2022
Temporal trends in postoperative and ventilator-associated pneumonia in the United States
Metersky M, Wang Y, Klompas M, Eckenrode S, Mathew J, Krumholz H. Temporal trends in postoperative and ventilator-associated pneumonia in the United States. Infection Control And Hospital Epidemiology 2022, 44: 1247-1254. PMID: 36326283, DOI: 10.1017/ice.2022.264.Peer-Reviewed Original ResearchConceptsVentilator-associated pneumoniaMajor surgical proceduresPostoperative pneumoniaAcute myocardial infarctionSurgical proceduresHeart failureMyocardial infarctionMedicare Patient Safety Monitoring SystemAnnual riskRetrospective cohort studyPrior yearRisk-adjusted ratesAdverse event measuresCohort studyRetrospective reviewPneumoniaPatientsInfarctionUnited StatesRiskSignificant changesYearsTemporal trendsFailureClinical decision support in cardiovascular medicine
Lu Y, Melnick ER, Krumholz HM. Clinical decision support in cardiovascular medicine. The BMJ 2022, 377: e059818. PMID: 35613721, DOI: 10.1136/bmj-2020-059818.Peer-Reviewed Original ResearchConceptsCardiovascular diseaseCardiovascular careEffectiveness of CDSRisk factor modificationClinical decision support toolQuality of careClinical decision supportClinical outcomesFactor modificationHealth information technologyClinical practicePatient careDiseaseCardiovascular medicineCDS effectivenessCareEffectiveness of deliveryMissed opportunityTreatmentFailureProper evidenceHealthcare processesMedicineEvidencePrevention
2018
Trends in 30-Day Readmission Rates for Medicare and Non-Medicare Patients in the Era of the Affordable Care Act
Angraal S, Khera R, Zhou S, Wang Y, Lin Z, Dharmarajan K, Desai NR, Bernheim SM, Drye EE, Nasir K, Horwitz LI, Krumholz HM. Trends in 30-Day Readmission Rates for Medicare and Non-Medicare Patients in the Era of the Affordable Care Act. The American Journal Of Medicine 2018, 131: 1324-1331.e14. PMID: 30016636, PMCID: PMC6380174, DOI: 10.1016/j.amjmed.2018.06.013.Peer-Reviewed Original ResearchConceptsHospital Readmissions Reduction ProgramReadmission ratesAcute myocardial infarctionHeart failurePatient groupMyocardial infarctionCause readmission rateNationwide Readmissions DatabaseReadmissions Reduction ProgramNon-Medicare patientsNon-target conditionsLower readmissionAffordable Care ActMedicare beneficiariesAge groupsPrivate insuranceCare ActPneumoniaInfarctionPatientsReduction programsMedicareGroupReadmissionFailure
2017
Prediction of Adverse Events in Patients Undergoing Major Cardiovascular Procedures
Mortazavi B, Desai N, Zhang J, Coppi A, Warner F, Krumholz H, Negahban S. Prediction of Adverse Events in Patients Undergoing Major Cardiovascular Procedures. IEEE Journal Of Biomedical And Health Informatics 2017, 21: 1719-1729. PMID: 28287993, DOI: 10.1109/jbhi.2017.2675340.Peer-Reviewed Original ResearchConceptsMajor cardiovascular proceduresElectronic health recordsRespiratory failureAdverse eventsCardiovascular proceduresYale-New Haven HospitalPostoperative respiratory failurePatient cohortHospital costsPatient outcomesSpecific patientPatientsHealth recordsCohort-specific modelsCharacteristic curveInfectionFailureHospitalCohortClinicians
2014
National Trends in Patient Safety for Four Common Conditions, 2005–2011
Wang Y, Eldridge N, Metersky ML, Verzier NR, Meehan TP, Pandolfi MM, Foody JM, Ho SY, Galusha D, Kliman RE, Sonnenfeld N, Krumholz HM, Battles J. National Trends in Patient Safety for Four Common Conditions, 2005–2011. New England Journal Of Medicine 2014, 370: 341-351. PMID: 24450892, PMCID: PMC4042316, DOI: 10.1056/nejmsa1300991.Peer-Reviewed Original ResearchConceptsCongestive heart failureAcute myocardial infarctionMore adverse eventsProportion of patientsAdverse event ratesAdverse eventsHeart failureMyocardial infarctionRate of occurrenceCommon medical conditionsMedical recordsMedicare patientsMedical conditionsPatientsSurgeryInfarctionPneumoniaHospitalizationPatient safetyNational trendsMonitoring System dataSignificant declineFailureProportionRate
