2024
Comparative Effectiveness of Second-Line Antihyperglycemic Agents for Cardiovascular Outcomes A Multinational, Federated Analysis of LEGEND-T2DM
Khera R, Aminorroaya A, Dhingra L, Thangaraj P, Pedroso Camargos A, Bu F, Ding X, Nishimura A, Anand T, Arshad F, Blacketer C, Chai Y, Chattopadhyay S, Cook M, Dorr D, Duarte-Salles T, DuVall S, Falconer T, French T, Hanchrow E, Kaur G, Lau W, Li J, Li K, Liu Y, Lu Y, Man K, Matheny M, Mathioudakis N, McLeggon J, McLemore M, Minty E, Morales D, Nagy P, Ostropolets A, Pistillo A, Phan T, Pratt N, Reyes C, Richter L, Ross J, Ruan E, Seager S, Simon K, Viernes B, Yang J, Yin C, You S, Zhou J, Ryan P, Schuemie M, Krumholz H, Hripcsak G, Suchard M. Comparative Effectiveness of Second-Line Antihyperglycemic Agents for Cardiovascular Outcomes A Multinational, Federated Analysis of LEGEND-T2DM. Journal Of The American College Of Cardiology 2024, 84: 904-917. PMID: 39197980, DOI: 10.1016/j.jacc.2024.05.069.Peer-Reviewed Original ResearchConceptsGLP-1 RAsSecond-line agentsGLP-1Antihyperglycemic agentsCardiovascular diseaseMACE riskGlucagon-like peptide-1 receptor agonistsSodium-glucose cotransporter 2 inhibitorsPeptide-1 receptor agonistsDipeptidyl peptidase-4 inhibitorsEffects of SGLT2isType 2 diabetes mellitusPeptidase-4 inhibitorsAdverse cardiovascular eventsCox proportional hazards modelsRandom-effects meta-analysisCardiovascular risk reductionTarget trial emulationProportional hazards modelAssociation of marital/partner status with hospital readmission among young adults with acute myocardial infarction.
Zhu C, Dreyer R, Li F, Spatz E, Caraballo C, Mahajan S, Raparelli V, Leifheit E, Lu Y, Krumholz H, Spertus J, D'Onofrio G, Pilote L, Lichtman J. Association of marital/partner status with hospital readmission among young adults with acute myocardial infarction. PLOS ONE 2024, 19: e0287949. PMID: 38277368, PMCID: PMC10817183, DOI: 10.1371/journal.pone.0287949.Peer-Reviewed Original ResearchConceptsMarital/partner statusPsychosocial factorsAcute myocardial infarctionYoung adultsHospital dischargeYear of hospital dischargeYoung acute myocardial infarctionAssociated with 1.3-foldCohort of young adultsLong-term readmissionCox proportional hazards modelsStatus interactionSimilar-aged menMyocardial infarctionProportional hazards modelUnpartnered statusPatient interviewsPhysician panelCardiovascular healthHospital readmissionSocioeconomic factorsAMI survivorsSequential adjustmentCardiac readmissionMultiple imputation
2019
Thirty-Day Hospital Readmission After Acute Myocardial Infarction in China
Li J, Dharmarajan K, Bai X, Masoudi FA, Spertus JA, Li X, Zheng X, Zhang H, Yan X, Dreyer RP, Krumholz HM, Group F. Thirty-Day Hospital Readmission After Acute Myocardial Infarction in China. Circulation Cardiovascular Quality And Outcomes 2019, 12: e005628. PMID: 31092023, DOI: 10.1161/circoutcomes.119.005628.Peer-Reviewed Original ResearchConceptsAcute myocardial infarctionUnplanned cardiovascular readmissionsDays of dischargeMyocardial infarctionCardiovascular readmissionCause readmissionMost readmissionsLower riskFit Cox proportional hazards modelsST-segment elevation myocardial infarctionAcute Coronary Events (GRACE) scoreThirty-day hospital readmissionsDisease-specific health statusCox proportional hazards modelVentricular ejection fractionProportional hazards modelLow social supportBackground ReadmissionRecurrent anginaCardiovascular eventsHospital complicationsUnplanned readmissionIndex hospitalizationClinical factorsConsecutive patients
2017
Sex Differences in 1-Year All-Cause Rehospitalization in Patients After Acute Myocardial Infarction
