2020
Transethnic Transferability of a Genome-Wide Polygenic Score for Coronary Artery Disease
Fahed AC, Aragam KG, Hindy G, Chen YI, Chaudhary K, Dobbyn A, Krumholz HM, Sheu WHH, Rich SS, Rotter JI, Chowdhury R, Cho J, Do R, Ellinor PT, Kathiresan S, Khera AV. Transethnic Transferability of a Genome-Wide Polygenic Score for Coronary Artery Disease. Circulation Genomic And Precision Medicine 2020, 14: e003092. PMID: 33284643, PMCID: PMC7887053, DOI: 10.1161/circgen.120.003092.Peer-Reviewed Original ResearchEvaluation of STEMI Regionalization on Access, Treatment, and Outcomes Among Adults Living in Nonminority and Minority Communities
Hsia RY, Krumholz H, Shen YC. Evaluation of STEMI Regionalization on Access, Treatment, and Outcomes Among Adults Living in Nonminority and Minority Communities. JAMA Network Open 2020, 3: e2025874. PMID: 33196809, PMCID: PMC7670311, DOI: 10.1001/jamanetworkopen.2020.25874.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAged, 80 and overBlack or African AmericanCaliforniaCause of DeathCohort StudiesFemaleHealth Services AccessibilityHealthcare DisparitiesHispanic or LatinoHospitalizationHumansMaleMiddle AgedMinority GroupsMortalityNon-Randomized Controlled Trials as TopicPercutaneous Coronary InterventionRegional Medical ProgramsResidence CharacteristicsST Elevation Myocardial InfarctionTime-to-TreatmentWhite PeopleConceptsST-segment elevation myocardial infarctionElevation myocardial infarctionPercutaneous coronary interventionPCI-capable hospitalsZip codesNon-Hispanic whitesPatient's countyCause mortalityCohort studyCoronary interventionPCI hospitalsPCI treatmentWhite patientsCapable hospitalsMyocardial infarctionTop tertileInpatient dataMAIN OUTCOMEPatientsSTEMI regionalizationSmall improvementHospitalPotential mechanismsSame dayHispanic populationAssociation Between Sociodemographic Determinants and Disparities in Stroke Symptom Awareness Among US Young Adults
Mszar R, Mahajan S, Valero-Elizondo J, Yahya T, Sharma R, Grandhi GR, Khera R, Virani SS, Lichtman J, Khan SU, Cainzos-Achirica M, Vahidy FS, Krumholz HM, Nasir K. Association Between Sociodemographic Determinants and Disparities in Stroke Symptom Awareness Among US Young Adults. Stroke 2020, 51: 3552-3561. PMID: 33100188, DOI: 10.1161/strokeaha.120.031137.Peer-Reviewed Original ResearchConceptsNational Health Interview SurveyCommon stroke symptomsStroke symptomsHealth Interview SurveyYoung adultsUS young adultsSymptom awarenessFocused public health interventionsInterview SurveyStroke symptom awarenessHigh-risk characteristicsPublic health interventionsArms/legsCertain sociodemographic subgroupsLow education levelStroke incidenceSevere headacheSingle symptomStudy populationTimely diagnosisHigher oddsStroke rateHispanic ethnicityGeneral populationSociodemographic determinants
2018
Racial Disparities in Patient Characteristics and Survival After Acute Myocardial Infarction
Graham GN, Jones PG, Chan PS, Arnold SV, Krumholz HM, Spertus JA. Racial Disparities in Patient Characteristics and Survival After Acute Myocardial Infarction. JAMA Network Open 2018, 1: e184240. PMID: 30646346, PMCID: PMC6324589, DOI: 10.1001/jamanetworkopen.2018.4240.Peer-Reviewed Original ResearchConceptsAcute myocardial infarctionWhite patientsBlack patientsMortality rate differencesMortality ratePatient characteristicsMyocardial infarctionPropensity scoreAcute Myocardial Infarction Patients' Health Status (TRIUMPH) registrySelf-identified black patientsObserved survival differencesNational Death IndexTime of admissionLower propensity scoreProspective registryClinical characteristicsCohort studyDeath IndexHighest quintileBlack raceC-statisticSurvival differencesWorse outcomesMAIN OUTCOMEPatientsAssociation of Racial and Socioeconomic Disparities With Outcomes Among Patients Hospitalized With Acute Myocardial Infarction, Heart Failure, and Pneumonia
