2023
Developing an Actionable Taxonomy of Persistent Hypertension Using Electronic Health Records
Lu Y, Du C, Khidir H, Caraballo C, Mahajan S, Spatz E, Curry L, Krumholz H. Developing an Actionable Taxonomy of Persistent Hypertension Using Electronic Health Records. Circulation Cardiovascular Quality And Outcomes 2023, 16: e009453. PMID: 36727515, DOI: 10.1161/circoutcomes.122.009453.Peer-Reviewed Original ResearchConceptsPersistent hypertensionElectronic health recordsBlood pressureHealth recordsPharmacologic agentsPrescribed treatmentYale New Haven Health SystemTreatment planAdditional pharmacologic agentsAntihypertensive treatment intensificationConsecutive outpatient visitsElevated blood pressurePersistence of hypertensionElectronic health record dataHealth record dataEligible patientsTreatment intensificationChart reviewHispanic patientsOutpatient visitsMean agePharmacological treatmentConventional content analysisHypertensionClinician notes
2022
Trends in 10-Year Outcomes Among Medicare Beneficiaries Who Survived an Acute Myocardial Infarction
Wang Y, Leifheit EC, Krumholz HM. Trends in 10-Year Outcomes Among Medicare Beneficiaries Who Survived an Acute Myocardial Infarction. JAMA Cardiology 2022, 7: 613-622. PMID: 35507330, PMCID: PMC9069341, DOI: 10.1001/jamacardio.2022.0662.Peer-Reviewed Original ResearchConceptsRecurrent acute myocardial infarctionAcute myocardial infarctionHealth priority areasLong-term outcomesCause mortalityHazard ratioWhite patientsMyocardial infarctionMedicare feeMedicare-MedicaidService beneficiariesInitial acute myocardial infarctionTen-year mortalityShort-term outcomesDemographic subgroupsEligible patientsPatient characteristicsAMI survivorsAcute periodMean ageRecurrence rateSubgroup analysisMAIN OUTCOMEMortality riskAMI admissions
2021
Changes in ST segment elevation myocardial infarction hospitalisations in China from 2011 to 2015
Zhou T, Li X, Lu Y, Murugiah K, Bai X, Hu S, Gao Y, Masoudi FA, Krumholz HM, Li J, . Changes in ST segment elevation myocardial infarction hospitalisations in China from 2011 to 2015. Open Heart 2021, 8: e001666. PMID: 34599073, PMCID: PMC8488733, DOI: 10.1136/openhrt-2021-001666.Peer-Reviewed Original ResearchConceptsST-segment elevation myocardial infarctionPrehospital delayMyocardial infarctionSegment elevation myocardial infarctionProportion of patientsElevation myocardial infarctionAcute cardiovascular careAcute myocardial infarctionWeighted national estimateHealth service capacityRisk-adjusted ratesAcute reperfusionEligible patientsHospital deathReperfusion therapyMedical chartsPatient characteristicsHospital treatmentPatient outcomesRandom cohortCardiovascular diseaseCardiovascular carePatientsNational estimatesStandardised definitionsNational Trends in the Use of Sacubitril/Valsartan
Ozaki AF, Krumholz HM, Mody FV, Jackevicius CA. National Trends in the Use of Sacubitril/Valsartan. Journal Of Cardiac Failure 2021, 27: 839-847. PMID: 34364661, DOI: 10.1016/j.cardfail.2021.05.015.Peer-Reviewed Original ResearchConceptsSacubitril/valsartanSacubitril/valsartan useReduced ejection fractionValsartan useEjection fractionHeart failurePopulation-level cohort studyNational Prescription AuditEligible patientsCohort studyPrescription patternsYounger patientsPrescription auditDosage patternClinical implicationsFurther evaluationValsartanPatientsSubstantial proportionNational trendsPrescriptionGreater increaseRecent useGreater proportionUnited States
