrin J, Krumholz HM. Trends in Racial and Ethnic Disparities in Barriers to Timely Medical Care Among Adults in the US, 1999 to 2018. JAMA Health Forum 2022, 3: e223856. PMID: 36306118, PMCID: PMC9617175, DOI: 10.1001/jamahealthforum.2022.3856.Peer-Reviewed Original ResearchConceptsTimely medical careSerial cross-sectional studyNational Health Interview SurveyCross-sectional studyHealth Interview SurveyMedical careLack of transportationEthnic disparitiesHispanics/LatinosWhite individualsEthnicity groupsInterview SurveyCost of careSelf-reported raceStudy cohortClinic hoursMAIN OUTCOMEMedical officesCarePrevalenceLatino individualsBlack individualsSignificant differencesSignificant increasePopulation groupsTemporal Trends in Racial and Ethnic Disparities in Multimorbidity Prevalence in the United States, 1999-2018
Caraballo C, Herrin J, Mahajan S, Massey D, Lu Y, Ndumele CD, Drye EE, Krumholz HM. Temporal Trends in Racial and Ethnic Disparities in Multimorbidity Prevalence in the United States, 1999-2018. The American Journal Of Medicine 2022, 135: 1083-1092.e14. PMID: 35472394, DOI: 10.1016/j.amjmed.2022.04.010.Peer-Reviewed Original ResearchConceptsMultimorbidity prevalenceRace/ethnicityWhite individualsChronic conditionsBlack individualsSerial cross-sectional analysisCommon chronic conditionsRisk of morbidityPrevalence of multimorbidityPublic health interventionsCross-sectional analysisSelf-reported presenceSelf-reported raceLatino/HispanicMAIN OUTCOMEHealth interventionsEthnic disparitiesPrevalenceHealth inequalitiesStudy periodEarly lifeHispanic individualsTemporal trendsStudy sampleAsian individualsEvaluation of Temporal Trends in Racial and Ethnic Disparities in Sleep Duration Among US Adults, 2004-2018
Caraballo C, Mahajan S, Valero-Elizondo J, Massey D, Lu Y, Roy B, Riley C, Annapureddy AR, Murugiah K, Elumn J, Nasir K, Nunez-Smith M, Forman HP, Jackson CL, Herrin J, Krumholz HM. Evaluation of Temporal Trends in Racial and Ethnic Disparities in Sleep Duration Among US Adults, 2004-2018. JAMA Network Open 2022, 5: e226385. PMID: 35389500, PMCID: PMC8990329, DOI: 10.1001/jamanetworkopen.2022.6385.Peer-Reviewed Original ResearchConceptsCross-sectional studyLong sleep durationSleep durationWhite individualsBlack individualsLatino individualsEthnic differencesSerial cross-sectional studyNational Health Interview Survey dataHealth Interview Survey dataSelf-reported sleep durationShort sleep durationInterview Survey dataMiddle-aged adultsSelf-reported raceEstimated prevalenceMAIN OUTCOMELong sleepSleep deficiencyHigher household incomeEthnic disparitiesAge groupsHealth disparitiesPrevalenceSleep disparities
2021
Atherosclerotic Cardiovascular Disease, Cancer, and Financial Toxicity Among Adults in the United States
Valero-Elizondo J, Chouairi F, Khera R, Grandhi GR, Saxena A, Warraich HJ, Virani SS, Desai NR, Sasangohar F, Krumholz HM, Esnaola NF, Nasir K. Atherosclerotic Cardiovascular Disease, Cancer, and Financial Toxicity Among Adults in the United States. JACC CardioOncology 2021, 3: 236-246. PMID: 34396329, PMCID: PMC8352280, DOI: 10.1016/j.jaccao.2021.02.006.Peer-Reviewed Original ResearchCost-related medication nonadherenceFinancial toxicityMedication nonadherenceNational Health Interview SurveyAtherosclerotic cardiovascular diseaseMedical billsHealth Interview SurveyCancer careASCVDCardiovascular diseaseHigh burdenHigher oddsElderly populationCancerInterview SurveyFood insecurityCareNonadherenceSignificant proportionAdultsToxicityHigh financial distressPatientsPrevalenceDiseaseObesity Prevalence and Risks Among Chinese Adults
Mu L, Liu J, Zhou G, Wu C, Chen B, Lu Y, Lu J, Yan X, Zhu Z, Nasir K, Spatz ES, Krumholz HM, Zheng X. Obesity Prevalence and Risks Among Chinese Adults. Circulation Cardiovascular Quality And Outcomes 2021, 14: e007292. PMID: 34107739, PMCID: PMC8204767, DOI: 10.1161/circoutcomes.120.007292.Peer-Reviewed Original ResearchConceptsAbdominal obesitySocio-demographic subgroupsSocio-demographic associationsOverall obesityHigh riskMillion Persons ProjectEpidemic of obesityAge-standardized ratesCommunity-dwelling adultsAssociation of ageMultivariable mixed modelsObesity prevalenceOlder womenLower riskObesityOlder menChinese adultsPrevalenceWomenRiskMenPersons ProjectSubgroupsAssociationAdultsPrevalence 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
