2024
Racial/Ethnic Disparities in Aortic Valve Replacement Among Medicare Beneficiaries in the United States, 2012-2019
Gupta A, Mori M, Wang Y, Pawar S, Vahl T, Nazif T, Onuma O, Yong C, Sharma R, Kirtane A, Forrest J, George I, Kodali S, Chikwe J, Geirsson A, Makkar R, Leon M, Krumholz H. Racial/Ethnic Disparities in Aortic Valve Replacement Among Medicare Beneficiaries in the United States, 2012-2019. The American Journal Of Medicine 2024, 137: 321-330.e7. PMID: 38190959, PMCID: PMC11019903, DOI: 10.1016/j.amjmed.2023.12.026.Peer-Reviewed Original ResearchAortic valve replacementRace/ethnicityValve replacementAortic stenosisWhite patientsMedicare beneficiariesSurgical aortic valve replacement (SAVR) proceduresCross-sectional cohort studyAortic valve replacement proceduresAortic stenosis treatmentRacial/Ethnic DisparitiesValve replacement proceduresSelf-reported race/ethnicityRace-related differencesIndex admissionIndex hospitalizationCohort studyAsian patientsPrincipal diagnosisProcedural outcomesStenosis treatmentCare spectrumPatientsEthnic disparitiesStenosis
2023
Racial/ethnic disparities in PM2.5-attributable cardiovascular mortality burden in the United States
Ma Y, Zang E, Opara I, Lu Y, Krumholz H, Chen K. Racial/ethnic disparities in PM2.5-attributable cardiovascular mortality burden in the United States. Nature Human Behaviour 2023, 7: 2074-2083. PMID: 37653149, PMCID: PMC10901568, DOI: 10.1038/s41562-023-01694-7.Peer-Reviewed Original ResearchConceptsNon-Hispanic White peopleCVD deathMortality burdenNon-Hispanic black peopleCardiovascular disease mortality ratesDisease mortality ratesNon-Hispanic blacksRace/ethnicityMortality rateLong-term exposureWhite peopleEthnic disparitiesHealth benefitsHispanic peopleSignificant differencesBurdenDeathUS countiesEthnic groupsAbsolute disparityAssociationExposureEthnic minoritiesDisparitiesAmbient fine particulate matter (PM2.5) concentrationsTrends in the likelihood of receiving percutaneous coronary intervention in a low-volume hospital and disparities by sociodemographic communities
Wang C, Lindquist K, Krumholz H, Hsia R. Trends in the likelihood of receiving percutaneous coronary intervention in a low-volume hospital and disparities by sociodemographic communities. PLOS ONE 2023, 18: e0279905. PMID: 36652416, PMCID: PMC9847957, DOI: 10.1371/journal.pone.0279905.Peer-Reviewed Original ResearchConceptsLow-volume hospitalsNon-Latinx WhitesRelative riskSociodemographic groupsLow-income zip codesHospital PCI volumeRetrospective cohort studyPercutaneous coronary interventionCoronary artery diseaseLow-volume centersFavorable patient outcomesLow-volume facilitiesZip code median incomeLow incomeRace/ethnicityCohort studyCoronary interventionLatinx patientsSecondary outcomesArtery diseasePCI centerPrimary outcomePCI volumeAsian patientsCertain socioeconomic factors
2022
Temporal 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 individuals
2021
Disparities in Excess Mortality Associated with COVID-19 — United States, 2020
Rossen LM, Ahmad FB, Anderson RN, Branum AM, Du C, Krumholz HM, Li SX, Lin Z, Marshall A, Sutton PD, Faust JS. Disparities in Excess Mortality Associated with COVID-19 — United States, 2020. MMWR Morbidity And Mortality Weekly Report 2021, 70: 1114-1119. PMID: 34411075, PMCID: PMC8375709, DOI: 10.15585/mmwr.mm7033a2.Peer-Reviewed Original ResearchConceptsMortality incidence ratesIncidence rateExcess mortalityAge groupsHighest excess mortality ratesExcess Mortality AssociatedGreater excess mortalityExcess mortality ratesAI/AN populationsNon-Hispanic American IndianNon-Hispanic blacksNational Vital Statistics SystemCOVID-19 pandemicPublic health messagingNon-Hispanic white populationRace/ethnicityVital Statistics SystemMortality AssociatedLack of adjustmentMortality rateExcess deathsAN populationsEthnic groupsHealth messagingHispanic persons