2020
Quality of Care for Patients Hospitalized for Heart Failure in China
Gupta A, Yu Y, Tan Q, Liu S, Masoudi FA, Du X, Zhang J, Krumholz HM, Li J. Quality of Care for Patients Hospitalized for Heart Failure in China. JAMA Network Open 2020, 3: e1918619. PMID: 31913489, PMCID: PMC6991250, DOI: 10.1001/jamanetworkopen.2019.18619.Peer-Reviewed Original ResearchConceptsQuality of careHospital levelHF careEligible patientsComposite performance scoreEvidence-based β-blockersAngiotensin-converting enzyme inhibitorRetrospective cross-sectional studyVentricular ejection fraction assessmentMedian rateAngiotensin receptor blockersMedian patient ageHeart failure epidemicCross-sectional studyEjection fraction assessmentMedian odds ratioPerformance scoresHF hospitalizationReceptor blockersPatient ageHeart failureHospital admissionMedical recordsOdds ratioMAIN OUTCOME
2019
P415330-Day readmission after hospitalization for heart failure in china
Li J, Bai X, Zhang L, Masoudi F, Spertus J, Krumholz H. P415330-Day readmission after hospitalization for heart failure in china. European Heart Journal 2019, 40: ehz745.0725. DOI: 10.1093/eurheartj/ehz745.0725.Peer-Reviewed Original ResearchDays of dischargeHeart failurePatient characteristicsMedian odds ratioOdds ratioChronic obstructive pulmonary diseaseIndex hospital stayObstructive pulmonary diseaseWeeks of dischargeValvular heart diseaseTransitions of careHF hospitalizationRandom hospitalsCause readmissionEligible patientsHospital stayHospitalization stayReadmission diagnosesReadmission ratesConsecutive patientsHospital readmissionMedian agePulmonary diseasePatient factorsC-statistic
2016
The China Patient-Centred Evaluative Assessment of Cardiac Events (China PEACE)-Prospective Study of 3-Vessel Disease: rationale and design
Rao C, Bongiovanni T, Li X, Gao H, Zhang H, Li J, Zhao Y, Yuan X, Hua K, Hu S, Krumholz HM, Jiang L, Zheng Z. The China Patient-Centred Evaluative Assessment of Cardiac Events (China PEACE)-Prospective Study of 3-Vessel Disease: rationale and design. BMJ Open 2016, 6: e009743. PMID: 26880670, PMCID: PMC4762131, DOI: 10.1136/bmjopen-2015-009743.Peer-Reviewed Original ResearchConceptsComplex coronary artery diseaseCoronary artery diseaseArtery diseaseLarge cardiovascular centresCardiac eventsProspective studyCardiovascular CenterTreatment strategiesCoronary revascularisation proceduresSYNTAX score calculationThree-vessel diseaseElective coronary angiographyMedical record abstractionPatient-reported outcomesAppropriateness of treatmentQuality improvement initiativesQuality of lifeEligible patientsRevascularisation proceduresAdverse eventsGuideline adherenceHospital factorsProspective cohortSecondary preventionCoronary angiography
2015
National assessment of statin therapy for patients with acute myocardial infarction, 2001–11: insight from the China PEACE-Retrospective Acute Myocardial Infarction study
Zhang L, Li J, Li X, Nasir K, Zhang H, Wu Y, Hu S, Wang Q, Downing N, Desai N, Masoudi F, Spertus J, Krumholz H, Jiang L, Group O. National assessment of statin therapy for patients with acute myocardial infarction, 2001–11: insight from the China PEACE-Retrospective Acute Myocardial Infarction study. The Lancet 2015, 386: s42. DOI: 10.1016/s0140-6736(15)00623-6.Peer-Reviewed Original ResearchIntensive statin therapyAcute myocardial infarctionAcute Myocardial Infarction StudyStatin therapyMyocardial Infarction StudyMyocardial infarctionStatin