2013
Patterns of Change in Nesiritide Use in Patients With Heart Failure How Hospitals React to New Information
Partovian C, Li SX, Xu X, Lin H, Strait KM, Hwa J, Krumholz HM. Patterns of Change in Nesiritide Use in Patients With Heart Failure How Hospitals React to New Information. JACC Heart Failure 2013, 1: 318-324. PMID: 24621935, PMCID: PMC5322944, DOI: 10.1016/j.jchf.2013.04.005.Peer-Reviewed Original ResearchConceptsHeart failureNesiritide useHospital characteristicsHospital groupDecompensated heart failureProportion of hospitalizationsPatterns of changeMultivariate regression analysisPatient characteristicsEarly reliefHospital patternsHospitalTeaching statusPremier databaseMedical evidenceHospitalizationPatientsRegression analysisSafety concernsLow usersUse ratesGroupFailureFurther researchDyspneaRelationship Between Hospital Readmission and Mortality Rates for Patients Hospitalized With Acute Myocardial Infarction, Heart Failure, or Pneumonia
Krumholz HM, Lin Z, Keenan PS, Chen J, Ross JS, Drye EE, Bernheim SM, Wang Y, Bradley EH, Han LF, Normand SL. Relationship Between Hospital Readmission and Mortality Rates for Patients Hospitalized With Acute Myocardial Infarction, Heart Failure, or Pneumonia. JAMA 2013, 309: 587-593. PMID: 23403683, PMCID: PMC3621028, DOI: 10.1001/jama.2013.333.Peer-Reviewed Original ResearchConceptsRisk-standardized mortality ratesAcute myocardial infarctionRisk-standardized readmission ratesHospital risk-standardized mortality ratesHeart failureMyocardial infarctionHospital characteristicsMortality rateReadmission ratesProportion of hospitalsHospital readmissionMedicare feePneumoniaInfarctionService beneficiariesHospitalPatientsMedicaid ServicesHospital performanceSubgroupsFailureCauseReadmissionSignificant negative linear relationship
2009
Mortality and Readmission for Patients With Heart Failure Among U.S. News & World Report’s Top Heart Hospitals
Mulvey GK, Wang Y, Lin Z, Wang OJ, Chen J, Keenan PS, Drye EE, Rathore SS, Normand SL, Krumholz HM. Mortality and Readmission for Patients With Heart Failure Among U.S. News & World Report’s Top Heart Hospitals. Circulation Cardiovascular Quality And Outcomes 2009, 2: 558-565. PMID: 20031893, DOI: 10.1161/circoutcomes.108.826784.Peer-Reviewed Original ResearchConceptsRisk-standardized mortality ratesRisk-standardized readmission ratesReadmission ratesHeart failureMortality rateBest HospitalsAmerica's Best HospitalsMedical administrative dataReadmission analysisHeart HospitalHeart surgeryCardiac conditionsPatientsHospitalMortality analysisReadmissionAdministrative dataHierarchical regression modelsWorld ReportRegression modelsFailureReportSurgeryMortalityRatePatterns of Hospital Performance in Acute Myocardial Infarction and Heart Failure 30-Day Mortality and Readmission
Krumholz HM, Merrill AR, Schone EM, Schreiner GC, Chen J, Bradley EH, Wang Y, Wang Y, Lin Z, Straube BM, Rapp MT, Normand SL, Drye EE. Patterns of Hospital Performance in Acute Myocardial Infarction and Heart Failure 30-Day Mortality and Readmission. Circulation Cardiovascular Quality And Outcomes 2009, 2: 407-413. PMID: 20031870, DOI: 10.1161/circoutcomes.109.883256.Peer-Reviewed Original ResearchConceptsAcute myocardial infarctionHeart failureReadmission ratesMyocardial infarctionMortality rateRisk-standardized mortality ratesAge 65 yearsRisk-standardized mortalityHospital referral regionsHospital structural characteristicsType of hospitalHospital performancePrimary diagnosisHospital characteristicsReferral regionsMedicare feeMortalityMedicaid ServicesInfarctionHospitalGeographic differencesReadmissionFailureDiagnosis
