2023
Relationship Between In-Hospital Adverse Events and Hospital Performance on 30-Day All-cause Mortality and Readmission for Patients With Heart Failure
Wang Y, Eldridge N, Metersky M, Rodrick D, Eckenrode S, Mathew J, Galusha D, Peterson A, Hunt D, Normand S, Krumholz H. Relationship Between In-Hospital Adverse Events and Hospital Performance on 30-Day All-cause Mortality and Readmission for Patients With Heart Failure. Circulation Cardiovascular Quality And Outcomes 2023, 16: e009573. PMID: 37463255, PMCID: PMC10351904, DOI: 10.1161/circoutcomes.122.009573.Peer-Reviewed Original ResearchConceptsMore adverse eventsAdverse eventsHeart failureCause mortalityReadmission ratesHigh riskMedicare Patient Safety Monitoring SystemHospital-acquired adverse eventsIn-Hospital Adverse EventsHospital adverse eventsRate of patientsPatient Safety DatabasePerformance categoriesAdverse event dataCross-sectional studyUnited States CentersHospital performanceHospital characteristicsReadmission dataPatient riskMAIN OUTCOMEPatientsWorst hospitalsHospitalHigh mortality
2017
Comparing Outcomes of Coronary Artery Bypass Grafting Among Large Teaching and Urban Hospitals in China and the United States
Zheng Z, Zhang H, Yuan X, Rao C, Zhao Y, Wang Y, Normand SL, Krumholz HM, Hu S. Comparing Outcomes of Coronary Artery Bypass Grafting Among Large Teaching and Urban Hospitals in China and the United States. Circulation Cardiovascular Quality And Outcomes 2017, 10: e003327. PMID: 28611187, PMCID: PMC5482563, DOI: 10.1161/circoutcomes.116.003327.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAgedChinaCoronary Artery BypassCoronary Artery DiseaseFemaleHealthcare DisparitiesHospital Bed CapacityHospital MortalityHospitals, High-VolumeHospitals, TeachingHospitals, UrbanHumansLength of StayMaleMiddle AgedOdds RatioPrevalenceProcess Assessment, Health CarePropensity ScoreQuality Indicators, Health CareRegistriesRisk AssessmentRisk FactorsTime FactorsTreatment OutcomeUnited StatesYoung AdultConceptsIsolated CABG surgeryCoronary artery bypassUrban hospitalHospital mortalityArtery bypassCABG surgeryChinese Cardiac Surgery RegistryTotal hospital stayCardiac Surgery RegistryCoronary artery diseaseNational Inpatient SampleLarge teachingLength of staySignificant mortality differenceHospital staySecondary outcomesArtery diseasePrimary outcomeMedian lengthComparing outcomesInpatient SampleMortality differencesHigher ageHigh mortalityHospital
2014
“Phenotyping” Hospital Value of Care for Patients with Heart Failure
Xu X, Li S, Lin H, Normand S, Kim N, Ott LS, Lagu T, Duan M, Kroch EA, Krumholz HM. “Phenotyping” Hospital Value of Care for Patients with Heart Failure. Health Services Research 2014, 49: 2000-2016. PMID: 24974769, PMCID: PMC4254136, DOI: 10.1111/1475-6773.12197.Peer-Reviewed Original ResearchConceptsLower mortalityHeart failureHeart failure hospitalizationHospital mortality rateLonger hospital stayIntensive care unitDistinct joint trajectoriesValue of careFailure hospitalizationHospital stayCare unitClinical outcomesGroup of hospitalsHospital characteristicsHospital careHospital patternsSurgical proceduresMultinomial logistic regressionMortality rateHigh mortalityHospitalHospitalizationMortalityLogistic regressionHospital ValueUsual Source of Care and Outcomes Following Acute Myocardial Infarction
Spatz ES, Sheth SD, Gosch KL, Desai MM, Spertus JA, Krumholz HM, Ross JS. Usual Source of Care and Outcomes Following Acute Myocardial Infarction. Journal Of General Internal Medicine 2014, 29: 862-869. PMID: 24553957, PMCID: PMC4026492, DOI: 10.1007/s11606-014-2794-0.Peer-Reviewed Original ResearchConceptsAcute myocardial infarctionUsual sourceMyocardial infarctionMortality rateBaseline risk factorsAcute clinical eventsMain outcome measuresAMI severityAMI patientsMultivariable analysisKey ResultsAmongClinical eventsSocio-demographic characteristicsRisk factorsOutcome measuresReadmissionHigh mortalityPatientsMortalityCareMonthsInfarctionAdultsOutcomesAssociation
2013
DISCHARGE TO A SKILLED NURSING FACILITY IS ASSOCIATED WITH HIGH MORTALITY IN ALL 50 STATES FOLLOWING HOSPITALIZATION FOR HEART FAILURE OR ACUTE MYOCARDIAL INFARCTION
Dharmarajan K, Hsieh F, Krumholz H. DISCHARGE TO A SKILLED NURSING FACILITY IS ASSOCIATED WITH HIGH MORTALITY IN ALL 50 STATES FOLLOWING HOSPITALIZATION FOR HEART FAILURE OR ACUTE MYOCARDIAL INFARCTION. Journal Of The American College Of Cardiology 2013, 61: e1507. DOI: 10.1016/s0735-1097(13)61507-7.Peer-Reviewed Original Research
2009
Increased Mortality among Survivors of Myocardial Infarction with Kidney Dysfunction: the Contribution of Gaps in the use of Guideline-Based Therapies
