2019
Patient-Reported Quality of Hospital Discharge Transitions: Results from the SILVER-AMI Study
Richards BG, Hajduk AM, Perry J, Krumholz HM, Khan AM, Chaudhry SI. Patient-Reported Quality of Hospital Discharge Transitions: Results from the SILVER-AMI Study. Journal Of General Internal Medicine 2019, 35: 808-814. PMID: 31654359, PMCID: PMC7080904, DOI: 10.1007/s11606-019-05414-8.Peer-Reviewed Original ResearchConceptsDays of dischargeEmergency department utilizationAcute myocardial infarctionPatient-reported qualityHospital discharge processOlder patientsAcute Myocardial Infarction StudyMyocardial Infarction StudyProspective cohort studyMedical record reviewEmergency room utilizationAdults age 75Key ResultsA totalHospital Consumer AssessmentSILVER-AMI StudyHospital discharge transitionsHigh-risk periodDesignMulti-centerCohort studyHospital dischargeMedian ageClinical outcomesRecord reviewAdverse outcomesResultsA totalP415330-Day readmission after hospitalization for heart failure in china
Li J, Bai X, Zhang L, Masoudi F, Spertus J, Krumholz H. P415330-Day readmission after hospitalization for heart failure in china. European Heart Journal 2019, 40: ehz745.0725. DOI: 10.1093/eurheartj/ehz745.0725.Peer-Reviewed Original ResearchDays of dischargeHeart failurePatient characteristicsMedian odds ratioOdds ratioChronic obstructive pulmonary diseaseIndex hospital stayObstructive pulmonary diseaseWeeks of dischargeValvular heart diseaseTransitions of careHF hospitalizationRandom hospitalsCause readmissionEligible patientsHospital stayHospitalization stayReadmission diagnosesReadmission ratesConsecutive patientsHospital readmissionMedian agePulmonary diseasePatient factorsC-statisticInstitutional Variation in Quality of Cardiovascular Implantable Electronic Device Implantation: A Cohort Study.
Ranasinghe I, Labrosciano C, Horton D, Ganesan A, Curtis JP, Krumholz HM, McGavigan A, Hossain S, Air T, Hariharaputhiran S. Institutional Variation in Quality of Cardiovascular Implantable Electronic Device Implantation: A Cohort Study. Annals Of Internal Medicine 2019, 171: 309-317. PMID: 31357210, DOI: 10.7326/m18-2810.Peer-Reviewed Original ResearchConceptsCardiovascular implantable electronic devicesComplication rateCohort studyCIED complicationsCardiovascular implantable electronic device (CIED) implantationMajor device-related complicationsDays of dischargeDevice-related complicationsProcedure-related complicationsImplantable electronic devicesPPM implantationMajor complicationsICD placementDevice implantationElective proceduresComplicationsHospitalCare qualityStudy periodPatientsAdministrative dataInstitutional variationNational averageImplantationThirty-Day Hospital Readmission After Acute Myocardial Infarction in China
Li J, Dharmarajan K, Bai X, Masoudi FA, Spertus JA, Li X, Zheng X, Zhang H, Yan X, Dreyer RP, Krumholz HM, Group F. Thirty-Day Hospital Readmission After Acute Myocardial Infarction in China. Circulation Cardiovascular Quality And Outcomes 2019, 12: e005628. PMID: 31092023, DOI: 10.1161/circoutcomes.119.005628.Peer-Reviewed Original ResearchConceptsAcute myocardial infarctionUnplanned cardiovascular readmissionsDays of dischargeMyocardial infarctionCardiovascular readmissionCause readmissionMost readmissionsLower riskFit Cox proportional hazards modelsST-segment elevation myocardial infarctionAcute Coronary Events (GRACE) scoreThirty-day hospital readmissionsDisease-specific health statusCox proportional hazards modelVentricular ejection fractionProportional hazards modelLow social supportBackground ReadmissionRecurrent anginaCardiovascular eventsHospital complicationsUnplanned readmissionIndex hospitalizationClinical factorsConsecutive patients