useCardiovascular diseaseLow-density lipoprotein cholesterolStatin therapy useLong-term mortalityUse of statinsNumber of patientsTwo-stage random sampling designMultilevel logistic regression modelsCochran-Armitage testLogistic regression modelsWestern rural regionStatin regimensEligible patientsHospital mortalityLipoprotein cholesterolFamily Planning CommissionIntensive therapyTherapy useNational Quality Assessment of Early Clopidogrel Therapy in Chinese Patients With Acute Myocardial Infarction (AMI) in 2006 and 2011: Insights From the China Patient‐Centered Evaluative Assessment of Cardiac Events (PEACE)–Retrospective AMI Study
Zhang L, Desai NR, Li J, Hu S, Wang Q, Li X, Masoudi FA, Spertus JA, Nuti SV, Wang S, Krumholz HM, Jiang L, Group T. National Quality Assessment of Early Clopidogrel Therapy in Chinese Patients With Acute Myocardial Infarction (AMI) in 2006 and 2011: Insights From the China Patient‐Centered Evaluative Assessment of Cardiac Events (PEACE)–Retrospective AMI Study. Journal Of The American Heart Association 2015, 4: e001906. PMID: 26163041, PMCID: PMC4608074, DOI: 10.1161/jaha.115.001906.Peer-Reviewed Original ResearchMeSH KeywordsAgedAsian PeopleChinaClopidogrelDrug Administration ScheduleFemaleHealthcare DisparitiesHumansMaleMiddle AgedMyocardial InfarctionNational Health ProgramsPercutaneous Coronary InterventionPlatelet Aggregation InhibitorsPractice Patterns, Physicians'Quality ImprovementQuality Indicators, Health CareResidence CharacteristicsRetrospective StudiesRisk FactorsRural Health ServicesTiclopidineTime FactorsTreatment OutcomeUrban Health ServicesConceptsAcute myocardial infarctionEarly clopidogrel useClopidogrel therapyClopidogrel useRural hospitalsMyocardial infarctionQuality improvement initiativesEligible patientsClopidogrel administrationReperfusion therapyCardiac eventsHospital admissionAMI patientsChina PatientChinese patientsPatterns of useUrban hospitalPatientsClopidogrelChinese trialsHospitalTherapyEarly useAMI studyImprovement initiatives
2009
Increased Mortality among Survivors of Myocardial Infarction with Kidney Dysfunction: the Contribution of Gaps in the use of Guideline-Based Therapies
Peterson PN, Ambardekar AV, Jones PG, Krumholz HM, Schelbert E, Spertus JA, Rumsfeld JS, Masoudi FA. Increased Mortality among Survivors of Myocardial Infarction with Kidney Dysfunction: the Contribution of Gaps in the use of Guideline-Based Therapies. BMC Cardiovascular Disorders 2009, 9: 29. PMID: 19586550, PMCID: PMC2716301, DOI: 10.1186/1471-2261-9-29.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedFemaleGlomerular Filtration RateHumansKaplan-Meier EstimateKidney DiseasesMaleMiddle AgedMyocardial InfarctionPractice Guidelines as TopicProportional Hazards ModelsProspective StudiesRegistriesRisk AssessmentSeverity of Illness IndexSurvivorsTime FactorsTreatment OutcomeUnited StatesConceptsGlomerular filtration rateAcute myocardial infarctionGuideline-based medical therapyGuideline-based therapyMedical therapyKidney dysfunctionMyocardial infarctionUse of guidelinesEligible patientsRenal dysfunctionHazard ratioCox regressionPathophysiological abnormalitiesClinical variablesKidney diseaseFiltration rateNovel therapiesUS CentersHigh mortalityPatientsTherapyFurther adjustmentMortalityDysfunctionTreatment factors
2008
Mental Disorders, Quality of Care, and Outcomes Among Older Patients Hospitalized With Heart Failure: An Analysis of the National Heart Failure Project
