2017
Implications of Coronary Artery Calcium Testing for Treatment Decisions Among Statin Candidates According to the ACC/AHA Cholesterol Management Guidelines A Cost-Effectiveness Analysis
Hong JC, Blankstein R, Shaw LJ, Padula WV, Arrieta A, Fialkow JA, Blumenthal RS, Blaha MJ, Krumholz HM, Nasir K. Implications of Coronary Artery Calcium Testing for Treatment Decisions Among Statin Candidates According to the ACC/AHA Cholesterol Management Guidelines A Cost-Effectiveness Analysis. JACC Cardiovascular Imaging 2017, 10: 938-952. PMID: 28797417, DOI: 10.1016/j.jcmg.2017.04.014.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overAmerican Heart AssociationBayes TheoremClinical Decision-MakingComputer SimulationCoronary AngiographyCoronary Artery DiseaseCoronary VesselsCost-Benefit AnalysisDecision Support TechniquesDrug CostsFemaleGuideline AdherenceHumansHydroxymethylglutaryl-CoA Reductase InhibitorsMaleMiddle AgedModels, EconomicMonte Carlo MethodMultivariate AnalysisPractice Guidelines as TopicPredictive Value of TestsQuality of LifeQuality-Adjusted Life YearsTime FactorsTreatment OutcomeUnited StatesVascular CalcificationConceptsCoronary artery calciumQuality-adjusted life yearsStatin therapyArtery calciumLong-term statin therapyAtherosclerotic cardiovascular disease eventsCholesterol management guidelinesIncremental cost-effectiveness ratioCardiovascular disease eventsAtherosclerotic cardiovascular diseaseCost-effectiveness ratioCost-effectiveness analysisStatin candidatesCholesterol managementCardiovascular diseaseTreatment decisionsAmerican CollegeDisease eventsLifetime horizonLife yearsAmerican HeartSocietal perspectiveManagement guidelinesStatinsPatientsSex Differences in Inflammatory Markers and Health Status Among Young Adults With Acute Myocardial Infarction
Lu Y, Zhou S, Dreyer RP, Spatz ES, Geda M, Lorenze NP, D'Onofrio G, Lichtman JH, Spertus JA, Ridker PM, Krumholz HM. Sex Differences in Inflammatory Markers and Health Status Among Young Adults With Acute Myocardial Infarction. Circulation Cardiovascular Quality And Outcomes 2017, 10: e003470. PMID: 28228461, PMCID: PMC5459381, DOI: 10.1161/circoutcomes.116.003470.Peer-Reviewed Original ResearchMeSH Keywords1-Alkyl-2-acetylglycerophosphocholine EsteraseAdolescentAdultAge of OnsetBiomarkersChi-Square DistributionComorbidityC-Reactive ProteinFemaleHealth Status DisparitiesHumansInflammation MediatorsLinear ModelsMaleMiddle AgedMultivariate AnalysisMyocardial InfarctionProspective StudiesRisk AssessmentRisk FactorsSex FactorsSocioeconomic FactorsUnited StatesUp-RegulationYoung AdultConceptsHigh-sensitivity C-reactive proteinAcute myocardial infarctionHigher inflammatory levelsInflammatory markersPoor health statusHealth statusYoung womenMyocardial infarctionInflammatory levelsTargeted anti-inflammatory treatmentsElevated inflammatory markersResidual cholesterol riskResidual inflammatory riskSex differencesAnti-inflammatory treatmentAnti-inflammatory therapyC-reactive proteinHigher mortality riskYoung menPhospholipase A2Years of ageCardiovascular outcomesMultivariable adjustmentPatient characteristicsSecondary prevention
2016
Sex Differences in Financial Barriers and the Relationship to Recovery After Acute Myocardial Infarction
Beckman AL, Bucholz EM, Zhang W, Xu X, Dreyer RP, Strait KM, Spertus JA, Krumholz HM, Spatz ES. Sex Differences in Financial Barriers and the Relationship to Recovery After Acute Myocardial Infarction. Journal Of The American Heart Association 2016, 5: e003923. PMID: 27742618, PMCID: PMC5121496, DOI: 10.1161/jaha.116.003923.Peer-Reviewed Original ResearchMeSH KeywordsAdultAftercareDepressionDrug CostsFemaleHealth Services AccessibilityHumansIncomeLinear ModelsMaleMedication AdherenceMiddle AgedMultivariate AnalysisMyocardial InfarctionPatient Health QuestionnaireProspective StudiesRecovery of FunctionSex FactorsSocioeconomic FactorsSpainUnited StatesConceptsAcute myocardial infarctionMyocardial infarctionFinancial barriersHealth status 12 monthsYoung adultsPost-AMI outcomesYear post-AMIYoung AMI patientsMultivariable linear regression modelsGreater depressive symptomatologyMental functional statusSex differencesClinical characteristicsYounger patientsAMI patientsPost-AMIFunctional statusWorse outcomesBaseline healthPsychosocial statusOutcomes 1Depressive symptomatologyPatientsMore womenHealth care