Dreyer RP, Dharmarajan K, Kennedy KF, Jones PG, Vaccarino V, Murugiah K, Nuti SV, Smolderen KG, Buchanan DM, Spertus JA, Krumholz HM. Sex Differences in 1-Year All-Cause Rehospitalization in Patients After Acute Myocardial Infarction. Circulation 2017, 135: 521-531. PMID: 28153989, PMCID: PMC5312975, DOI: 10.1161/circulationaha.116.024993.Peer-Reviewed Original ResearchConceptsAcute myocardial infarctionAge-sex interactionHigh riskRehospitalization ratesClinical factorsMyocardial infarctionCox proportional hazards modelSignificant age-sex interactionCause rehospitalization rateSex differencesMedical record abstractionProportional hazards modelYears of ageFirst yearTRIUMPH studyCause rehospitalizationRecord abstractionPatient interviewsRehospitalizationUS CentersHazards modelPsychosocial factorsPhysician panelHealth statusPsychosocial state
2016
Life Expectancy after Myocardial Infarction, According to Hospital Performance
Bucholz EM, Butala NM, Ma S, Normand ST, Krumholz HM. Life Expectancy after Myocardial Infarction, According to Hospital Performance. New England Journal Of Medicine 2016, 375: 1332-1342. PMID: 27705249, PMCID: PMC5118048, DOI: 10.1056/nejmoa1513223.Peer-Reviewed Original ResearchConceptsAcute myocardial infarctionRisk-standardized mortality ratesMyocardial infarctionLife expectancyMortality rateHospital performanceCooperative Cardiovascular ProjectProportional hazards modelLong-term survivalCase-mix severityLonger life expectancySurvival benefitInfarctionMedicare beneficiariesPatientsHospital case mixCase mixHospitalSurvival curvesQuintileStudy sampleSignificant differencesEarly survivalExpectancySurvivalLife Years Gained From Smoking-Cessation Counseling After Myocardial Infarction
Bucholz EM, Beckman AL, Kiefe CI, Krumholz HM. Life Years Gained From Smoking-Cessation Counseling After Myocardial Infarction. American Journal Of Preventive Medicine 2016, 52: 38-46. PMID: 27692757, PMCID: PMC5459385, DOI: 10.1016/j.amepre.2016.08.013.Peer-Reviewed Original ResearchConceptsSmoking cessation counselingAcute myocardial infarctionLong-term survival benefitLife yearsSurvival benefitMyocardial infarctionLife expectancyLower short-term mortalityHigher crude mortalityLong-term mortalityProspective cohort studyShort-term mortalityCooperative Cardiovascular ProjectProportional hazards modelLonger life expectancyCohort studyElderly patientsElderly smokersOlder smokersCrude mortalitySurvival differencesHospital characteristicsSmokersHazards modelLower mortality
2015
Excess weight and life expectancy after acute myocardial infarction: The obesity paradox reexamined
Bucholz EM, Beckman AL, Krumholz HA, Krumholz HM, conducted. B. Excess weight and life expectancy after acute myocardial infarction: The obesity paradox reexamined. American Heart Journal 2015, 172: 173-181. PMID: 26856230, PMCID: PMC5097250, DOI: 10.1016/j.ahj.2015.10.024.Peer-Reviewed Original ResearchConceptsNormal weight patientsAcute myocardial infarctionBody mass indexHigher body mass indexLong-term survivalObese patientsOverweight patientsObesity paradoxExcess weightMyocardial infarctionLife expectancyTime of AMIHigher crude mortalityTime pointsShort-term mortalityCooperative Cardiovascular ProjectMedical record studyProportional hazards modelYears of ageMorbid obesityOlder patientsSurvival benefitYounger patientsCrude mortalityBMI groups
2011
Factors Associated With 30-Day Readmission Rates After Percutaneous Coronary Intervention
Khawaja FJ, Shah ND, Lennon RJ, Slusser JP, Alkatib AA, Rihal CS, Gersh BJ, Montori VM, Holmes DR, Bell MR, Curtis JP, Krumholz HM, Ting HH. Factors Associated With 30-Day Readmission Rates After Percutaneous Coronary Intervention. JAMA Internal Medicine 2011, 172: 112-117. PMID: 22123752, PMCID: PMC3688066, DOI: 10.1001/archinternmed.2011.569.Peer-Reviewed Original ResearchMeSH KeywordsAcute Coronary SyndromeAgedAngina, UnstableAngioplasty, Balloon, CoronaryCoronary Artery BypassEducational StatusFemaleFollow-Up StudiesHeart FailureHumansIschemic Attack, TransientKidney DiseasesLength of StayMaleMedicareMultivariate AnalysisMyocardial InfarctionNeoplasm MetastasisPatient