Downing NS, Wang C, Gupta A, Wang Y, Nuti SV, Ross JS, Bernheim SM, Lin Z, Normand ST, Krumholz HM. Association of Racial and Socioeconomic Disparities With Outcomes Among Patients Hospitalized With Acute Myocardial Infarction, Heart Failure, and Pneumonia. JAMA Network Open 2018, 1: e182044. PMID: 30646146, PMCID: PMC6324513, DOI: 10.1001/jamanetworkopen.2018.2044.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overBlack PeopleCohort StudiesFee-for-Service PlansFemaleHealth Status DisparitiesHeart FailureHospitalizationHospitalsHumansMaleMedicareMiddle AgedMyocardial InfarctionOutcome Assessment, Health CarePneumoniaRacial GroupsRetrospective StudiesSocial ClassUnited StatesWhite PeopleConceptsAcute myocardial infarctionRisk-standardized mortality ratesRisk-standardized readmission ratesReadmission ratesHeart failureMyocardial infarctionMortality rateIntraclass correlation coefficientAnalysis cohortBlack patientsHospital proportionSocioeconomic disparitiesHospital analysisRisk-standardized outcomesRisk-standardized ratesRetrospective cohort studySocioeconomic statusNeighborhood income levelHospital performanceHospital outcomesCohort studyNumber of hospitalsBroader systemic effectsPatient raceMAIN OUTCOMESex and Race Differences in the Utilization and Outcomes of Coronary Artery Bypass Grafting Among Medicare Beneficiaries, 1999–2014
Angraal S, Khera R, Wang Y, Lu Y, Jean R, Dreyer RP, Geirsson A, Desai NR, Krumholz HM. Sex and Race Differences in the Utilization and Outcomes of Coronary Artery Bypass Grafting Among Medicare Beneficiaries, 1999–2014. Journal Of The American Heart Association 2018, 7: e009014. PMID: 30005557, PMCID: PMC6064835, DOI: 10.1161/jaha.118.009014.Peer-Reviewed Original ResearchConceptsCoronary artery bypassCABG utilizationArtery bypassUse of CABGService Medicare beneficiariesCalendar year trendsCABG mortalityUnderwent CABGReadmission ratesCABG proceduresWhite patientsBlack patientsPatient groupMedicare beneficiariesMedicare feeMortality rateCABGAnnual declineWomenRacial subgroupsRacial differencesGreater declineOutcomesPatientsSex
2015
Race, Socioeconomic Status, and Life Expectancy After Acute Myocardial Infarction
Bucholz EM, Ma S, Normand SL, Krumholz HM. Race, Socioeconomic Status, and Life Expectancy After Acute Myocardial Infarction. Circulation 2015, 132: 1338-1346. PMID: 26369354, PMCID: PMC5097251, DOI: 10.1161/circulationaha.115.017009.Peer-Reviewed Original ResearchNational Trends in Pulmonary Embolism Hospitalization Rates and Outcomes for Adults Aged ≥65 Years in the United States (1999 to 2010)
Minges KE, Bikdeli B, Wang Y, Kim N, Curtis JP, Desai MM, Krumholz HM. National Trends in Pulmonary Embolism Hospitalization Rates and Outcomes for Adults Aged ≥65 Years in the United States (1999 to 2010). The American Journal Of Cardiology 2015, 116: 1436-1442. PMID: 26409636, PMCID: PMC4841688, DOI: 10.1016/j.amjcard.2015.07.068.Peer-Reviewed Original ResearchConceptsHospitalization ratesMortality rateReadmission ratesBlack patientsPrincipal discharge diagnosis codeOlder adultsCause readmission rateHospital mortality rateProportion of patientsRetrospective cohort studyDischarge diagnosis codesSkilled nursing facilitiesNational trendsSignificant racial differencesHigh rateHome health careHospital stayAdults AgedCohort studyMore patientsTherapeutic advancesDiagnosis codesMedicare feeNursing facilitiesSignificant burdenLife Expectancy and Years of Potential Life Lost After Acute Myocardial Infarction by Sex and Race A Cohort-Based Study of Medicare Beneficiaries