2014
Trends in Early Aspirin Use Among Patients With Acute Myocardial Infarction in China, 2001–2011: The China PEACE‐Retrospective AMI Study
Gao Y, Masoudi FA, Hu S, Li J, Zhang H, Li X, Desai NR, Krumholz HM, Jiang L, Group T. Trends in Early Aspirin Use Among Patients With Acute Myocardial Infarction in China, 2001–2011: The China PEACE‐Retrospective AMI Study. Journal Of The American Heart Association 2014, 3: e001250. PMID: 25304853, PMCID: PMC4323779, DOI: 10.1161/jaha.114.001250.Peer-Reviewed Original ResearchMeSH KeywordsAdultAge FactorsAgedAspirinChinaCohort StudiesConfidence IntervalsDose-Response Relationship, DrugDrug Administration ScheduleFemaleHospital MortalityHumansMaleMiddle AgedMultivariate AnalysisMyocardial InfarctionOdds RatioRetrospective StudiesRisk AssessmentRural PopulationSecondary PreventionSex FactorsSurvival AnalysisSurvival RateUrban PopulationConceptsAcute myocardial infarctionMyocardial infarctionAspirin useEarly treatmentSegment elevation acute myocardial infarctionElevation acute myocardial infarctionEarly useChina PEACE-Retrospective AMI StudyEarly aspirin therapyEarly aspirin useLimited healthcare resourcesAspirin therapyCardiogenic shockChest discomfortReperfusion therapyRate of useChina PatientRetrospective studyPatient groupFinal diagnosisHealthcare resourcesInfarctionPatientsAspirinAMI study
2013
Quality collaboratives and campaigns to reduce readmissions: What strategies are hospitals using?
Bradley EH, Sipsma H, Curry L, Mehrotra D, Horwitz LI, Krumholz H. Quality collaboratives and campaigns to reduce readmissions: What strategies are hospitals using? Journal Of Hospital Medicine 2013, 8: 601-608. PMID: 24038927, PMCID: PMC4029612, DOI: 10.1002/jhm.2076.Peer-Reviewed Original ResearchMeSH KeywordsContinuity of Patient CareCooperative BehaviorCross-Sectional StudiesHealth Care SurveysHealth Plan ImplementationHumansInformation DisseminationInternetLogistic ModelsMedication ReconciliationMultivariate AnalysisPatient DischargePatient ReadmissionQuality Assurance, Health CareQuality Indicators, Health CareUnited StatesConceptsQuality collaborativesCardiac rehabilitation servicesMultivariable logistic regressionSkilled nursing facilitiesHospital readmissionMedication reconciliationTreating physicianPatient dischargePatient referralOutpatient physiciansMultivariable modelNursing facilitiesStandard frequency analysisHospitalRehabilitation servicesWeb-based surveyReadmissionLogistic regressionQuality InitiativeHospital strategiesPhysiciansCurrent useCollaborativesPatientsSTAARDeterminants of fluoroscopy time for invasive coronary angiography and percutaneous coronary intervention: Insights from the NCDR®
Fazel R, Curtis J, Wang Y, Einstein AJ, Smith‐Bindman R, Tsai TT, Chen J, Shah ND, Krumholz HM, Nallamothu BK. Determinants of fluoroscopy time for invasive coronary angiography and percutaneous coronary intervention: Insights from the NCDR®. Catheterization And Cardiovascular Interventions 2013, 82: 1091-1105. PMID: 23703793, DOI: 10.1002/ccd.24996.Peer-Reviewed Original ResearchConceptsPercutaneous coronary interventionInvasive coronary angiographyHospital-level factorsFluoroscopy timePrior CABGCoronary interventionPrior coronary artery bypassRadiation exposureCoronary artery bypassNumerous clinical scenariosArtery bypassCathPCI RegistryPatient characteristicsCoronary angiographyPCI proceduresModifiable determinantsPatientsClinical scenariosModifiable sourceProcedure complexityCABGMinutesInterventionExposureWide variationHospital Strategies Associated With 30-Day Readmission Rates for Patients With Heart Failure
