2022
Identifying quality of life outcome patterns to inform treatment choices in ischemic cardiomyopathy
Mori M, Mark DB, Khera R, Lin H, Jones P, Huang C, Lu Y, Geirsson A, Velazquez EJ, Spertus JA, Krumholz HM. Identifying quality of life outcome patterns to inform treatment choices in ischemic cardiomyopathy. American Heart Journal 2022, 254: 12-22. PMID: 35932911, DOI: 10.1016/j.ahj.2022.07.007.Peer-Reviewed Original ResearchConceptsCoronary artery bypass surgeryGuideline-directed medical therapyTreatment choiceBetter outcomesIschemic cardiomyopathyQOL outcomesQoL dataKansas City Cardiomyopathy Questionnaire overall summary scoreQOL trajectoriesOutcome patternsIschemic Heart Failure (STICH) trialHeart Failure TrialMain baseline predictorsArtery bypass surgeryOverall summary scoreDifferent treatment choicesLogistic regression modelsBypass surgeryMedical therapySurgical treatmentFailure TrialLife scoresQOL scoresPatient's probabilityBaseline predictors
2021
The association of neighborhood walkability with health outcomes in older adults after acute myocardial infarction: The SILVER-AMI study
Roy B, Hajduk AM, Tsang S, Geda M, Riley C, Krumholz HM, Chaudhry SI. The association of neighborhood walkability with health outcomes in older adults after acute myocardial infarction: The SILVER-AMI study. Preventive Medicine Reports 2021, 23: 101391. PMID: 34040930, PMCID: PMC8141908, DOI: 10.1016/j.pmedr.2021.101391.Peer-Reviewed Original ResearchAcute myocardial infarctionSILVER-AMI StudyPhysical activityMental healthMyocardial infarctionNeighborhood walkabilityOlder adultsHealth outcomesSocial supportCommunity-Living AdultsSecondary outcomesCoronary diseasePrimary outcomeSF-12Longitudinal cohortPhysical therapyAdjusted modelSurvival timeBetter outcomesGreater walkabilitySurvival analysisMobility limitationsPhysical healthOutcomesAdults
2017
Urban–Rural Comparisons in Hospital Admission, Treatments, and Outcomes for ST-Segment–Elevation Myocardial Infarction in China From 2001 to 2011
Li X, Murugiah K, Li J, Masoudi FA, Chan PS, Hu S, Spertus JA, Wang Y, Downing NS, Krumholz HM, Jiang L. Urban–Rural Comparisons in Hospital Admission, Treatments, and Outcomes for ST-Segment–Elevation Myocardial Infarction in China From 2001 to 2011. Circulation Cardiovascular Quality And Outcomes 2017, 10: e003905. PMID: 29158421, PMCID: PMC6312853, DOI: 10.1161/circoutcomes.117.003905.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overChinaDisease ManagementFemaleHealthcare DisparitiesHospital MortalityHospitalizationHospitals, RuralHospitals, UrbanHumansMaleMiddle AgedOdds RatioQuality ImprovementRetrospective StudiesRural PopulationST Elevation Myocardial InfarctionSurvival RateTime FactorsUrban PopulationConceptsEvidence-based treatmentsMyocardial infarctionEnzyme inhibitors/angiotensin receptor blockersRural hospitalsST-segment elevation myocardial infarctionUrban-rural disparitiesAngiotensin receptor blockersElevation myocardial infarctionAdjusted odds ratioResource-intensive careRisk-adjusted ratesHospital deathReperfusion therapyReceptor blockersHospital admissionCardiac facilitiesPatient outcomesOdds ratioCare persistUrban hospitalΒ-blockersBetter outcomesRural careHealthcare resourcesST segment
2015
Achieving best outcomes for patients with cardiovascular disease in China by enhancing the quality of medical care and establishing a learning health-care system
Jiang L, Krumholz HM, Li X, Li J, Hu S. Achieving best outcomes for patients with cardiovascular disease in China by enhancing the quality of medical care and establishing a learning health-care system. The Lancet 2015, 386: 1493-1505. PMID: 26466053, PMCID: PMC5323019, DOI: 10.1016/s0140-6736(15)00343-8.Peer-Reviewed Original ResearchHospital variation in admission to intensive care units for patients with acute myocardial infarction
Chen R, Strait KM, Dharmarajan K, Li SX, Ranasinghe I, Martin J, Fazel R, Masoudi FA, Cooke CR, Nallamothu BK, Krumholz HM. Hospital variation in admission to intensive care units for patients with acute myocardial infarction. American Heart Journal 2015, 170: 1161-1169. PMID: 26678638, PMCID: PMC5459386, DOI: 10.1016/j.ahj.2015.09.003.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAged, 80 and overAnterior Wall Myocardial InfarctionCoronary Care UnitsHealth Care RationingHospital MortalityHumansLength of StayMaleMiddle AgedOutcome and Process Assessment, Health CarePatient AdmissionQuality ImprovementRetrospective StudiesRisk AssessmentTriageUnited StatesConceptsAcute myocardial infarctionIntensive care unitCritical care therapiesRisk-standardized mortality ratesHospital risk-standardized mortality ratesICU admissionResource-intensive settingsCare therapyAMI patientsCare unitMyocardial infarctionMortality rateAdult hospitalizationsHospital variationNinth RevisionClinical ModificationICU triageInternational ClassificationBetter outcomesPatientsHospitalAdmissionPremier databaseTherapyAppropriate use