Assessment of Prevalence, Awareness, and Characteristics of Isolated Systolic Hypertension Among Younger and Middle-Aged Adults in China
Mahajan S, Feng F, Hu S, Lu Y, Gupta A, Murugiah K, Gao Y, Lu J, Liu J, Zheng X, Spatz ES, Zhang H, Krumholz HM, Li J. Assessment of Prevalence, Awareness, and Characteristics of Isolated Systolic Hypertension Among Younger and Middle-Aged Adults in China. JAMA Network Open 2020, 3: e209743. PMID: 33289843, PMCID: PMC7724558, DOI: 10.1001/jamanetworkopen.2020.9743.Peer-Reviewed Original ResearchConceptsMiddle-aged adultsSystolic hypertensionCardiac Events Million Persons ProjectOlder individualsIsolated systolic hypertensionManagement of ISHMillion Persons ProjectPrevalence of ISHPrevious cardiovascular eventsSystolic blood pressureTypes of hypertensionAssessment of prevalenceCross-sectional studyHypertension subtypesCardiovascular eventsBlood pressureChina PatientMean ageHypertensionMAIN OUTCOMEAwareness ratePrevalenceAged adultsYoung adultsAdultsLeveraging the Electronic Health Records for Population Health: A Case Study of Patients With Markedly Elevated Blood Pressure
Lu Y, Huang C, Mahajan S, Schulz WL, Nasir K, Spatz ES, Krumholz HM. Leveraging the Electronic Health Records for Population Health: A Case Study of Patients With Markedly Elevated Blood Pressure. Journal Of The American Heart Association 2020, 9: e015033. PMID: 32200730, PMCID: PMC7428633, DOI: 10.1161/jaha.119.015033.Peer-Reviewed Original ResearchConceptsDiastolic blood pressureSystolic blood pressureElevated blood pressureBlood pressureElectronic health recordsPopulation health surveillanceHealth recordsYale New Haven Health SystemHealth surveillanceHealth systemPatterns of patientsLarge health systemUsual careOutpatient encountersControl ratePatientsCare patternsPopulation healthMonthsHgSurveillancePrevalenceRecordsVisitsCare
2019
Prevalence, Awareness, and Treatment of Isolated Diastolic Hypertension: Insights From the China PEACE Million Persons Project
Mahajan S, Zhang D, He S, Lu Y, Gupta A, Spatz ES, Lu J, Huang C, Herrin J, Liu S, Yang J, Wu C, Cui J, Zhang Q, Li X, Nasir K, Zheng X, Krumholz HM, Li J, Dong Z, Jiang B, Zhang Y, Liu Y, Meng Y, Xi Y, Tian Y, Fu Y, Liu T, Yan S, Jin L, Wang J, Xu X, Xing X, Zhang L, Fang X, Xu Y, Xu C, Fan L, Qi M, Qi J, Li J, Liu Q, Feng Y, Wang J, Wen H, Xu J, He J, Jiang C, Yang C, Yu Y, Tashi Z, Hu Z, Zhang J, Li X, Ma S, Ma Y, Huang Y, Zhang Y, Shen J. Prevalence, Awareness, and Treatment of Isolated Diastolic Hypertension: Insights From the China PEACE Million Persons Project. Journal Of The American Heart Association 2019, 8: e012954. PMID: 31566101, PMCID: PMC6806046, DOI: 10.1161/jaha.119.012954.Peer-Reviewed Original ResearchConceptsMillion Persons ProjectPrior cardiovascular eventsBody mass indexAntihypertensive medicationsDiastolic hypertensionCardiovascular eventsDiabetes mellitusMass indexIsolated diastolic hypertensionDiastolic blood pressureSelf-reported diagnosisTreatment of peoplePersons ProjectBlood pressureTreatment patternsHypertensionLeast collegeHigher likelihoodMellitusMedicationsPrevalenceTreatmentDiagnosisSubstantial numberCurrent use
2017
The primary health-care system in China
Li X, Lu J, Hu S, Cheng K, De Maeseneer J, Meng Q, Mossialos E, Xu DR, Yip W, Zhang H, Krumholz HM, Jiang L, Hu S. The primary health-care system in China. The Lancet 2017, 390: 2584-2594. PMID: 29231837, DOI: 10.1016/s0140-6736(17)33109-4.Peer-Reviewed Original ResearchConceptsPrimary health care systemHealth care systemChronic non-communicable diseasesEvidence-based performance indicatorsNon-communicable diseasesEveryday clinical practiceQuality of careHealth information technology systemsRisk factorsClinical practiceCare deliveryVillage doctorsHealth care reformInadequate educationCost savingsWorld populationPopulationPrevalenceDisease
2016
Reply What Is the Prevalence of Diabetes Mellitus in Patients With Principal and Secondary Takotsubo Syndrome?