Bradley EH, Curry L, Horwitz LI, Sipsma H, Wang Y, Walsh MN, Goldmann D, White N, Piña IL, Krumholz HM. Hospital Strategies Associated With 30-Day Readmission Rates for Patients With Heart Failure. Circulation Cardiovascular Quality And Outcomes 2013, 6: 444-450. PMID: 23861483, PMCID: PMC3802532, DOI: 10.1161/circoutcomes.111.000101.Peer-Reviewed Original ResearchConceptsLower readmission ratesReadmission ratesHeart failurePrimary physicianHospital strategiesPatient's primary physicianHospital readmission ratesMultivariable linear regression modelsHospital teaching statusNational quality initiativesHospital volumeMedication reconciliationDischarge papersCommunity physiciansLocal hospitalPatientsWeb-based surveyReadmissionPhysician groupsTeaching statusHospitalElectronic summariesQuality InitiativePercentage point reductionLinear regression modelsIncome inequality and 30 day outcomes after acute myocardial infarction, heart failure, and pneumonia: retrospective cohort study
Lindenauer PK, Lagu T, Rothberg MB, Avrunin J, Pekow PS, Wang Y, Krumholz HM. Income inequality and 30 day outcomes after acute myocardial infarction, heart failure, and pneumonia: retrospective cohort study. The BMJ 2013, 346: f521. PMID: 23412830, PMCID: PMC3573180, DOI: 10.1136/bmj.f521.Peer-Reviewed Original ResearchConceptsIncome inequalityAcute myocardial infarctionUS statesRetrospective cohort studyDay of admissionHeart failureMyocardial infarctionCohort studyInequality levelsIndividual incomeGini coefficientUS acute care hospitalsHighest quarterDays of dischargeDays of hospitalizationRisk of readmissionRisk of deathPatient socioeconomic characteristicsRisk of mortalityAcute care hospitalsSocioeconomic characteristicsInequalityLogistic regression modelsCare hospitalReadmission analysis
2012
A Validated Prediction Tool for Initial Survivors of In-Hospital Cardiac Arrest
Chan PS, Spertus JA, Krumholz HM, Berg RA, Li Y, Sasson C, Nallamothu BK, Investigators F. A Validated Prediction Tool for Initial Survivors of In-Hospital Cardiac Arrest. JAMA Internal Medicine 2012, 172: 947-953. PMID: 22641228, PMCID: PMC3517176, DOI: 10.1001/archinternmed.2012.2050.Peer-Reviewed Original ResearchConceptsFavorable neurological survivalHospital cardiac arrestNeurological survivalCardiac arrestNeurological statusDerivation cohortValidation cohortInitial cardiac arrest rhythmIn-Hospital Cardiac ArrestBaseline neurological statusFavorable neurological statusGuidelines-Resuscitation registryCardiac arrest rhythmSevere neurological deficitsPulseless ventricular tachycardiaMultivariate logistic regressionSimple prediction toolRenal insufficiencyArrest rhythmNeurological deficitsHepatic insufficiencyMechanical ventilationMalignant diseaseVentricular tachycardiaInitial survivorsPhysical function and independence 1 year after myocardial infarction: Observations from the Translational Research Investigating Underlying disparities in recovery from acute Myocardial infarction: Patients' Health status registry
Dodson JA, Arnold SV, Reid KJ, Gill TM, Rich MW, Masoudi FA, Spertus JA, Krumholz HM, Alexander KP. Physical function and independence 1 year after myocardial infarction: Observations from the Translational Research Investigating Underlying disparities in recovery from acute Myocardial infarction: Patients' Health status registry. American Heart Journal 2012, 163: 790-796. PMID: 22607856, PMCID: PMC3359897, DOI: 10.1016/j.ahj.2012.02.024.Peer-Reviewed Original ResearchMeSH KeywordsActivities of Daily LivingAge FactorsAgedAngioplasty, Balloon, CoronaryAttitude to HealthCardiac CatheterizationCoronary AngiographyDepressionElectrocardiographyFemaleFollow-Up StudiesHealth SurveysHumansIncidenceIndependent LivingMaleMiddle AgedMultivariate AnalysisMyocardial InfarctionPhysical FitnessPoisson DistributionPredictive Value of TestsQuality of LifeRegistriesRisk AssessmentSickness Impact ProfileSurveys and QuestionnairesSurvivorsTime FactorsTranslational Research, BiomedicalConceptsAcute myocardial infarctionPhysical function declineFunction declinePhysical functionMyocardial infarctionHealth statusEuroQol-5DUninsured statusTime of AMIShort Form-12 Physical Component ScoreIndependence lossEnd-stage renal diseasePost-acute myocardial infarctionCardiac rehabilitation referralPhysical component scorePatients' health statusQuality of lifePoisson regression modelsTRIUMPH registryRehabilitation referralRenal diseaseNonwhite raceFemale sexRisk factorsUnmarried status