ReadmissionPeptic UlcerProportional Hazards ModelsPulmonary Disease, Chronic ObstructiveRegistriesSex FactorsStrokeUnited StatesConceptsPercutaneous coronary interventionThirty-day readmissionReadmission ratesCoronary interventionHigh riskChronic obstructive pulmonary diseaseThirty-day readmission ratesCox proportional hazards modelMultivariate logistic regression modelTransient ischemic attackCongestive heart failureObstructive pulmonary diseasePeptic ulcer diseaseSevere renal diseaseAcute myocardial infarctionLength of stayMain outcome measuresProportional hazards modelSaint Mary's HospitalLogistic regression modelsIschemic attackTime-dependent covariatesUnstable anginaCerebrovascular accidentHeart failure
2010
Discontinuation of Antihyperglycemic Therapy and Clinical Outcomes After Acute Myocardial Infarction in Older Patients With Diabetes
Lipska KJ, Wang Y, Kosiborod M, Masoudi FA, Havranek EP, Krumholz HM, Inzucchi SE. Discontinuation of Antihyperglycemic Therapy and Clinical Outcomes After Acute Myocardial Infarction in Older Patients With Diabetes. Circulation Cardiovascular Quality And Outcomes 2010, 3: 236-242. PMID: 20354220, DOI: 10.1161/circoutcomes.109.887620.Peer-Reviewed Original ResearchConceptsAcute myocardial infarctionAntihyperglycemic therapyAntihyperglycemic agentsOlder patientsMyocardial infarctionMortality rateMultivariable Cox proportional hazards modelsCox proportional hazards modelFrequency of discontinuationGlucose-lowering agentsGlucose-lowering therapyInclusion/exclusion criteriaProportional hazards modelYear of dischargeHigh mortality rateDiabetic regimenFirst rehospitalizationReadmission ratesSecondary outcomesHeart failurePrimary outcomeClinical outcomesMultivariable analysisRetrospective studyIndependent association
2007
Identifying Heart Failure Patients at High Risk for Near-Term Cardiovascular Events With Serial Health Status Assessments
Kosiborod M, Soto GE, Jones PG, Krumholz HM, Weintraub WS, Deedwania P, Spertus JA. Identifying Heart Failure Patients at High Risk for Near-Term Cardiovascular Events With Serial Health Status Assessments. Circulation 2007, 115: 1975-1981. PMID: 17420346, DOI: 10.1161/circulationaha.106.670901.Peer-Reviewed Original ResearchConceptsKansas City Cardiomyopathy QuestionnaireHeart failure outpatientsHealth status assessmentCause mortalityCardiovascular mortalityKaplan-Meier survival analysisHigh-risk patientsHeart failure patientsAcute myocardial infarctionProportional hazards modelIntensity of treatmentStatus assessmentKCCQ scoresCardiovascular deathCardiovascular eventsClinical deteriorationMultivariable adjustmentFailure patientsHeart failureOutpatient visitsMyocardial infarctionHigh riskHospitalizationPatientsCombined outcome
2006
Prediction of medical morbidity and mortality after acute myocardial infarction in patients at increased psychosocial risk in the Enhancing Recovery in Coronary Heart Disease Patients (ENRICHD) study
Jaffe AS, Krumholz HM, Catellier DJ, Freedland KE, Bittner V, Blumenthal JA, Calvin JE, Norman J, Sequeira R, O'Connor C, Rich MW, Sheps D, Wu C, Investigators F. Prediction of medical morbidity and mortality after acute myocardial infarction in patients at increased psychosocial risk in the Enhancing Recovery in Coronary Heart Disease Patients (ENRICHD) study. American Heart Journal 2006, 152: 126-135. PMID: 16824842, DOI: 10.1016/j.ahj.2005.10.004.Peer-Reviewed Original ResearchConceptsPost-MI patientsAcute myocardial infarctionMyocardial infarctionLow social supportCardiovascular mortalityEnd pointNonfatal myocardial infarctionPrimary end pointSecondary end pointsLong-term mortalityPrior myocardial infarctionSignificant multivariable predictorsProportional hazards modelSocial supportKillip classCause mortalityElevated creatinineRecurrent infarctionAdverse eventsBaseline characteristicsBypass surgeryEjection fractionHeart failureMedical morbidityMedical predictorsSerum Urea Nitrogen, Creatinine, and Estimators of Renal Function: Mortality in Older Patients With Cardiovascular Disease