Bucholz EM, Normand SL, Wang Y, Ma S, Lin H, Krumholz HM. Life Expectancy and Years of Potential Life Lost After Acute Myocardial Infarction by Sex and Race A Cohort-Based Study of Medicare Beneficiaries. Journal Of The American College Of Cardiology 2015, 66: 645-655. PMID: 26248991, PMCID: PMC5459400, DOI: 10.1016/j.jacc.2015.06.022.Peer-Reviewed Original ResearchConceptsAcute myocardial infarctionWhite patientsBlack patientsLife expectancyMyocardial infarctionMedicare beneficiariesCox proportional hazards regressionPotential lifeProspective cohort studyCohort-based studyProportional hazards regressionCooperative Cardiovascular ProjectBurden of diseaseLong-term survivalCohort studyClinical presentationHazards regressionBlack raceSurvival advantageGeneral populationPatientsAverage ageRace differencesLife expectancy estimatesYPLLRacial Differences in Heart Failure Outcomes Evidence From the Tele-HF Trial (Telemonitoring to Improve Heart Failure Outcomes)
Qian F, Parzynski CS, Chaudhry SI, Hannan EL, Shaw BA, Spertus JA, Krumholz HM. Racial Differences in Heart Failure Outcomes Evidence From the Tele-HF Trial (Telemonitoring to Improve Heart Failure Outcomes). JACC Heart Failure 2015, 3: 531-538. PMID: 26160368, PMCID: PMC8635169, DOI: 10.1016/j.jchf.2015.03.005.Peer-Reviewed Original ResearchConceptsPatient-reported health statusKansas City Cardiomyopathy QuestionnaireHeart failureBlack patientsHealth statusHF hospitalizationRacial differencesBaseline KCCQ scoresClinical laboratory valuesPatient-reported outcomesSignificant racial differencesKCCQ scoresHF admissionsPatient demographicsWhite patientsLaboratory valuesPropensity score methodsPatientsHospitalizationOutcome evidenceMonthsLinear mixed modelsBaselineTrialsStatus
2013
Prevalence of Traditional Cardiac Risk Factors and Secondary Prevention Among Patients Hospitalized for Acute Myocardial Infarction (AMI): Variation by Age, Sex, and Race
Leifheit-Limson EC, Spertus JA, Reid KJ, Jones SB, Vaccarino V, Krumholz HM, Lichtman JH. Prevalence of Traditional Cardiac Risk Factors and Secondary Prevention Among Patients Hospitalized for Acute Myocardial Infarction (AMI): Variation by Age, Sex, and Race. Journal Of Women's Health 2013, 22: 659-666. PMID: 23841468, DOI: 10.1089/jwh.2012.3962.Peer-Reviewed Original ResearchMeSH KeywordsAdultAge FactorsAgedAged, 80 and overBlack or African AmericanBody Mass IndexCounselingDiabetes Mellitus, Type 2FemaleHospitalizationHumansHypercholesterolemiaHypertensionLife StyleMaleMiddle AgedMyocardial InfarctionObesityPrevalenceProspective StudiesRisk FactorsSecondary PreventionSex FactorsSmokingSmoking CessationSocioeconomic FactorsWhite PeopleConceptsCardiac risk factorsAcute myocardial infarctionSecondary prevention effortsTraditional cardiac risk factorsLipid-lowering medicationsRisk factorsWhite patientsAMI patientsMyocardial infarctionPrevention effortsGreater risk factor burdenMultiple cardiac risk factorsRisk factor burdenYoung black patientsYoung white patientsSecondary prevention strategiesRisk factor prevalenceHigh-risk subgroupsMultiple risk factorsBlack womenAge-sex groupsOlder patientsSecondary preventionYounger patientsFactor prevalenceNational Trends in Heart Failure Hospital Stay Rates, 2001 to 2009