2007
Failure to Rescue
Horwitz LI, Cuny JF, Cerese J, Krumholz HM. Failure to Rescue. Medical Care 2007, 45: 283-287. PMID: 17496710, DOI: 10.1097/01.mlr.0000250226.33094.d4.Peer-Reviewed Original ResearchConceptsChart reviewQuality Patient Safety IndicatorsRetrospective chart reviewPatient safety indicatorsRate of deathAdministrative dataHospital complicationsComplication typePatient agePatient characteristicsPrimary outcomeNonsurgical casesInsurance statusComplicationsHealthcare ResearchPatientsMortalityConsortium institutionsAgeSafety indicatorsFailureReviewHospitalizationAdmissionCasesMeasuring Performance For Treating Heart Attacks And Heart Failure: The Case For Outcomes Measurement
Krumholz HM, Normand SL, Spertus JA, Shahian DM, Bradley EH. Measuring Performance For Treating Heart Attacks And Heart Failure: The Case For Outcomes Measurement. Health Affairs 2007, 26: 75-85. PMID: 17211016, DOI: 10.1377/hlthaff.26.1.75.Peer-Reviewed Original Research
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
Physician specialty and mortality among elderly patients hospitalized with heart failure
Foody JM, Rathore SS, Wang Y, Herrin J, Masoudi FA, Havranek EP, Krumholz HM. Physician specialty and mortality among elderly patients hospitalized with heart failure. The American Journal Of Medicine 2005, 118: 1120-1125. PMID: 16194643, DOI: 10.1016/j.amjmed.2005.01.075.Peer-Reviewed Original ResearchConceptsHeart failureFamily physiciansGeneral physiciansSpecialty careDay of admissionCause mortalityCardiology consultationElderly patientsPrimary outcomePhysician specialtyMedicare beneficiariesMortality ratePatientsCardiologistsPhysiciansMortalityInternistsCareOutcomesConsultationFailureDaysSpecialtiesAdmission77 ADMISSION BODY TEMPERATURE AND MORTALITY IN PATIENTS HOSPITALIZED FOR HEART FAILURE
Nallamothu B, Payvar S, Wang Y, Kosiborod M, Foody J, Masoudi F, Havranek E, Casscells S, Krumholz H. 77 ADMISSION BODY TEMPERATURE AND MORTALITY IN PATIENTS HOSPITALIZED FOR HEART FAILURE. Journal Of Investigative Medicine 2005, 53: s400. DOI: 10.2310/6650.2005.00205.76.Peer-Reviewed Original ResearchOne-year mortalityAdmission body temperatureHeart failureWorse survivalBody temperatureLow body temperatureLogistic regressionPatients 65 yearsAdvanced heart failurePATIENTS HOSPITALIZEDHospital deathMultivariate adjustmentPatient subgroupsIndependent associationClinical dataStudy populationPatientsPolynomial logistic regressionCare ProjectMortalityHospitalSurvivalFailureSignificant relationshipHospitalized
2004
The association of 6-minute walk performance and outcomes in stable outpatients with heart failure
Curtis J, Rathore S, Wang Y, Krumholz H. The association of 6-minute walk performance and outcomes in stable outpatients with heart failure. Journal Of Cardiac Failure 2004, 10: 9-14. DOI: 10.1016/j.cardfail.2003.08.010.Peer-Reviewed Original ResearchHeart failureWalk testStable outpatientsDigitalis Investigation Group trialRisk of deathCause mortalityIdentifies patientsMultivariable analysisPrognostic valuePrognostic informationGroup trialsWalk performancePatientsTest distanceMortalityDeathOutpatientsOutcomesFailureAssociationBackgroundWeTrialsMonthsThe association of 6-minute walk performance and outcomes in stable outpatients with heart failure.
