2019
Association Between Medication Adherence and 1‐Year Major Cardiovascular Adverse Events After Acute Myocardial Infarction in China
Shang P, Liu GG, Zheng X, Ho PM, Hu S, Li J, Jiang Z, Li X, Bai X, Gao Y, Xing C, Wang Y, Normand S, Krumholz HM. Association Between Medication Adherence and 1‐Year Major Cardiovascular Adverse Events After Acute Myocardial Infarction in China. Journal Of The American Heart Association 2019, 8: e011793. PMID: 31057004, PMCID: PMC6512098, DOI: 10.1161/jaha.118.011793.Peer-Reviewed Original ResearchConceptsAcute myocardial infarctionMedication adherencePoor adherenceGood adherenceAdverse eventsMyocardial infarctionGuideline-directed medical therapyMajor cardiovascular adverse eventsCardiovascular adverse eventsCardiovascular event riskLow education levelMore comorbiditiesCardiovascular eventsCardiovascular medicationsSecondary preventionCommon medicationsMedical therapyAMI outcomesAMI patientsCommon reasonCox modelLower riskMedicationsPatientsEvent riskThirty-Day Readmission Risk Model for Older Adults Hospitalized With Acute Myocardial Infarction
Dodson JA, Hajduk AM, Murphy TE, Geda M, Krumholz HM, Tsang S, Nanna MG, Tinetti ME, Goldstein D, Forman DE, Alexander KP, Gill TM, Chaudhry SI. Thirty-Day Readmission Risk Model for Older Adults Hospitalized With Acute Myocardial Infarction. Circulation Cardiovascular Quality And Outcomes 2019, 12: e005320. PMID: 31010300, PMCID: PMC6481309, DOI: 10.1161/circoutcomes.118.005320.Peer-Reviewed Original ResearchMeSH KeywordsAge FactorsAgedAged, 80 and overFemaleGeriatric AssessmentHealth Status IndicatorsHumansMaleMyocardial InfarctionPatient AdmissionPatient ReadmissionPredictive Value of TestsProspective StudiesReproducibility of ResultsRisk AssessmentRisk FactorsTime FactorsTreatment OutcomeUnited StatesConceptsAcute myocardial infarctionReadmission risk modelFinal risk modelFunctional mobilityFunctional impairmentMyocardial infarctionOlder adultsFirst diastolic blood pressureChronic obstructive pulmonary diseaseAge-related functional impairmentsP2Y12 inhibitor useAcute kidney injuryDaily living (ADL) disabilityPatient-level factorsProspective cohort studyDiastolic blood pressureObstructive pulmonary diseasePatients of ageGeneral health statusStrongest predictorRisk modelMore comorbiditiesCause readmissionKidney injuryCohort study
2016
Trends in Drug Utilization, Glycemic Control, and Rates of Severe Hypoglycemia, 2006–2013
Lipska KJ, Yao X, Herrin J, McCoy RG, Ross JS, Steinman MA, Inzucchi SE, Gill TM, Krumholz HM, Shah ND. Trends in Drug Utilization, Glycemic Control, and Rates of Severe Hypoglycemia, 2006–2013. Diabetes Care 2016, 40: 468-475. PMID: 27659408, PMCID: PMC5360291, DOI: 10.2337/dc16-0985.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAgedBlood GlucoseComorbidityDiabetes Mellitus, Type 2Dipeptidyl-Peptidase IV InhibitorsDrug UtilizationFemaleGlycated HemoglobinHumansHypoglycemiaHypoglycemic AgentsInsulinLogistic ModelsMaleMetforminMiddle AgedRetrospective StudiesSulfonylurea CompoundsThiazolidinedionesYoung AdultConceptsGlycemic controlSevere hypoglycemiaOlder patientsDipeptidyl peptidase-4 inhibitorsGlucose-lowering drugsGlucose-lowering medicationsProportion of patientsOverall glycemic controlPeptidase-4 inhibitorsMedicare Advantage patientsSex-standardized ratesType 2 diabetesOverall rateClass of agentsMore comorbiditiesChronic comorbiditiesYounger patientsAdvantage patientsDrug utilizationClaims dataPatientsHypoglycemiaHemoglobin AT2DMComorbidities
2014
Trends in Acute Myocardial Infarction in Young Patients and Differences by Sex and Race, 2001 to 2010
Gupta A, Wang Y, Spertus JA, Geda M, Lorenze N, Nkonde-Price C, D'Onofrio G, Lichtman JH, Krumholz HM. Trends in Acute Myocardial Infarction in Young Patients and Differences by Sex and Race, 2001 to 2010. Journal Of The American College Of Cardiology 2014, 64: 337-345. PMID: 25060366, PMCID: PMC4415523, DOI: 10.1016/j.jacc.2014.04.054.Peer-Reviewed Original ResearchConceptsAcute myocardial infarctionLength of stayHospital mortalityHospitalization ratesClinical characteristicsAge groupsAMI hospitalization ratesYounger patientsMyocardial infarctionLonger LOSNationwide Inpatient Sample dataYoung womenU.S. hospital dischargesPrevalence of comorbiditiesPrincipal discharge diagnosisNational Inpatient SampleSex differencesContemporary longitudinal dataLarge national datasetMore comorbiditiesHospital dischargeDischarge diagnosisInpatient SampleMortality rateAge 30
2009
Determinants of Cardiac Catheterization Use in Older Medicare Patients With Acute Myocardial Infarction