2016
Comparative Effectiveness of Generic Atorvastatin and Lipitor® in Patients Hospitalized with an Acute Coronary Syndrome
Jackevicius CA, Tu JV, Krumholz HM, Austin PC, Ross JS, Stukel TA, Koh M, Chong A, Ko DT. Comparative Effectiveness of Generic Atorvastatin and Lipitor® in Patients Hospitalized with an Acute Coronary Syndrome. Journal Of The American Heart Association 2016, 5: e003350. PMID: 27098970, PMCID: PMC4859299, DOI: 10.1161/jaha.116.003350.Peer-Reviewed Original ResearchConceptsGeneric atorvastatinACS hospitalizationSecondary outcomesClinical effectivenessAcute coronary syndrome hospitalizationPopulation-based cohort studyNew-onset diabetesAcute coronary syndromeDays of dischargePrespecified subgroup analysisPropensity-matched pairsInfrequent side effectsBrand-name medicationsSignificant differencesHealth care plansRecurrent ACSAdmission diagnosisAtorvastatin doseCardiovascular outcomesCoronary syndromeCohort studyRenal failureHeart failurePrimary outcomeMean age
2015
Hospital Variation in Quality of Discharge Summaries for Patients Hospitalized With Heart Failure Exacerbation
Al-Damluji MS, Dzara K, Hodshon B, Punnanithinont N, Krumholz HM, Chaudhry SI, Horwitz LI. Hospital Variation in Quality of Discharge Summaries for Patients Hospitalized With Heart Failure Exacerbation. Circulation Cardiovascular Quality And Outcomes 2015, 8: 77-86. PMID: 25587091, PMCID: PMC4303507, DOI: 10.1161/circoutcomes.114.001227.Peer-Reviewed Original ResearchConceptsDays of dischargeDischarge summary qualityDischarge summariesHeart failureHeart Failure Outcome StudyHeart failure exacerbationHospital-level variationHospital-level performanceSingle-site studyMedian hospitalHospital courseDischarge weightHospital variationVolume statusAdverse outcomesOutcome studiesConsensus conferencePatientsHospitalCare toolsPhysiciansInadequate qualityDaysExacerbationSummary
2014
Development and use of an administrative claims measure for profiling hospital-wide performance on 30-day unplanned readmission.
Horwitz LI, Partovian C, Lin Z, Grady JN, Herrin J, Conover M, Montague J, Dillaway C, Bartczak K, Suter LG, Ross JS, Bernheim SM, Krumholz HM, Drye EE. Development and use of an administrative claims measure for profiling hospital-wide performance on 30-day unplanned readmission. Annals Of Internal Medicine 2014, 161: s66-75. PMID: 25402406, PMCID: PMC4235629, DOI: 10.7326/m13-3000.Peer-Reviewed Original ResearchConceptsUnplanned readmissionReadmission measuresReadmission ratesReadmission riskMedicare feeHospital-wide readmission measureRisk-standardized readmission ratesPayer dataAdministrative Claims MeasureRisk-standardized ratesAverage-risk patientsUnplanned readmission rateDays of dischargeHospital risk-standardized readmission ratesAdult hospitalizationsComorbid conditionsPrincipal diagnosisClaims dataService claimsService beneficiariesReadmissionMeasure development studiesMedicaid ServicesRisk adjustmentHospital
2013
Hospital-Based, Acute Care Use Among Patients Within 30 Days of Discharge After Coronary Artery Bypass Surgery
