2023
Association of Neighborhood-Level Marginalization With Health Care Use and Clinical Outcomes Following Hospital Discharge in Patients Who Underwent Coronary Catheterization for Acute Myocardial Infarction in a Single-Payer Health Care System
Akioyamen L, Abdel-Qadir H, Han L, Sud M, Mistry N, Alter D, Atzema C, Austin P, Bhatia R, Booth G, Dhalla I, Ha A, Jackevicius C, Kapral M, Krumholz H, Lee D, McNaughton C, Roifman I, Schull M, Sivaswamy A, Tu K, Udell J, Wijeysundera H, Ko D. Association of Neighborhood-Level Marginalization With Health Care Use and Clinical Outcomes Following Hospital Discharge in Patients Who Underwent Coronary Catheterization for Acute Myocardial Infarction in a Single-Payer Health Care System. Circulation Cardiovascular Quality And Outcomes 2023, 16: e010063. PMID: 38050754, DOI: 10.1161/circoutcomes.123.010063.Peer-Reviewed Original ResearchConceptsAcute myocardial infarctionMyocardial infarctionHealth care systemHospital dischargeClinical outcomesSocioeconomic statusFirst acute myocardial infarctionProportional hazards regression modelsCare systemSecondary prevention medicationsWorse clinical outcomesHealth service usePopulation-based studyPrimary care physiciansHealth care useHazards regression modelsGreater long-term riskPrescription medication useSingle-payer health care systemUniversal health care systemLong-term riskLow socioeconomic statusCause mortalityDays postdischargePrevention medicationsPrimary care institutional characteristics associated with hypertension awareness, treatment, and control in the China PEACE-Million Persons Project and primary health-care survey: a cross-sectional study
Group C, Zhou T, Wang Y, Zhang H, Wu C, Tian N, Cui J, Bai X, Yang Y, Zhang X, Lu Y, Spatz E, Ross J, Krumholz H, Lu J, Li X, Hu S. Primary care institutional characteristics associated with hypertension awareness, treatment, and control in the China PEACE-Million Persons Project and primary health-care survey: a cross-sectional study. The Lancet Global Health 2023, 11: e83-e94. PMID: 36521957, DOI: 10.1016/s2214-109x(22)00428-4.Peer-Reviewed Original ResearchConceptsProportion of participantsPrimary care institutionsHypertension awarenessPrimary care systemBlood pressureCare institutionsCardiac Events Million Persons ProjectAverage diastolic blood pressureMedical Sciences (CAMS) Innovation FundAverage systolic blood pressureCare systemMillion Persons ProjectHistory of hypertensionDiastolic blood pressurePrimary care surveySystolic blood pressureCardiovascular disease riskBlood pressure measurementsCross-sectional studyParticipant-level dataProportion of physiciansRoutine service deliveryPrimary care roleHealth Care SurveyPublic health services
2021
Variations in Quality of Care by Sex and Social Determinants of Health Among Younger Adults With Acute Myocardial Infarction in the US and Canada
Raparelli V, Pilote L, Dang B, Behlouli H, Dziura JD, Bueno H, D’Onofrio G, Krumholz HM, Dreyer RP. Variations in Quality of Care by Sex and Social Determinants of Health Among Younger Adults With Acute Myocardial Infarction in the US and Canada. JAMA Network Open 2021, 4: e2128182. PMID: 34668947, PMCID: PMC8529414, DOI: 10.1001/jamanetworkopen.2021.28182.Peer-Reviewed Original ResearchConceptsAcute myocardial infarctionQuality of careHealth care systemYoung adultsFemale sexMyocardial infarctionCare systemHospital careSocial determinantsRetrospective cohort analysisLow qualityAdverse SDOHLowest tertileReadmission ratesMore patientsPostacute careAMI careOutpatient careCare scoresHigh prevalenceCohort analysisLarge cohortMAIN OUTCOMESDOHHospital
2020
Trends and Predictors of Use of Digital Health Technology in the United States