Ko DT, Ross JS, Wang Y, Krumholz HM. Determinants of Cardiac Catheterization Use in Older Medicare Patients With Acute Myocardial Infarction. Circulation Cardiovascular Quality And Outcomes 2009, 3: 54-62. PMID: 20123672, PMCID: PMC3024143, DOI: 10.1161/circoutcomes.109.858456.Peer-Reviewed Original ResearchMeSH KeywordsAge FactorsAgedAged, 80 and overCardiac CatheterizationChi-Square DistributionComorbidityFemaleHemorrhageHospitalizationHumansLikelihood FunctionsLogistic ModelsMaleMedicareMyocardial InfarctionPatient SelectionPractice Patterns, Physicians'Risk AssessmentRisk FactorsSeverity of Illness IndexSex FactorsTime FactorsTreatment OutcomeUnited StatesConceptsAcute myocardial infarctionCardiac catheterization useCardiac catheterizationInappropriate indicationsAMI patientsAppropriate indicationsMyocardial infarctionRisk scoreCardiology/American Heart Association class IBaseline cardiovascular riskOlder Medicare patientsHigh-risk patientsDemographic factorsMore comorbiditiesCardiovascular riskOlder patientsMale sexProcedure indicationFemale sexMedicare patientsAmerican CollegeAMI admissionsMedicare feePatientsCatheterizationRelationship Between Spontaneous and Iatrogenic Hypoglycemia and Mortality in Patients Hospitalized With Acute Myocardial Infarction
Kosiborod M, Inzucchi SE, Goyal A, Krumholz HM, Masoudi FA, Xiao L, Spertus JA. Relationship Between Spontaneous and Iatrogenic Hypoglycemia and Mortality in Patients Hospitalized With Acute Myocardial Infarction. JAMA 2009, 301: 1556-1564. PMID: 19366775, DOI: 10.1001/jama.2009.496.Peer-Reviewed Original ResearchConceptsAcute myocardial infarctionInsulin therapyHospital mortalityIatrogenic hypoglycemiaHypoglycemic eventsMyocardial infarctionMortality riskGlucose-lowering therapyRetrospective cohort studySubgroup of patientsHigher mortality riskLogistic regression modelsMore comorbiditiesSubsequent hospitalizationMultivariable adjustmentCohort studyGlucose loweringGlucose controlEpisodic hypoglycemiaMAIN OUTCOMEHypoglycemiaPatientsHealth FactsHigh mortalityTherapy
2006
Trends in Acute Myocardial Infarction in 4 US States Between 1992 and 2001
Masoudi FA, Foody JM, Havranek EP, Wang Y, Radford MJ, Allman RM, Gold J, Wiblin RT, Krumholz HM. Trends in Acute Myocardial Infarction in 4 US States Between 1992 and 2001. Circulation 2006, 114: 2806-2814. PMID: 17145994, DOI: 10.1161/circulationaha.106.611707.Peer-Reviewed Original ResearchConceptsAcute myocardial infarctionAngiotensin-converting enzyme inhibitorEnzyme inhibitorsPrimary discharge diagnosisHealth system perspectiveQuality of careMore comorbiditiesClinical characteristicsDischarge diagnosisMyocardial infarctionAMI careMedicare patientsMultivariable modelTreatment criteriaMedicare populationTreatment ratesAspirinHealth impactsMortalityCarePresent studyOutcomesIndicator definitionsDiverse populationsInhibitors
1997
Functional Disability Before Myocardial Infarction in the Elderly as a Determinant of Infarction Severity and Postinfarction Mortality
Vaccarino V, Berkman LF, Mendes de Leon CF, Seeman TE, Horwitz RI, Krumholz HM. Functional Disability Before Myocardial Infarction in the Elderly as a Determinant of Infarction Severity and Postinfarction Mortality. JAMA Internal Medicine 1997, 157: 2196-2204. PMID: 9342996, DOI: 10.1001/archinte.1997.00440400046006.Peer-Reviewed Original ResearchConceptsMyocardial infarctionClinical severityFunctional disabilityElderly patientsDaily livingHigh mortalityAcute myocardial infarctionHigher clinical severityMore comorbiditiesPostinfarction mortalityHospital arrivalMI severityInfarction severityHospital treatmentHigh comorbidityRelative riskOutcome measuresCommon conditionPatientsTreatment interventionsMortalityOlder ageSeverity characteristicsSeverityConfidence intervals
1995
Aspirin in the treatment of acute myocardial infarction in elderly Medicare beneficiaries. Patterns of use and outcomes.
Krumholz H, Radford M, Ellerbeck E, Hennen J, Meehan T, Petrillo M, Wang Y, Kresowik T, Jencks S. Aspirin in the treatment of acute myocardial infarction in elderly Medicare beneficiaries. Patterns of use and outcomes. Circulation 1995, 92: 2841-7. PMID: 7586250, DOI: 10.1161/01.cir.92.10.2841.Peer-Reviewed Original ResearchConceptsAcute myocardial infarctionUse of aspirinDays of hospitalizationElderly patientsMyocardial infarctionMedicare beneficiariesHospital medical recordsElderly Medicare beneficiariesHigh-risk characteristicsPopulation-based sampleDelivery of careQuality of careAspirin therapyMore comorbiditiesAspirin useChest painAbsolute contraindicationHeart failureThrombolytic therapyPotential confoundersMedical recordsSafe treatmentEffective therapyHigh riskLower odds