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
The relationship between systolic blood pressure on admission and mortality in older patients with heart failure
Vidán MT, Bueno H, Wang Y, Schreiner G, Ross JS, Chen J, Krumholz HM. The relationship between systolic blood pressure on admission and mortality in older patients with heart failure. European Journal Of Heart Failure 2010, 12: 148-155. PMID: 20083624, PMCID: PMC2807767, DOI: 10.1093/eurjhf/hfp195.Peer-Reviewed Original ResearchConceptsAdmission systolic blood pressureSystolic blood pressureHeart failureBlood pressureOlder patientsNational Heart Failure ProjectHigher systolic blood pressureInitial systolic blood pressureHeart Failure ProjectMultivariable logistic regressionPrevious hypertensionSBP 90Ventricular dysfunctionClinical factorsIndependent associationOdds ratioMedicare patientsMortality ratePatientsMmHgLogistic regressionMortalityAdmissionSubgroupsInverse relationship
2009
Elevated Admission Glucose and Mortality in Elderly Patients Hospitalized With Heart Failure
Kosiborod M, Inzucchi SE, Spertus JA, Wang Y, Masoudi FA, Havranek EP, Krumholz HM. Elevated Admission Glucose and Mortality in Elderly Patients Hospitalized With Heart Failure. Circulation 2009, 119: 1899-1907. PMID: 19332465, DOI: 10.1161/circulationaha.108.821843.Peer-Reviewed Original ResearchConceptsHeart failureAdmission glucoseElderly patientsDiabetes mellitusAdverse outcomesMultivariable Cox regression modelsAdmission glucose levelsElevated admission glucoseAcute myocardial infarctionCox regression modelCause mortalityMultivariable adjustmentEntire cohortGlucose controlMyocardial infarctionCardiovascular conditionsGlucose levelsLarge cohortElevated glucoseRepresentative cohortPatientsSignificant associationMortalityCohortMellitusRacial 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
2008
Factors Associated With Longer Time From Symptom Onset to Hospital Presentation for Patients With ST-Elevation Myocardial Infarction
Ting HH, Bradley EH, Wang Y, Lichtman JH, Nallamothu BK, Sullivan MD, Gersh BJ, Roger VL, Curtis JP, Krumholz HM. Factors Associated With Longer Time From Symptom Onset to Hospital Presentation for Patients With ST-Elevation Myocardial Infarction. JAMA Internal Medicine 2008, 168: 959-968. PMID: 18474760, PMCID: PMC4858313, DOI: 10.1001/archinte.168.9.959.Peer-Reviewed Original ResearchConceptsST-elevation myocardial infarctionMyocardial infarctionHospital presentationSymptom onsetPatient subgroupsRisk factorsOnset of symptomsQuality of careRace/ethnicityNational registryPatient responsivenessInfarctionPatientsReference groupSubgroupsWomenMenCareOnsetMinutesPresentationYearsHoursGeometric meanDiabeticsDelay in Presentation and Reperfusion Therapy in ST-Elevation Myocardial Infarction
Ting HH, Bradley EH, Wang Y, Nallamothu BK, Gersh BJ, Roger VL, Lichtman JH, Curtis JP, Krumholz HM. Delay in Presentation and Reperfusion Therapy in ST-Elevation Myocardial Infarction. The American Journal Of Medicine 2008, 121: 316-323. PMID: 18374691, PMCID: PMC2373574, DOI: 10.1016/j.amjmed.2007.11.017.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overAngioplasty, Balloon, CoronaryEarly DiagnosisElectrocardiographyEmergency Medical ServicesEmergency Service, HospitalFemaleFollow-Up StudiesHospital MortalityHumansMaleMiddle AgedMultivariate AnalysisMyocardial InfarctionMyocardial RevascularizationOdds RatioProbabilityRegistriesRetrospective StudiesRisk FactorsSurvival AnalysisThrombolytic TherapyTime FactorsTreatment OutcomeConceptsST-elevation myocardial infarctionReperfusion therapyHospital presentationBalloon timeSymptom onsetLonger doorMyocardial infarctionDrug timePrimary reperfusion therapyCohort studyLate presentersNeedle timeNational registryPatientsReduced likelihoodTherapyInfarctionLong delayPresentationOnsetHoursAssociationMinutesRegistryGlucometrics in Patients Hospitalized With Acute Myocardial Infarction