Rathore SS, Wang Y, Druss BG, Masoudi FA, Krumholz HM. Mental Disorders, Quality of Care, and Outcomes Among Older Patients Hospitalized With Heart Failure: An Analysis of the National Heart Failure Project. JAMA Psychiatry 2008, 65: 1402-1408. PMID: 19047527, PMCID: PMC2790277, DOI: 10.1001/archpsyc.65.12.1402.Peer-Reviewed Original ResearchConceptsMental illness diagnosisACE inhibitor prescriptionHeart failureMultivariate adjustmentQuality of careIllness diagnosisInhibitor prescriptionLVEF evaluationMental illnessNational Heart Failure ProjectAngiotensin-converting enzyme inhibitorVentricular ejection fraction assessmentUS acute care hospitalsLeft ventricular ejection fraction assessmentHeart Failure ProjectAcute care hospitalsHigher crude ratesEjection fraction assessmentPopulation-based sampleEligible patientsTreatment contraindicationsCause readmissionElderly patientsOlder patientsCare hospitalAssociation of Early Follow-up After Acute Myocardial Infarction With Higher Rates of Medication Use
Daugherty SL, Ho PM, Spertus JA, Jones PG, Bach RG, Krumholz HM, Peterson ED, Rumsfeld JS, Masoudi FA. Association of Early Follow-up After Acute Myocardial Infarction With Higher Rates of Medication Use. JAMA Internal Medicine 2008, 168: 485-491. PMID: 18332293, DOI: 10.1001/archinte.168.5.485.Peer-Reviewed Original ResearchMeSH KeywordsAdrenergic beta-AntagonistsAngiotensin-Converting Enzyme InhibitorsAspirinContinuity of Patient CareEvidence-Based MedicineFemaleHumansHydroxymethylglutaryl-CoA Reductase InhibitorsMaleMiddle AgedMyocardial InfarctionPoisson DistributionProportional Hazards ModelsProspective StudiesRegistriesRegression AnalysisTreatment OutcomeConceptsAcute myocardial infarctionMedication useMyocardial infarctionMultivariable analysisEarly outpatientEvidence-based medication useProspective Registry Evaluating OutcomesSecondary analysisEarly Follow-upBeta-blocker useUse of aspirinCurrent guideline recommendationsPrimary care physiciansEvidence-based therapiesHigh rateEligible patientsStatin useClinical characteristicsHospital dischargePrimary outcomeCare physiciansGuideline recommendationsMedication prescriptionsFollow-upEvaluating Outcomes
2006
Relation Between Medicare Screening Reimbursement and Stage at Diagnosis for Older Patients With Colon Cancer
Gross CP, Andersen MS, Krumholz HM, McAvay GJ, Proctor D, Tinetti ME. Relation Between Medicare Screening Reimbursement and Stage at Diagnosis for Older Patients With Colon Cancer. JAMA 2006, 296: 2815-2822. PMID: 17179458, DOI: 10.1001/jama.296.23.2815.Peer-Reviewed Original ResearchConceptsProximal colon lesionsColon lesionsMedicare beneficiariesColon cancerColonoscopy useEnd Results-MedicareProportion of patientsUse of colonoscopyEnd Results (SEER) areasMultivariate logistic regressionReimbursement policiesColon cancer screeningColon cancer riskMultivariate Poisson regressionYears of ageReimbursement policy changesSigmoidoscopy useEligible patientsOlder patientsColorectal cancerCancer screeningPrimary diagnosisScreening modalityColon cancer diagnosisCancer riskHydroxymethylglutaryl‐CoA Reductase Inhibitors in Older Persons with Acute Myocardial Infarction: Evidence for an Age–Statin Interaction