2020
Stroke Code Presentations, Interventions, and Outcomes Before and During the COVID-19 Pandemic
Jasne AS, Chojecka P, Maran I, Mageid R, Eldokmak M, Zhang Q, Nystrom K, Vlieks K, Askenase M, Petersen N, Falcone GJ, Wira CR, Lleva P, Zeevi N, Narula R, Amin H, Navaratnam D, Loomis C, Hwang DY, Schindler J, Hebert R, Matouk C, Krumholz HM, Spudich S, Sheth KN, Sansing LH, Sharma R. Stroke Code Presentations, Interventions, and Outcomes Before and During the COVID-19 Pandemic. Stroke 2020, 51: 2664-2673. PMID: 32755347, PMCID: PMC7446978, DOI: 10.1161/str.0000000000000347.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overBetacoronavirusBrain IschemiaCohort StudiesComorbidityConnecticutCoronary Artery DiseaseCoronavirus InfectionsCOVID-19DyslipidemiasEmergency Medical ServicesEthnicityFemaleHumansHypertensionIncomeInsurance, HealthIntracranial HemorrhagesMaleMedically UninsuredMiddle AgedOutcome and Process Assessment, Health CarePandemicsPneumonia, ViralRetrospective StudiesSARS-CoV-2Severity of Illness IndexStrokeSubstance-Related DisordersTelemedicineThrombectomyThrombolytic TherapyTime-to-TreatmentConceptsComprehensive stroke centerStroke codePatient characteristicsStroke severityStroke code patientsHistory of hypertensionStroke-like symptomsCoronary artery diseaseCoronavirus disease 2019 (COVID-19) pandemicPatient-level dataLower median household incomePublic health initiativesDisease 2019 pandemicCOVID-19 pandemicRace/ethnicityCode patientsHospital presentationPublic health insuranceRankin ScaleStroke centersArtery diseaseReperfusion timeStroke symptomsEarly outcomesConnecticut hospitals
2019
Associations between community well-being and hospitalisation rates: results from a cross-sectional study within six US states
Roy B, Riley C, Herrin J, Spatz E, Hamar B, Kell KP, Rula EY, Krumholz H. Associations between community well-being and hospitalisation rates: results from a cross-sectional study within six US states. BMJ Open 2019, 9: e030017. PMID: 31780588, PMCID: PMC6886944, DOI: 10.1136/bmjopen-2019-030017.Peer-Reviewed Original ResearchConceptsHospitalisation ratesZip codesPrimary care physician densityCross-sectional study SETTINGCancer-related admissionsRespiratory-related admissionsCross-sectional studyQuality of lifeRace/ethnicityCause hospitalisationSecondary outcomesPrimary outcomeHighest quintileUnnecessary hospitalisationAdmission ratesSD increaseHospitalisationLife benefitsPhysician densityStudy settingMain independent variableBeing IndexHospital bedsAdmissionGallup-Sharecare Well
2017
National Trends in Use and Outcomes of Pulmonary Artery Catheters Among Medicare Beneficiaries, 1999-2013
Ikuta K, Wang Y, Robinson A, Ahmad T, Krumholz HM, Desai NR. National Trends in Use and Outcomes of Pulmonary Artery Catheters Among Medicare Beneficiaries, 1999-2013. JAMA Cardiology 2017, 2: 908-913. PMID: 28593267, PMCID: PMC5815078, DOI: 10.1001/jamacardio.2017.1670.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overCatheterization, Swan-GanzCohort StudiesCross-Sectional StudiesDisease ManagementFemaleHeart FailureHospital MortalityHospitalizationHumansLength of StayMaleMedicareMortalityMyocardial InfarctionPulmonary ArteryRespiratory InsufficiencyUnited StatesVascular Access DevicesConceptsAcute myocardial infarctionLength of stayPAC usePAC placementRespiratory failureHeart failureMyocardial infarctionClinical conditionsPulmonary artery catheter useNational trendsCross-sectional cohort studyStudy periodKey clinical conditionsMedicaid Services inpatientHeart failure admissionsPulmonary artery catheterClinical Modification codesSociodemographic groupsUnique Medicare beneficiariesLack of benefitRace/ethnicityService inpatientsHospital mortalityCatheter useArtery catheter