Murugiah K, Desai NN, Krumholz HM. Reply What Is the Prevalence of Diabetes Mellitus in Patients With Principal and Secondary Takotsubo Syndrome? JACC Heart Failure 2016, 4: 417-418. PMID: 27126286, DOI: 10.1016/j.jchf.2016.02.003.Commentaries, Editorials and Letters
2012
Sharing of clinical trial data among trialists: a cross sectional survey
Rathi V, Dzara K, Gross CP, Hrynaszkiewicz I, Joffe S, Krumholz HM, Strait KM, Ross JS. Sharing of clinical trial data among trialists: a cross sectional survey. The BMJ 2012, 345: e7570. PMID: 23169870, PMCID: PMC3502744, DOI: 10.1136/bmj.e7570.Peer-Reviewed Original ResearchConceptsClinical trial dataTrial dataGeneral medical journalsHigh-impact general medical journalsCross-sectional surveyDe-identified dataMedical journalsClinical trialsTrial fundersClinical trialistsSectional surveyTrialistsTrialsInvestigatorsExperiences of sharingPrevalence of dataPotential respondentsHigh impact factorAppropriate data usePrevalenceRespondents
2007
Financial Barriers to Health Care and Outcomes After Acute Myocardial Infarction
Rahimi AR, Spertus JA, Reid KJ, Bernheim SM, Krumholz HM. Financial Barriers to Health Care and Outcomes After Acute Myocardial Infarction. JAMA 2007, 297: 1063-1072. PMID: 17356027, DOI: 10.1001/jama.297.10.1063.Peer-Reviewed Original ResearchConceptsAcute myocardial infarctionHealth care servicesCare servicesMyocardial infarctionCardiac rehospitalizationSAQ qualityCause rehospitalizationLife scoresFinancial barriersMulticenter US studyHealth care outcomesProspective registryBaseline prevalenceRehospitalizationHigh riskMedicationsCare outcomesWorse recoveryInfarctionPrevalenceHealth careUS studiesPatientsPoor qualityOutcomes
2006
Prevalence, Predictors, and Outcomes of Premature Discontinuation of Thienopyridine Therapy After Drug-Eluting Stent Placement
Spertus JA, Kettelkamp R, Vance C, Decker C, Jones PG, Rumsfeld JS, Messenger JC, Khanal S, Peterson ED, Bach RG, Krumholz HM, Cohen DJ. Prevalence, Predictors, and Outcomes of Premature Discontinuation of Thienopyridine Therapy After Drug-Eluting Stent Placement. Circulation 2006, 113: 2803-2809. PMID: 16769908, DOI: 10.1161/circulationaha.106.618066.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overAngioplasty, Balloon, CoronaryCardiovascular AgentsCause of DeathClopidogrelCombined Modality TherapyCoronary RestenosisDrug Administration ScheduleDrug ImplantsFemaleFollow-Up StudiesHospitalizationHumansLife TablesMaleMiddle AgedMortalityMyocardial InfarctionPatient Education as TopicPlatelet Aggregation InhibitorsPrevalenceProportional Hazards ModelsProspective StudiesPyridinesRegistriesSirolimusStentsSurvival AnalysisThrombosisTiclopidineTreatment OutcomeTreatment RefusalConceptsDrug-eluting stentsThienopyridine therapyMI patientsMyocardial infarctionCardiac rehabilitation referralUse of thienopyridinesAcute myocardial infarctionPremature discontinuationDES placementRehabilitation referralHospitalization ratesStent thrombosisDischarge instructionsStent placementCardiovascular diseaseSubsequent mortalityPatientsDES treatmentTherapyHealth careMonthsThienopyridinesMortalityPrevalenceDays
2003
What Are Hospitals Doing to Increase Beta-Blocker Use?
Bradley EH, Holmboe ES, Wang Y, Herrin J, Frederick PD, Mattera JA, Roumanis SA, Radford MJ, Krumholz HM. What Are Hospitals Doing to Increase Beta-Blocker Use? The Joint Commission Journal On Quality And Patient Safety 2003, 29: 409-415. PMID: 12953605, DOI: 10.1016/s1549-3741(03)29049-3.Peer-Reviewed Original ResearchConceptsBeta-blocker useQuality improvement interventionsMyocardial infarctionCare coordinatorsClinical pathwayImprovement interventionsAcute myocardial infarctionCross-sectional analysisQuality improvement staffQuality improvement effortsNational registryMedian numberHospitalTelephone surveyInfarctionReminder FormInterventionImprovement effortsRegistryPrevalencePathwayPhysicians
1996
Epidemiologic and economic impact of advanced heart failure
Funk M, Krumholz H. Epidemiologic and economic impact of advanced heart failure. The Journal Of Cardiovascular Nursing 1996, 10: 1-10. PMID: 8656234, DOI: 10.1097/00005082-199601000-00002.Peer-Reviewed Original ResearchConceptsHeart failureMajor public health problemAdvanced heart failureCoronary heart diseasePublic health problemFinal common pathwayHeart diseaseRisk factorsCardiovascular diseaseCardiovascular conditionsHealth problemsPremature deathLethal conditionCommon pathwayPrevalenceDiseaseIncidenceNumber of peopleFailureEconomic impactPrognosisMortality