Foody JM, Rathore SS, Galusha D, Masoudi FA, Havranek EP, Radford MJ, Krumholz HM. Hydroxymethylglutaryl‐CoA Reductase Inhibitors in Older Persons with Acute Myocardial Infarction: Evidence for an Age–Statin Interaction. Journal Of The American Geriatrics Society 2006, 54: 421-430. PMID: 16551308, PMCID: PMC2797316, DOI: 10.1111/j.1532-5415.2005.00635.x.Peer-Reviewed Original ResearchMeSH KeywordsAge FactorsAged, 80 and overAtorvastatinCholesterol, LDLDrug PrescriptionsFatty Acids, MonounsaturatedFemaleFluvastatinFollow-Up StudiesHeptanoic AcidsHumansHydroxymethylglutaryl-CoA Reductase InhibitorsIndolesLovastatinMaleMyocardial InfarctionOdds RatioPravastatinPyridinesPyrrolesRetrospective StudiesSurvival RateTreatment OutcomeConceptsAcute myocardial infarctionHydroxymethylglutaryl-CoA reductase inhibitorsStatin therapyMyocardial infarctionLower mortalityOlder personsReductase inhibitorsPrincipal discharge diagnosisAcute care hospitalsCause mortalityEligible patientsOlder patientsYounger patientsCare hospitalDischarge prescriptionsPrimary outcomeDischarge diagnosisHospital characteristicsEfficacy dataMedicare patientsMultivariable modelObservational studyPatientsStatinsDischarge statinsQuality of Care for Acute Myocardial Infarction in Elderly Patients with Alcohol‐Related Diagnoses
Fiellin DA, O'Connor PG, Wang Y, Radford MJ, Krumholz HM. Quality of Care for Acute Myocardial Infarction in Elderly Patients with Alcohol‐Related Diagnoses. Alcohol Clinical And Experimental Research 2006, 30: 70-75. PMID: 16433733, DOI: 10.1111/j.1530-0277.2006.00001.x.Peer-Reviewed Original ResearchConceptsAlcohol-related diagnosesAcute myocardial infarctionMyocardial infarctionElderly patientsEligible patientsCare measuresRetrospective cohort analysisPrincipal discharge diagnosisTime of dischargeCooperative Cardiovascular ProjectAcute care hospitalsMedical record dataQuality of careBaseline characteristicsCare hospitalPrimary outcomeDischarge diagnosisCohort analysisAlcohol abuseMedicare beneficiariesInfarctionPatientsElderly adultsAlcohol dependenceQuality care
2004
Association Between Functional Status and Use and Effectiveness of Beta‐Blocker Prophylaxis in Elderly Survivors of Acute Myocardial Infarction
Vitagliano G, Curtis JP, Concato J, Feinstein AR, Radford MJ, Krumholz HM. Association Between Functional Status and Use and Effectiveness of Beta‐Blocker Prophylaxis in Elderly Survivors of Acute Myocardial Infarction. Journal Of The American Geriatrics Society 2004, 52: 495-501. PMID: 15066062, DOI: 10.1111/j.1532-5415.2004.52153.x.Peer-Reviewed Original ResearchMeSH KeywordsActivities of Daily LivingAcute DiseaseAdrenergic beta-AntagonistsAge FactorsAgedAged, 80 and overCross-Sectional StudiesDrug PrescriptionsDrug UtilizationFemaleGeriatric AssessmentHumansLogistic ModelsMaleMultivariate AnalysisMyocardial InfarctionPatient DischargePatient SelectionPractice Patterns, Physicians'Proportional Hazards ModelsRetrospective StudiesSurvival AnalysisTreatment OutcomeUnited StatesConceptsAcute myocardial infarctionHospital dischargeFunctional impairmentElderly patientsMyocardial infarctionAcute myocardial infarction survivorsBeta-blocker prescriptionBeta-blocker prophylaxisBeta-blocker treatmentRetrospective cohort studySimilar survival benefitMain outcome measuresMyocardial infarction survivorsAcute care hospitalsEligible patientsCohort studySurvival benefitCare hospitalFunctional statusNational cohortInfarction survivorsOutcome measuresElderly survivorsPatientsCognitive impairment
2003
Patterns of Secondary Prevention in Older Patients Undergoing Coronary Artery Bypass Grafting During Hospitalization for Acute Myocardial Infarction