Kosiborod M, Inzucchi SE, Krumholz HM, Xiao L, Jones PG, Fiske S, Masoudi FA, Marso SP, Spertus JA. Glucometrics in Patients Hospitalized With Acute Myocardial Infarction. Circulation 2008, 117: 1018-1027. PMID: 18268145, DOI: 10.1161/circulationaha.107.740498.Peer-Reviewed Original ResearchThe Relationship Between Anemia, Change in Hematocrit Over Time and Change in Health Status in Patients With Heart Failure After Myocardial Infarction
Kosiborod M, Krumholz HM, Jones PG, Pitt B, Spertus JA. The Relationship Between Anemia, Change in Hematocrit Over Time and Change in Health Status in Patients With Heart Failure After Myocardial Infarction. Journal Of Cardiac Failure 2008, 14: 27-34. PMID: 18226770, DOI: 10.1016/j.cardfail.2007.09.009.Peer-Reviewed Original ResearchMeSH KeywordsAgedAnemiaCohort StudiesFemaleHealth Status IndicatorsHeart FailureHeart Function TestsHematocritHumansLinear ModelsMaleMiddle AgedMultivariate AnalysisMyocardial InfarctionProbabilityPrognosisQuality of LifeRisk AssessmentSickness Impact ProfileSurveys and QuestionnairesSurvival AnalysisTime FactorsConceptsKansas City Cardiomyopathy QuestionnaireHeart failureHealth status gainsHealth statusBaseline hematocritInitial hematocritMyocardial infarctionPatient’s initial hematocritPotential therapeutic targetHealth status assessmentMultivariable adjustmentAnemic patientsSevere anemiaSerial hematocritsHematocrit levelsPatientsTherapeutic targetHematocrit changesHematocritAnemiaInfarctionLinear regression modelsMonthsRegression modelsSignificant changesDelayed Time to Defibrillation after In-Hospital Cardiac Arrest
S. C, M. K, Graham N, K. N, Investigators T. Delayed Time to Defibrillation after In-Hospital Cardiac Arrest. New England Journal Of Medicine 2008, 358: 9-17. PMID: 18172170, DOI: 10.1056/nejmoa0706467.Peer-Reviewed Original ResearchMeSH KeywordsAgedComorbidityElectric CountershockFemaleHeart ArrestHeart FailureHospital Bed CapacityHospital MortalityHospitalizationHumansLogistic ModelsMaleMiddle AgedMultivariate AnalysisMyocardial InfarctionRetrospective StudiesSurvival AnalysisTachycardia, VentricularTime FactorsVentricular FibrillationConceptsHospital cardiac arrestCardiac arrestHospital dischargeIn-Hospital Cardiac ArrestOverall median timePulseless ventricular tachycardiaMultivariable logistic regressionLower ratesMedian timeVentricular arrhythmiasBlack raceHospital characteristicsNational registryVentricular tachycardiaCardiopulmonary resuscitationExpert guidelinesVentricular fibrillationHospital unitsLogistic regressionPatientsDefibrillationSurvivalArrestHospitalMinutes of delay
2007
Acute Noncardiac Conditions and In-Hospital Mortality in Patients With Acute Myocardial Infarction
Lichtman JH, Spertus JA, Reid KJ, Radford MJ, Rumsfeld JS, Allen NB, Masoudi FA, Weintraub WS, Krumholz HM. Acute Noncardiac Conditions and In-Hospital Mortality in Patients With Acute Myocardial Infarction. Circulation 2007, 116: 1925-1930. PMID: 17923572, DOI: 10.1161/circulationaha.107.722090.Peer-Reviewed Original ResearchConceptsAcute myocardial infarctionNoncardiac conditionsHospital mortalityMyocardial infarctionConcomitant conditionsCommon concomitant conditionsHours of admissionIn-Hospital MortalityMedical record reviewTime of admissionEvidence-based therapiesClinical characteristicsHospital admissionMultivariable analysisRecord reviewSevere pneumoniaPrognostic importanceUS CentersInfarctionDisease severityPatientsAdmissionMortalityStudy sampleMarked increase