Mahajan S, Lu Y, Spatz ES, Nasir K, Krumholz HM. Trends and Predictors of Use of Digital Health Technology in the United States. The American Journal Of Medicine 2020, 134: 129-134. PMID: 32717188, DOI: 10.1016/j.amjmed.2020.06.033.Peer-Reviewed Original ResearchQuality of primary health care in China: challenges and recommendations
Li X, Krumholz HM, Yip W, Cheng KK, De Maeseneer J, Meng Q, Mossialos E, Li C, Lu J, Su M, Zhang Q, Xu DR, Li L, Normand ST, Peto R, Li J, Wang Z, Yan H, Gao R, Chunharas S, Gao X, Guerra R, Ji H, Ke Y, Pan Z, Wu X, Xiao S, Xie X, Zhang Y, Zhu J, Zhu S, Hu S. Quality of primary health care in China: challenges and recommendations. The Lancet 2020, 395: 1802-1812. PMID: 32505251, PMCID: PMC7272159, DOI: 10.1016/s0140-6736(20)30122-7.Peer-Reviewed Original ResearchConceptsPrimary health care systemHealth care systemPrimary health carePublic health servicesClinical careHealth servicesPrimary health care physiciansPrimary health care practitionersPrimary health care institutionsBasic public health servicesHealth care physiciansHealth careCoronavirus disease 2019Entire health care systemHealth care practitionersHigh-value careLearning health systemChronic diseasesDisease 2019Health care institutionsInfectious diseasesHealth systemCare systemCareSuboptimal educationAgile Health Care Analytics: Enabling Real-Time Disease Surveillance With a Computational Health Platform
Schulz WL, Durant T, Torre CJ, Hsiao AL, Krumholz HM. Agile Health Care Analytics: Enabling Real-Time Disease Surveillance With a Computational Health Platform. Journal Of Medical Internet Research 2020, 22: e18707. PMID: 32442130, PMCID: PMC7257473, DOI: 10.2196/18707.Peer-Reviewed Original ResearchConceptsReal-time dataHealth information technologyReal-world dataHealth platformInformation technologyCombination of technologiesReal timeSevere acute respiratory syndrome coronavirus 2Acute respiratory syndrome coronavirus 2Timely informationRespiratory syndrome coronavirus 2PlatformRespiratory tract infectionsSyndrome coronavirus 2Health care systemTract infectionsCoronavirus disease (COVID-19) outbreakIncident casesCoronavirus 2Novel applicationTechnologyAnalyticsHealth systemCare systemSpecific pathogens
2019
Population Impact of Generic Valsartan Recall
Jackevicius CA, Krumholz HM, Chong A, Koh M, Ozaki AF, Austin PC, Udell JA, Ko DT. Population Impact of Generic Valsartan Recall. Circulation 2019, 141: 411-413. PMID: 31707798, DOI: 10.1161/circulationaha.119.044494.Peer-Reviewed Original ResearchConceptsNational Ambulatory Care Reporting System databaseEmergency department visitsRegistered Persons DatabaseOntario Registered Persons DatabaseReporting System databaseHealth care systemDrug recallsSegmented regression analysisBaseline comorbiditiesOral medicationsDepartment visitsHospital admissionMedication useClinical outcomesDischarge diagnosisVital statusChronic conditionsHealthcare databasesHealth CanadaCare systemCanadian InstituteHealth informationPopulation impactPatientsRegression analysis
2018
Association of the Overall Well-being of a Population With Health Care Spending for People 65 Years of Age or Older
Riley C, Roy B, Herrin J, Spatz ES, Arora A, Kell KP, Rula EY, Krumholz HM. Association of the Overall Well-being of a Population With Health Care Spending for People 65 Years of Age or Older. JAMA Network Open 2018, 1: e182136. PMID: 30646154, PMCID: PMC6324481, DOI: 10.1001/jamanetworkopen.2018.2136.Peer-Reviewed Original ResearchConceptsMedicare FFS beneficiariesPeople 65 yearsHealth care spendingFFS beneficiariesCare spendingPopulation-based cross-sectional studyLower health care spendingHealth care system capacityCross-sectional studyHealth care systemPopulation levelPayment modelsCare payment modelsHighest quintileInverse associationStudy interventionMAIN OUTCOMEMedicare feeMedicare beneficiariesUS national studyOverall healthMedian household incomeBeing IndexCare systemDemographic characteristics