Smith GL, Shlipak MG, Havranek EP, Foody JM, Masoudi FA, Rathore SS, Krumholz HM. Serum Urea Nitrogen, Creatinine, and Estimators of Renal Function: Mortality in Older Patients With Cardiovascular Disease. JAMA Internal Medicine 2006, 166: 1134-1142. PMID: 16717177, DOI: 10.1001/archinte.166.10.1134.Peer-Reviewed Original ResearchConceptsCreatinine levelsMyocardial infarctionHeart failureMDRD eGFRCardiovascular patientsSerum urea nitrogen levelsOlder cardiovascular patientsHeart failure patientsModification of DietGlomerular filtration rateUrea nitrogen levelsProportional hazards modelSerum urea nitrogenML/minMagnitude of riskRenal measuresPostdischarge mortalityRenal dysfunctionOlder patientsRenal functionFailure patientsOutcome prognosticationRetrospective cohortFiltration rateCardiovascular diseaseStatins and Mortality Among Elderly Patients Hospitalized With Heart Failure
Foody JM, Shah R, Galusha D, Masoudi FA, Havranek EP, Krumholz HM. Statins and Mortality Among Elderly Patients Hospitalized With Heart Failure. Circulation 2006, 113: 1086-1092. PMID: 16490817, DOI: 10.1161/circulationaha.105.591446.Peer-Reviewed Original ResearchConceptsHeart failureStatin therapyElderly patientsOlder patientsCoronary artery disease statusCox proportional hazards modelCurrent HF therapiesLong-term mortalityPrimary discharge diagnosisGroup of patientsTotal cholesterol levelsRandomized clinical trialsEligible Medicare beneficiariesProportional hazards modelYears of ageHF therapyStatin useClinical characteristicsDischarge diagnosisCholesterol levelsHospital characteristicsClinical trialsPhysician specialtyTeaching hospitalStatins
2005
Insulin-Sensitizing Antihyperglycemic Drugs and Mortality After Acute Myocardial Infarction
Inzucchi SE, Masoudi FA, Wang Y, Kosiborod M, Foody JM, Setaro JF, Havranek EP, Krumholz HM. Insulin-Sensitizing Antihyperglycemic Drugs and Mortality After Acute Myocardial Infarction. Diabetes Care 2005, 28: 1680-1689. PMID: 15983320, DOI: 10.2337/diacare.28.7.1680.Peer-Reviewed Original ResearchConceptsAcute myocardial infarctionYear of dischargeHeart failureAntihyperglycemic agentsMyocardial infarctionHigh riskDiabetic patientsInsulin sensitizersMultivariable Cox proportional hazards modelsCox proportional hazards modelBorderline higher riskOlder diabetic patientsRetrospective cohort studyHeart failure readmissionInsulin-sensitizing drugsProportional hazards modelFirst rehospitalizationCause readmissionCohort studySecondary outcomesDischarge prescriptionsPrimary outcomeMultivariable analysisAntihyperglycemic drugsIndependent associationThiazolidinediones, Metformin, and Outcomes in Older Patients With Diabetes and Heart Failure
Masoudi FA, Inzucchi SE, Wang Y, Havranek EP, Foody JM, Krumholz HM. Thiazolidinediones, Metformin, and Outcomes in Older Patients With Diabetes and Heart Failure. Circulation 2005, 111: 583-590. PMID: 15699279, DOI: 10.1161/01.cir.0000154542.13412.b1.Peer-Reviewed Original ResearchConceptsHeart failureInsulin-sensitizing drugsOlder patientsLower riskCox proportional hazards modelAntidiabetic drug prescriptionRetrospective cohort studyPrincipal discharge diagnosisClustering of patientsProportional hazards modelCohort studySecondary outcomesPrimary outcomeMetformin treatmentRandomized trialsThiazolidinedione treatmentDischarge diagnosisInsulin sensitizersAdverse outcomesDrug prescriptionsMultivariable modelObservational studyHospital variablesThiazolidinedione classHigh risk
2002
Sex-Based Differences in the Effect of Digoxin for the Treatment of Heart Failure