Fox JP, Suter LG, Wang K, Wang Y, Krumholz HM, Ross JS. Hospital-Based, Acute Care Use Among Patients Within 30 Days of Discharge After Coronary Artery Bypass Surgery. The Annals Of Thoracic Surgery 2013, 96: 96-104. PMID: 23702228, PMCID: PMC3758868, DOI: 10.1016/j.athoracsur.2013.03.091.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAgedAged, 80 and overCaliforniaCoronary Artery BypassCoronary Artery DiseaseEmergency Service, HospitalFemaleFollow-Up StudiesHumansIntensive Care UnitsLength of StayLinear ModelsMaleMiddle AgedMorbidityPatient DischargePatient ReadmissionPostoperative ComplicationsPostoperative PeriodPrognosisRecurrenceRetrospective StudiesRisk FactorsSurvival RateTime FactorsYoung AdultConceptsDays of dischargeAcute care needsCABG surgeryED visit ratesED visitsHospital readmissionReadmission ratesCare needsCoronary artery bypass graft surgeryVisit ratesArtery bypass graft surgeryCoronary artery bypass surgeryRisk-standardized readmission ratesAcute care ratesHospital 30 daysBypass graft surgeryAcute care useArtery bypass surgeryCongestive heart failureEmergency department visitsEmergency Department DatabasesChest discomfortGraft surgeryBypass surgeryHospital volumeComprehensive quality of discharge summaries at an academic medical center
Horwitz LI, Jenq GY, Brewster UC, Chen C, Kanade S, Van Ness P, Araujo KL, Ziaeian B, Moriarty JP, Fogerty RL, Krumholz HM. Comprehensive quality of discharge summaries at an academic medical center. Journal Of Hospital Medicine 2013, 8: 436-443. PMID: 23526813, PMCID: PMC3695055, DOI: 10.1002/jhm.2021.Peer-Reviewed Original ResearchConceptsDays of dischargeDischarge summariesAcute coronary syndromeProspective cohort studyAdvanced practice nursesImproved patient outcomesAcademic medical centerDischarge summary qualityCoronary syndromeCohort studyOutpatient cliniciansHeart failureOutside physiciansPractice nursesOutpatient physiciansPatient outcomesMedical CenterConsensus conferenceJoint CommissionMedical societiesPatientsSafe transitionTotalPhysiciansDaysIncome 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
2010
Is Same-Hospital Readmission Rate a Good Surrogate for All-Hospital Readmission Rate?
Nasir K, Lin Z, Bueno H, Normand SL, Drye EE, Keenan PS, Krumholz HM. Is Same-Hospital Readmission Rate a Good Surrogate for All-Hospital Readmission Rate? Medical Care 2010, 48: 477-481. PMID: 20393366, DOI: 10.1097/mlr.0b013e3181d5fb24.Peer-Reviewed Original ResearchConceptsRisk-standardized readmission ratesHospital readmission ratesSame-hospital readmissionsSame-hospital readmission ratesDays of dischargeReadmission ratesHeart failureUS acute care hospitalsThirty-day readmissionStandard Analytic FilesAcute care hospitalsHierarchical logistic regression modelsLogistic regression modelsCause readmissionHF readmissionIndex hospitalizationCare hospitalHospital readmissionAnalytic FilesMedicare inpatientReadmissionStudy populationHospital measuresReadmission measuresHospitalization
2009
All-Cause Readmission and Repeat Revascularization After Percutaneous Coronary Intervention in a Cohort of Medicare Patients
Curtis JP, Schreiner G, Wang Y, Chen J, Spertus JA, Rumsfeld JS, Brindis RG, Krumholz HM. All-Cause Readmission and Repeat Revascularization After Percutaneous Coronary Intervention in a Cohort of Medicare Patients. Journal Of The American College Of Cardiology 2009, 54: 903-907. PMID: 19712799, DOI: 10.1016/j.jacc.2009.04.076.Peer-Reviewed Original ResearchConceptsPercutaneous coronary interventionReadmission ratesRevascularization proceduresCause readmissionCoronary interventionPCI proceduresMortality rateIndex percutaneous coronary interventionAcute myocardial infarction patientsCause readmission rateIndex PCI procedureMedian readmission rateDays of dischargeRepeat revascularization proceduresMyocardial infarction patientsNon-AMI patientsPCI patientsRepeat revascularizationRevascularization ratesPrimary outcomeInfarction patientsSuch readmissionsMedicare patientsRetrospective analysisReadmission