2015
Insurance and Prehospital Delay in Patients ≤55 Years With Acute Myocardial Infarction
Chen SI, Wang Y, Dreyer R, Strait KM, Spatz ES, Xu X, Smolderen KG, Desai NR, Lorenze NP, Lichtman JH, Spertus JA, D'Onofrio G, Bueno H, Masoudi FA, Krumholz HM. Insurance and Prehospital Delay in Patients ≤55 Years With Acute Myocardial Infarction. The American Journal Of Cardiology 2015, 116: 1827-1832. PMID: 26541907, PMCID: PMC5323057, DOI: 10.1016/j.amjcard.2015.09.018.Peer-Reviewed Original ResearchConceptsAcute myocardial infarctionPrehospital delayInsurance statusMyocardial infarctionSpanish patientsGender differencesHealth care systemUS patientsProspective studyUS cohortUS womenPatientsUniversal insuranceCare systemWomenSignificant gender differencesInfarctionMenInsurance groupsHoursStatusAssociationLarge proportionDifferencesCohort
2014
Big Data And New Knowledge In Medicine: The Thinking, Training, And Tools Needed For A Learning Health System
Krumholz HM. Big Data And New Knowledge In Medicine: The Thinking, Training, And Tools Needed For A Learning Health System. Health Affairs 2014, 33: 1163-1170. PMID: 25006142, PMCID: PMC5459394, DOI: 10.1377/hlthaff.2014.0053.Peer-Reviewed Original ResearchConceptsBig dataNext-generation analyticsHealth care dataNew data sourcesAdvanced analyticsData meaningLearning health systemInformation needsUnmet information needsMassive quantitiesData sourcesHealth policy makersComplexity of patientsAnalyticsLearning health care systemComparative effectiveness researchHealth care systemPopulation health researchKnowledge generationCare dataHealth systemPatientsCare systemEffectiveness researchHealth research
2013
Ethical Oversight: Serving the Best Interests of Patients
Selby JV, Krumholz HM. Ethical Oversight: Serving the Best Interests of Patients. The Hastings Center Report 2013, 43: s34-s36. PMID: 23315893, DOI: 10.1002/hast.138.Peer-Reviewed Original Research
2006
Transfers of Patient Care Between House Staff on Internal Medicine Wards: A National Survey
Horwitz LI, Krumholz HM, Green ML, Huot SJ. Transfers of Patient Care Between House Staff on Internal Medicine Wards: A National Survey. JAMA Internal Medicine 2006, 166: 1173-1177. PMID: 16772243, DOI: 10.1001/archinte.166.11.1173.Peer-Reviewed Original ResearchConceptsTransfer of careInternal medicine residency programsMedicine residency programsPatient careWork-hour regulationsResidency programsResident work hour regulationsInternal medicine wardsMain outcome measuresUS internal medicine residency programsClinical outcomesMedicine wardsPrimary teamOutcome measuresHypothetical patientsSelf-administered surveyResident physiciansCare systemCarePatient informationHouse staffHospitalizationPatientsNational surveyComprehensive transfer
1999
Cost-Effectiveness Analysis and the Treatment of Acute Coronary Syndromes
Krumholz H. Cost-Effectiveness Analysis and the Treatment of Acute Coronary Syndromes. Contemporary Cardiology 1999, 601-610. DOI: 10.1007/978-1-59259-731-4_25.Peer-Reviewed Original ResearchAcute coronary syndromeCoronary heart diseaseHealth care resourcesCost-effectiveness analysisHealth care systemHealth care expendituresCoronary syndromeCardiac eventsPharmacologic interventionsHeart diseaseEfficacious therapyCardiovascular diseaseCare resourcesNew interventionsCare expendituresCare systemHealth benefitsInterventionCare organizationsDiseaseTreatmentStandard practicePatientsHospitalSyndrome