Curtis JP, Rathore SS, Wang Y, Krumholz HM. The association of 6-minute walk performance and outcomes in stable outpatients with heart failure. Journal Of Cardiac Failure 2004, 10: 9-14. PMID: 14966769, DOI: 10.1016/s1071-9164(03)00705-x.Peer-Reviewed Original Research
2002
Future Challenges in Quality Improvement in Heart Failure
Havranek EP, Masoudi FA, Ralston DL, Susman NJ, Krumholz HM, Taylor JP. Future Challenges in Quality Improvement in Heart Failure. Congestive Heart Failure 2002, 8: 342-345. PMID: 12461325, DOI: 10.1111/j.1527-5299.2002.01454.x.Peer-Reviewed Original ResearchConceptsNational Heart Failure ProjectHeart Failure ProjectHeart failureHeart Failure Practice Improvement EffortFuture quality improvement initiativesHeart failure carePractice improvement effortsQuality improvement initiativesMedicaid Services InitiativeMedicare beneficiariesImprovement initiativesYears of experienceFailure ProjectCareImprovement effortsService initiativesFailureβ-Blockers in Heart Failure: Clinical Applications
Farrell MH, Foody JM, Krumholz HM. β-Blockers in Heart Failure: Clinical Applications. JAMA 2002, 287: 890-897. PMID: 11851583, DOI: 10.1001/jama.287.7.890.Peer-Reviewed Original ResearchConceptsHeart failureLeft ventricular systolic dysfunctionVentricular systolic dysfunctionHeart failure patientsQuality of careSeries of casesSystolic dysfunctionFailure patientsPatient selectionConsensus guidelinesFluid statusΒ-blockersPatientsScientific evidenceClinical applicationCareGuidelinesSafetyMorbidityFailureDysfunctionTherapyMortalityThe Burden of Chronic Congestive Heart Failure in Older Persons: Magnitude and Implications for Policy and Research
Masoudi FA, Havranek EP, Krumholz HM. The Burden of Chronic Congestive Heart Failure in Older Persons: Magnitude and Implications for Policy and Research. Heart Failure Reviews 2002, 7: 9-16. PMID: 11790919, DOI: 10.1023/a:1013793621248.Peer-Reviewed Original ResearchConceptsHeart failureOlder populationChronic congestive heart failureOlder personsPoor long-term survivalMore hospital admissionsCongestive heart failureLong-term survivalHospital admissionHigh riskFailureSingle conditionPopulationPersonsHospitalizationAdmissionDearth of researchYearsDiagnosisMonthsRandomized trial of an education and support intervention to preventreadmission of patients with heart failure
Krumholz HM, Amatruda J, Smith GL, Mattera JA, Roumanis SA, Radford MJ, Crombie P, Vaccarino V. Randomized trial of an education and support intervention to preventreadmission of patients with heart failure. Journal Of The American College Of Cardiology 2002, 39: 83-89. PMID: 11755291, DOI: 10.1016/s0735-1097(01)01699-0.Peer-Reviewed Original ResearchConceptsHeart failureSupport interventionsIntervention groupControl groupHospital readmission costsOne-year readmissionRate of readmissionAdverse clinical outcomesCost of careDisease management programsReadmission costsClinical outcomesHospital costsReadmissionLower riskPatientsOne-yearDemographic characteristicsInterventionTrialsGroupFormal educationTotal numberMedical componentsFailure