Chen J, Dharmarajan K, Wang Y, Krumholz HM. National Trends in Heart Failure Hospital Stay Rates, 2001 to 2009. Journal Of The American College Of Cardiology 2013, 61: 1078-1088. PMID: 23473413, PMCID: PMC3939721, DOI: 10.1016/j.jacc.2012.11.057.Peer-Reviewed Original ResearchConceptsHospital stay ratesLength of stayHF hospital stayHospital mortalityYears of ageHospital stayPatients 18Stay ratesNational Inpatient Sample dataU.S. hospital dischargesPatients 65 yearsPrimary discharge diagnosisSignificant declineOlder Medicare beneficiariesNational Inpatient SampleBlack menLarge national datasetHospital dischargeOlder patientsPatients 55Younger patientsDischarge diagnosisInpatient SampleMedicare beneficiariesAge 65
2012
Recent Trends in Hospitalization for Acute Myocardial Infarction
Wang OJ, Wang Y, Chen J, Krumholz HM. Recent Trends in Hospitalization for Acute Myocardial Infarction. The American Journal Of Cardiology 2012, 109: 1589-1593. PMID: 22440114, PMCID: PMC3351562, DOI: 10.1016/j.amjcard.2012.01.381.Peer-Reviewed Original Research
2011
Investigation of 95 variants identified in a genome-wide study for association with mortality after acute coronary syndrome
Morgan TM, House JA, Cresci S, Jones P, Allayee H, Hazen SL, Patel Y, Patel RS, Eapen DJ, Waddy SP, Quyyumi AA, Kleber ME, März W, Winkelmann BR, Boehm BO, Krumholz HM, Spertus JA. Investigation of 95 variants identified in a genome-wide study for association with mortality after acute coronary syndrome. BMC Medical Genomics 2011, 12: 127. PMID: 21957892, PMCID: PMC3190329, DOI: 10.1186/1471-2350-12-127.Peer-Reviewed Original ResearchMeSH KeywordsAcute Coronary SyndromeAgedAged, 80 and overAminohydrolasesCohort StudiesFemaleFormate-Tetrahydrofolate LigaseGenetic VariationGenome-Wide Association StudyGenotypeHumansKaplan-Meier EstimateMaleMethylenetetrahydrofolate Dehydrogenase (NADP)Middle AgedMultienzyme ComplexesMyocardial InfarctionPolymorphism, Single NucleotideProportional Hazards ModelsRisk FactorsWhite PeopleConceptsAcute coronary syndromeCoronary syndromeCoronary artery disease patientsKaplan-Meier survival analysisACS risk factorsCoronary artery diseaseUniversity-affiliated hospitalMyocardial infarction patientsPremature myocardial infarctionRace-adjusted analysesACS mortalityArtery diseaseCox regressionBorderline significanceDisease patientsInfarction patientsMyocardial infarctionRisk factorsMortality hazardIndependent cohortSurvival analysisDiverse cohortPatientsRelevant covariatesBackgroundGenome-wide association studiesTranslational Research Investigating Underlying Disparities in Acute Myocardial Infarction Patients' Health Status (TRIUMPH)
Arnold SV, Chan PS, Jones PG, Decker C, Buchanan DM, Krumholz HM, Ho PM, Spertus JA. Translational Research Investigating Underlying Disparities in Acute Myocardial Infarction Patients' Health Status (TRIUMPH). Circulation Cardiovascular Quality And Outcomes 2011, 4: 467-476. PMID: 21772003, PMCID: PMC3376532, DOI: 10.1161/circoutcomes.110.960468.Peer-Reviewed Original ResearchConceptsHealth status studiesMyocardial infarctionHealth statusPostdischarge careAcute Myocardial Infarction Patients' Health StatusSubset of patientsTranslational researchPost-MI outcomesRacial differencesHigh mortality ratePatients' health statusMI registryChart abstractionHospital dischargeWhite patientsBlack patientsVital statusMedical historyWorse outcomesTreatment characteristicsInpatient careBaseline interviewUS CentersBlood samplesPatients