Foody JM, Ferdinand FD, Galusha D, Rathore SS, Masoudi FA, Havranek EP, Nilasena D, Radford MJ, Krumholz HM. Patterns of Secondary Prevention in Older Patients Undergoing Coronary Artery Bypass Grafting During Hospitalization for Acute Myocardial Infarction. Circulation 2003, 108: 24ii--28. PMID: 12970203, DOI: 10.1161/01.cir.0000087654.26917.00.Peer-Reviewed Original ResearchConceptsAcute myocardial infarctionCoronary artery bypassOlder patientsArtery bypassSecondary preventionMyocardial infarctionAggressive risk factor modificationUtilization of therapyRisk factor modificationLong-term mortalityYears of ageCABG patientsDischarge aspirinDischarge therapyEligible patientsCardiovascular eventsSurgical mortalityLipid loweringACE inhibitorsFactor modificationMedical recordsCABGPatientsEnzyme inhibitorsDisease severity
2001
Quality of care among elderly patients hospitalized with unstable angina
Shahi C, Rathore S, Wang Y, Thakur R, Wu W, Lewis J, Petrillo M, Radford M, Krumholz H. Quality of care among elderly patients hospitalized with unstable angina. American Heart Journal 2001, 142: 263-270. PMID: 11479465, DOI: 10.1067/mhj.2001.116477.Peer-Reviewed Original ResearchConceptsQuality of careMinutes of admissionUnstable anginaHealth care policyElderly patientsTherapeutic anticoagulationIntravenous heparinElectrocardiographic examinationCare policyPrescription of aspirinUse of aspirinHalf of patientsEligible patientsRisk stratificationConnecticut hospitalsElderly MedicareAnginaPatientsTherapeutic contraindicationsTherapeutic interventionsAspirinAdmissionHospitalCareAnticoagulation
1998
National Use and Effectiveness of β-Blockers for the Treatment of Elderly Patients After Acute Myocardial Infarction: National Cooperative Cardiovascular Project
Krumholz HM, Radford MJ, Wang Y, Chen J, Heiat A, Marciniak TA. National Use and Effectiveness of β-Blockers for the Treatment of Elderly Patients After Acute Myocardial Infarction: National Cooperative Cardiovascular Project. JAMA 1998, 280: 623-629. PMID: 9718054, DOI: 10.1001/jama.280.7.623.Peer-Reviewed Original ResearchConceptsBeta-blocker therapyAcute myocardial infarctionDischarge medicationsElderly patientsMyocardial infarctionPrescribed useNational Cooperative Cardiovascular ProjectBeta-blocker prescriptionRetrospective cohort studyVentricular ejection fractionLow-risk populationCalcium channel blockersCooperative Cardiovascular ProjectFamily practice physiciansBetter survival rateEligible patientsCohort studyHospital dischargeOlder patientsSecondary preventionEjection fractionMedical chartsTreatment patternsClinical variablesPotential confounders
1997
Thrombolytic Therapy for Eligible Elderly Patients With Acute Myocardial Infarction
Krumholz HM, Murillo JE, Chen J, Vaccarino V, Radford MJ, Ellerbeck EF, Wang Y. Thrombolytic Therapy for Eligible Elderly Patients With Acute Myocardial Infarction. JAMA 1997, 277: 1683-1688. PMID: 9169894, DOI: 10.1001/jama.1997.03540450039032.Peer-Reviewed Original ResearchConceptsST-segment elevationAcute myocardial infarctionThrombolytic therapyBundle branch blockMyocardial infarctionChest painElderly patientsMental statusBranch blockTotal ST-segment elevationEligible elderly patientsThrombolytic therapy useRetrospective cohort studyHours of symptomsOnset of symptomsPopulation-based sampleLack of treatmentDirect angioplastyEligible patientsAbsolute contraindicationBypass surgeryCohort studyMedical chartsTherapy useContiguous leads