Rathore SS, Wang Y, Krumholz HM. Sex-Based Differences in the Effect of Digoxin for the Treatment of Heart Failure. New England Journal Of Medicine 2002, 347: 1403-1411. PMID: 12409542, DOI: 10.1056/nejmoa021266.Peer-Reviewed Original ResearchConceptsEffect of digoxinDepressed left ventricular systolic functionLeft ventricular systolic functionVentricular systolic functionSex-based differencesRate of deathDigoxin therapyHeart failureSystolic functionMultivariable Cox proportional hazards modelsDigitalis Investigation Group (DIG) studyDigitalis Investigation Group trialCox proportional hazards modelHeart failure variesPrimary end pointRisk of deathProportional hazards modelMantel-Haenszel testOverall mortalityTherapy differsEpidemiologic featuresMultivariable analysisClinical variablesSubgroup analysisGroup trials
2001
Quality of Medical Care and Excess Mortality in Older Patients With Mental Disorders
Druss BG, Bradford WD, Rosenheck RA, Radford MJ, Krumholz HM. Quality of Medical Care and Excess Mortality in Older Patients With Mental Disorders. JAMA Psychiatry 2001, 58: 565-572. PMID: 11386985, DOI: 10.1001/archpsyc.58.6.565.Peer-Reviewed Original ResearchMeSH KeywordsAdrenergic beta-AntagonistsAge FactorsAgedAngiotensin-Converting Enzyme InhibitorsAspirinCluster AnalysisCohort StudiesComorbidityFemaleFollow-Up StudiesHospitalizationHumansMaleMedicareMental DisordersMyocardial InfarctionMyocardial ReperfusionProportional Hazards ModelsQuality of Health CareRisk FactorsSmoking CessationVentricular Function, LeftConceptsExcess mortalityMajor affective disordersMyocardial infarctionMedical careMental disordersAffective disordersMedicare patients 65 yearsCardiac risk factorsPatients 65 yearsAcute myocardial infarctionProportional hazards modelPatient's medical carePotential confounding factorsCessation counselingOlder patientsVentricular functionAdmission characteristicsNational cohortHospital characteristicsRisk factorsHazards modelEnzyme inhibitorsConfounding factorsMortalityInfarction
2000
Long-term Outcome of Myocardial Infarction in Women and Men: A Population Perspective
Vaccarino V, Berkman LF, Krumholz HM. Long-term Outcome of Myocardial Infarction in Women and Men: A Population Perspective. American Journal Of Epidemiology 2000, 152: 965-973. PMID: 11092438, DOI: 10.1093/aje/152.10.965.Peer-Reviewed Original ResearchConceptsMyocardial infarctionSurvival advantageImpact of MIMultivariable-adjusted hazard ratiosWomen's survival advantageLong-term mortalityLong-term outcomesPresence of MIAbsence of MISurvival of personsProportional hazards modelPopulation perspectiveTime-dependent covariablesFatal infarctionHazard ratioSame followElderly cohortMI hospitalizationMI casesHazards modelGreater riskInfarctionWomenMenSurvival
1993
Coronary revascularization after myocardial infarction in the very elderly: outcomes and long-term follow-up.
Krumholz HM, Forman DE, Kuntz RE, Baim DS, Wei JY. Coronary revascularization after myocardial infarction in the very elderly: outcomes and long-term follow-up. Annals Of Internal Medicine 1993, 119: 1084-90. PMID: 8239227, DOI: 10.7326/0003-4819-119-11-199312010-00005.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overCardiac CatheterizationContraindicationsFemaleFollow-Up StudiesHemodynamicsHospital MortalityHumansMaleMiddle AgedMultivariate AnalysisMyocardial InfarctionMyocardial RevascularizationProportional Hazards ModelsQuality of LifeRetrospective StudiesSurvival AnalysisTreatment OutcomeConceptsAcute myocardial infarctionCoronary revascularizationMyocardial infarctionElderly patientsComplicated acute myocardial infarctionConsecutive patients 80 yearsCoronary artery bypass surgeryTertiary care teaching hospitalCox proportional hazards modelMedical therapy groupPatients 80 yearsRetrospective cohort studyArtery bypass surgerySevere valvular diseaseSignificant coronary diseaseInvasive cardiovascular proceduresProportional hazards modelQuality of lifeAngioplasty groupSurgery groupBypass surgeryCohort studyCardiac catheterizationCoronary diseaseSerious complications