Peterson PN, Ambardekar AV, Jones PG, Krumholz HM, Schelbert E, Spertus JA, Rumsfeld JS, Masoudi FA. Increased Mortality among Survivors of Myocardial Infarction with Kidney Dysfunction: the Contribution of Gaps in the use of Guideline-Based Therapies. BMC Cardiovascular Disorders 2009, 9: 29. PMID: 19586550, PMCID: PMC2716301, DOI: 10.1186/1471-2261-9-29.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedFemaleGlomerular Filtration RateHumansKaplan-Meier EstimateKidney DiseasesMaleMiddle AgedMyocardial InfarctionPractice Guidelines as TopicProportional Hazards ModelsProspective StudiesRegistriesRisk AssessmentSeverity of Illness IndexSurvivorsTime FactorsTreatment OutcomeUnited StatesConceptsGlomerular filtration rateAcute myocardial infarctionGuideline-based medical therapyGuideline-based therapyMedical therapyKidney dysfunctionMyocardial infarctionUse of guidelinesEligible patientsRenal dysfunctionHazard ratioCox regressionPathophysiological abnormalitiesClinical variablesKidney diseaseFiltration rateNovel therapiesUS CentersHigh mortalityPatientsTherapyFurther adjustmentMortalityDysfunctionTreatment factorsRelationship 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
2008
The influence of age on health status outcomes after acute myocardial infarction
Ho PM, Eng MH, Rumsfeld JS, Spertus JA, Peterson PN, Jones PG, Peterson ED, Alexander KP, Havranek EP, Krumholz HM, Masoudi FA. The influence of age on health status outcomes after acute myocardial infarction. American Heart Journal 2008, 155: 855-861. PMID: 18440332, DOI: 10.1016/j.ahj.2007.11.032.Peer-Reviewed Original ResearchConceptsAcute myocardial infarctionYears of ageSurvivors of AMIHealth status outcomesOlder patientsBetter HRQLHigh mortalityMyocardial infarctionStatus outcomesSeattle Angina QuestionnaireBaseline health statusHealth-related qualityNumber of patientsInfluence of ageAngina burdenBaseline anginaAngina QuestionnaireAngina symptomsClinical characteristicsProspective cohortYounger patientsMultivariable analysisRisk factorsSpectrum of ageHRQL
2007
Socioeconomic disparities in outcomes after acute myocardial infarction
Bernheim SM, Spertus JA, Reid KJ, Bradley EH, Desai RA, Peterson ED, Rathore SS, Normand SL, Jones PG, Rahimi A, Krumholz HM. Socioeconomic disparities in outcomes after acute myocardial infarction. American Heart Journal 2007, 153: 313-319. PMID: 17239695, DOI: 10.1016/j.ahj.2006.10.037.Peer-Reviewed Original ResearchConceptsAcute myocardial infarctionBaseline clinical statusClinical factorsQuality of careLow socioeconomic statusSocioeconomic statusClinical statusMyocardial infarctionMultivariable modelingWorse clinical statusEducation levelSelf-reported household incomeCause mortalityCause rehospitalizationHazard ratioCare measuresObservational studyHousehold incomeRehospitalizationHigh riskUS hospitalsHigh mortalityPatientsMortalitySocioeconomic disparities
2006
Impact of Medication Therapy Discontinuation on Mortality After Myocardial Infarction
Ho PM, Spertus JA, Masoudi FA, Reid KJ, Peterson ED, Magid DJ, Krumholz HM, Rumsfeld JS. Impact of Medication Therapy Discontinuation on Mortality After Myocardial Infarction. JAMA Internal Medicine 2006, 166: 1842-1847. PMID: 17000940, DOI: 10.1001/archinte.166.17.1842.Peer-Reviewed Original ResearchConceptsTherapy discontinuationMyocardial infarctionEvidence-based medicationsMulticenter prospective cohortUse of aspirinMultivariable survival analysisTransitions of careDiscontinuation of useProspective registryMortality benefitProspective cohortMultivariable analysisOutpatient settingMI hospitalizationDiscontinuationMortality riskMedicationsPatientsSurvival analysisHigh mortalityMortalityTreatment factorsMonthsInfarctionAspirin
1998
Sex Differences in Mortality After Myocardial Infarction: Evidence for a Sex-Age Interaction
Vaccarino V, Horwitz RI, Meehan TP, Petrillo MK, Radford MJ, Krumholz HM. Sex Differences in Mortality After Myocardial Infarction: Evidence for a Sex-Age Interaction. JAMA Internal Medicine 1998, 158: 2054-2062. PMID: 9778206, DOI: 10.1001/archinte.158.18.2054.Peer-Reviewed Original ResearchConceptsMyocardial infarctionMortality rateAge groupsSex-age interactionOlder womenHigh mortalityHigher hospital mortality rateSex differencesAge group 75 yearsHospital mortality rateRetrospective cohort studyProcess of careYounger age groupsSame age groupHospital deathOlder patientsCohort studyConsecutive patientsPatient ageComorbid conditionsHospital characteristicsClinical severityMedical recordsConnecticut hospitalsHigher odds
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