2010
Racial Disparities in Health Literacy and Access to Care Among Patients With Heart Failure
Chaudhry SI, Herrin J, Phillips C, Butler J, Mukerjhee S, Murillo J, Onwuanyi A, Seto TB, Spertus J, Krumholz HM. Racial Disparities in Health Literacy and Access to Care Among Patients With Heart Failure. Journal Of Cardiac Failure 2010, 17: 122-127. PMID: 21300301, PMCID: PMC3053061, DOI: 10.1016/j.cardfail.2010.09.016.Peer-Reviewed Original ResearchConceptsHeart failure patientsHealth literacyFailure patientsHeart failureInsurance statusWorse health literacyOutpatient medical careRacial differencesImportant racial differencesNoncardiac comorbiditiesUnadjusted analysesBlack raceCare existMedical homePatientsMedical careRacial disparitiesSocioeconomic statusStrong associationPotential mediatorsHealth carePoor accessCareSocial supportStatusRecent Declines in Hospitalizations for Acute Myocardial Infarction for Medicare Fee-for-Service Beneficiaries
Chen J, Normand SL, Wang Y, Drye EE, Schreiner GC, Krumholz HM. Recent Declines in Hospitalizations for Acute Myocardial Infarction for Medicare Fee-for-Service Beneficiaries. Circulation 2010, 121: 1322-1328. PMID: 20212281, DOI: 10.1161/circulationaha.109.862094.Peer-Reviewed Original Research
2009
Racial Differences in Survival After In-Hospital Cardiac Arrest
Chan PS, Nichol G, Krumholz HM, Spertus JA, Jones PG, Peterson ED, Rathore SS, Nallamothu BK, Investigators F. Racial Differences in Survival After In-Hospital Cardiac Arrest. JAMA 2009, 302: 1195-1201. PMID: 19755698, PMCID: PMC2795316, DOI: 10.1001/jama.2009.1340.Peer-Reviewed Original ResearchConceptsHospital cardiac arrestCardiac arrestBlack patientsWhite patientsSuccessful resuscitationPostresuscitation survivalRacial differencesHospital sitesIn-Hospital Cardiac ArrestLower ratesPulseless ventricular tachycardiaRate of survivalCohort studyHospital dischargePatient characteristicsClinical factorsImmediate resuscitationPostresuscitation periodNational registryVentricular tachycardiaHospital CenterVentricular fibrillationCardiopulmonary resuscitationAdditional adjustmentPatientsFactors associated with racial differences in myocardial infarction outcomes.
Spertus JA, Jones PG, Masoudi FA, Rumsfeld JS, Krumholz HM. Factors associated with racial differences in myocardial infarction outcomes. Annals Of Internal Medicine 2009, 150: 314-24. PMID: 19258559, PMCID: PMC3387537, DOI: 10.7326/0003-4819-150-5-200903030-00007.Peer-Reviewed Original ResearchConceptsQuality of lifeMyocardial infarction outcomesSite of careBlack patientsMyocardial infarctionRacial differencesPost-myocardial infarction outcomesBaseline cardiac riskHigher unadjusted mortalityProspective cohort studySeattle Angina QuestionnaireAngina QuestionnaireCardiovascular outcomesCause mortalityRehospitalization ratesUnadjusted mortalityCohort studyHospital factorsPatient characteristicsWhite patientsCardiac dysfunctionCardiac riskPatient factorsPatient's symptomsNational HeartRacial and Gender Trends in the Use of Implantable Cardioverter‐Defibrillators Among Medicare Beneficiaries Between 1997 and 2003
Chan PS, Birkmeyer JD, Krumholz HM, Spertus JA, Nallamothu BK. Racial and Gender Trends in the Use of Implantable Cardioverter‐Defibrillators Among Medicare Beneficiaries Between 1997 and 2003. Congestive Heart Failure 2009, 15: 51-57. PMID: 19379450, PMCID: PMC2921372, DOI: 10.1111/j.1751-7133.2009.00060.x.Peer-Reviewed Original Research