2010
Beyond insurance coverage: Usual source of care in the treatment of hypertension and hypercholesterolemia. Data from the 2003-2006 National Health and Nutrition Examination Survey
Spatz ES, Ross JS, Desai MM, Canavan ME, Krumholz HM. Beyond insurance coverage: Usual source of care in the treatment of hypertension and hypercholesterolemia. Data from the 2003-2006 National Health and Nutrition Examination Survey. American Heart Journal 2010, 160: 115-121. PMID: 20598981, PMCID: PMC3025407, DOI: 10.1016/j.ahj.2010.04.013.Peer-Reviewed Original ResearchConceptsTreatment of hypertensionNutrition Examination SurveyInsurance statusMedication treatmentExamination SurveyNational HealthUsual sourceAdult Treatment Panel III recommendationsJoint National Committee 7Multivariable logistic regression modelingInsurance coverageSeparate multivariable modelsChronic disease managementLogistic regression modelingHigh-quality careRace/ethnicityCardiovascular diseaseMultivariable modelStratified analysisHypertensionHypercholesterolemiaRegular sourceCareDisease managementIndependent effects
2009
Race/Ethnicity and Workplace Discrimination: Results of a National Survey of Physicians
Nunez-Smith M, Pilgrim N, Wynia M, Desai MM, Jones BA, Bright C, Krumholz HM, Bradley EH. Race/Ethnicity and Workplace Discrimination: Results of a National Survey of Physicians. Journal Of General Internal Medicine 2009, 24: 1198. PMID: 19727966, PMCID: PMC2771235, DOI: 10.1007/s11606-009-1103-9.Peer-Reviewed Original Research
2008
Factors Associated With Longer Time From Symptom Onset to Hospital Presentation for Patients With ST-Elevation Myocardial Infarction
Ting HH, Bradley EH, Wang Y, Lichtman JH, Nallamothu BK, Sullivan MD, Gersh BJ, Roger VL, Curtis JP, Krumholz HM. Factors Associated With Longer Time From Symptom Onset to Hospital Presentation for Patients With ST-Elevation Myocardial Infarction. JAMA Internal Medicine 2008, 168: 959-968. PMID: 18474760, PMCID: PMC4858313, DOI: 10.1001/archinte.168.9.959.Peer-Reviewed Original ResearchConceptsST-elevation myocardial infarctionMyocardial infarctionHospital presentationSymptom onsetPatient subgroupsRisk factorsOnset of symptomsQuality of careRace/ethnicityNational registryPatient responsivenessInfarctionPatientsReference groupSubgroupsWomenMenCareOnsetMinutesPresentationYearsHoursGeometric meanDiabetics
2004
Racial and Ethnic Differences in Time to Acute Reperfusion Therapy for Patients Hospitalized With Myocardial Infarction
Bradley EH, Herrin J, Wang Y, McNamara RL, Webster TR, Magid DJ, Blaney M, Peterson ED, Canto JG, Pollack CV, Krumholz HM. Racial and Ethnic Differences in Time to Acute Reperfusion Therapy for Patients Hospitalized With Myocardial Infarction. JAMA 2004, 292: 1563-1572. PMID: 15467058, DOI: 10.1001/jama.292.13.1563.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overAngioplasty, Balloon, CoronaryAsian PeopleBlack PeopleFemaleHispanic or LatinoHospitalsHumansInsurance, HospitalizationMaleMiddle AgedMyocardial InfarctionOutcome Assessment, Health CarePatient AdmissionRetrospective StudiesSocioeconomic FactorsThrombolytic TherapyTime and Motion StudiesTime FactorsUnited StatesWhite PeopleConceptsST-segment elevation myocardial infarctionAcute reperfusion therapyElevation myocardial infarctionMyocardial infarctionReperfusion therapyAfrican American/BlackBalloon timeInsurance statusAmerican/BlackEthnic differencesPercutaneous coronary interventionBundle branch blockAsian/Pacific IslandersHealth care disparitiesRace/ethnicity differencesRace/ethnicityClinical characteristicsCoronary interventionFibrinolytic therapyHospital arrivalNonwhite patientsPrimary reperfusionWhite patientsUS cohortHospital characteristics