2006
National Trends in Outcomes Among Elderly Patients with Heart Failure
Kosiborod M, Lichtman JH, Heidenreich PA, Normand SL, Wang Y, Brass LM, Krumholz HM. National Trends in Outcomes Among Elderly Patients with Heart Failure. The American Journal Of Medicine 2006, 119: 616.e1-616.e7. PMID: 16828634, DOI: 10.1016/j.amjmed.2005.11.019.Peer-Reviewed Original ResearchConceptsHeart failure managementHeart failureElderly patientsHospital readmissionFailure managementOne-year mortalityThirty-day readmissionRisk-adjusted analysisCause hospital readmissionReferent yearCause mortalityReadmissionMedicare beneficiariesBetter outcomesMortality trendsMortalityPatientsRisk adjustmentTemporal trendsNational trendsOutcomesNational sampleFailureYears
2005
Relationship Between Time of Day, Day of Week, Timeliness of Reperfusion, and In-Hospital Mortality for Patients With Acute ST-Segment Elevation Myocardial Infarction
Magid DJ, Wang Y, Herrin J, McNamara RL, Bradley EH, Curtis JP, Pollack CV, French WJ, Blaney ME, Krumholz HM. Relationship Between Time of Day, Day of Week, Timeliness of Reperfusion, and In-Hospital Mortality for Patients With Acute ST-Segment Elevation Myocardial Infarction. JAMA 2005, 294: 803-812. PMID: 16106005, DOI: 10.1001/jama.294.7.803.Peer-Reviewed Original ResearchMeSH KeywordsAdultAfter-Hours CareAgedAged, 80 and overAngioplasty, Balloon, CoronaryBenchmarkingChronology as TopicFemaleHospital MortalityHospitalsHumansMaleMiddle AgedMyocardial InfarctionMyocardial ReperfusionRegistriesRetrospective StudiesThrombolytic TherapyTime and Motion StudiesTime FactorsUnited StatesUtilization ReviewConceptsST-segment elevation myocardial infarctionPercutaneous coronary interventionElevation myocardial infarctionBalloon timeFibrinolytic therapyHospital mortalityMyocardial infarctionAcute ST-segment elevation myocardial infarctionDrug timeRegular hoursTimeliness of reperfusionIn-Hospital MortalityDay of weekPCI patientsReperfusion therapyCohort studyCoronary interventionMean doorHospital characteristicsCatheterization laboratoryBetter outcomesPatientsHospital subgroupsTherapyPatient arrivalThe Obesity Paradox: Body Mass Index and Outcomes in Patients With Heart Failure
Curtis JP, Selter JG, Wang Y, Rathore SS, Jovin IS, Jadbabaie F, Kosiborod M, Portnay EL, Sokol SI, Bader F, Krumholz HM. The Obesity Paradox: Body Mass Index and Outcomes in Patients With Heart Failure. JAMA Internal Medicine 2005, 165: 55-61. PMID: 15642875, DOI: 10.1001/archinte.165.1.55.Peer-Reviewed Original ResearchConceptsBody mass indexHeart failureDigitalis Investigation Group trialBaseline body mass indexStable heart failureStudy of patientsLean patientsObese patientsMass indexHealthy weightAdverse outcomesChronic diseasesGroup trialsGeneral populationStable outpatientsBetter outcomesPatientsOutcomesOverweightObesityOutpatientsDiseaseTrials
2003
Regional variation in the treatment and outcomes of myocardial infarction: investigating New England’s advantage
Krumholz HM, Chen J, Rathore SS, Wang Y, Radford MJ. Regional variation in the treatment and outcomes of myocardial infarction: investigating New England’s advantage. American Heart Journal 2003, 146: 242-249. PMID: 12891191, DOI: 10.1016/s0002-8703(03)00237-0.Peer-Reviewed Original ResearchMeSH KeywordsAdrenergic beta-AntagonistsAgedAngioplasty, Balloon, CoronaryAspirinCoronary Artery BypassFemaleFibrinolytic AgentsHospitalizationHumansLogistic ModelsMaleMyocardial InfarctionNew EnglandOutcome Assessment, Health CarePractice Patterns, Physicians'Quality of Health CareThrombolytic TherapyUnited StatesConceptsPractice patternsMortality rateReperfusion therapyBetter short-term outcomesMedical therapy useShort-term outcomesQuality of careHierarchical logistic regression modelsMyocardial infarction treatmentLogistic regression modelsTherapy useMyocardial infarctionHospital characteristicsPhysician characteristicsProvider characteristicsBetter outcomesInfarction treatmentPatientsMI treatmentRegional variationLow useRegional differencesAspirinHospitalTherapy
1999
Performance of the '100 top hospitals': what does the report card report?
Chen J, Radford MJ, Wang Y, Marciniak TA, Krumholz HM. Performance of the '100 top hospitals': what does the report card report? Health Affairs 1999, 18: 53-68. PMID: 10425843, DOI: 10.1377/hlthaff.18.4.53.Peer-Reviewed Original ResearchConceptsAcute myocardial infarctionElderly AMI patientsThirty-day mortalityUse of aspirinLower readmission ratesHospital peer groupsTop hospitalsReadmission ratesAMI patientsSuperior clinical performanceHospital studyMyocardial infarctionHospital costsMedicare patientsBetter outcomesHospitalBetter carePatientsClinical performanceLower lengthReperfusionInfarctionAspirinStayMortality