2018
Admission diagnoses among patients with heart failure: Variation by ACO performance on a measure of risk-standardized acute admission rates
Benchetrit L, Zimmerman C, Bao H, Dharmarajan K, Altaf F, Herrin J, Lin Z, Krumholz HM, Drye EE, Lipska KJ, Spatz ES. Admission diagnoses among patients with heart failure: Variation by ACO performance on a measure of risk-standardized acute admission rates. American Heart Journal 2018, 207: 19-26. PMID: 30404047, DOI: 10.1016/j.ahj.2018.09.006.Peer-Reviewed Original ResearchMeSH KeywordsAccountable Care OrganizationsAgedAlgorithmsAnalysis of VarianceCardiovascular DiseasesComorbidityFemaleHeart FailureHospitalizationHumansInternational Classification of DiseasesMaleMedicare Part AMedicare Part BPatient AdmissionPatient DischargePatient-Centered CareSex DistributionTime FactorsUnited StatesConceptsHeart failureAccountable care organizationsMean admission rateAdmission ratesAdmission typeAcute admission ratesNoncardiovascular conditionsAdmission diagnosisCause admission ratesMedicare Shared Savings Program Accountable Care OrganizationsRate of hospitalizationPrincipal discharge diagnosisProportion of admissionsType of admissionNoncardiovascular causesHF admissionsHF patientsPerson yearsDischarge diagnosisPatient populationPatientsAdmissionKey quality metricDiagnosisSubstantial proportion
2017
Sex Differences in Trajectories of Risk After Rehospitalization for Heart Failure, Acute Myocardial Infarction, or Pneumonia
Dreyer RP, Dharmarajan K, Hsieh AF, Welsh J, Qin L, Krumholz HM. Sex Differences in Trajectories of Risk After Rehospitalization for Heart Failure, Acute Myocardial Infarction, or Pneumonia. Circulation Cardiovascular Quality And Outcomes 2017, 10: e003271. PMID: 28506980, PMCID: PMC5650228, DOI: 10.1161/circoutcomes.116.003271.Peer-Reviewed Original ResearchConceptsAcute myocardial infarctionMyocardial infarctionHeart failureReadmission riskDaily riskImmediate postdischarge periodRisk of rehospitalizationSex differencesDeath 1 yearPrincipal discharge diagnosisHospitalization of patientsAssociation of sexRehospitalization riskPostdischarge periodDischarge diagnosisMedicare patientsHigh riskMortality riskMedicare feeTrajectories of riskRehospitalizationInfarctionService beneficiariesHospitalizationPneumonia
2013
National Trends in Heart Failure Hospital Stay Rates, 2001 to 2009
Chen J, Dharmarajan K, Wang Y, Krumholz HM. National Trends in Heart Failure Hospital Stay Rates, 2001 to 2009. Journal Of The American College Of Cardiology 2013, 61: 1078-1088. PMID: 23473413, PMCID: PMC3939721, DOI: 10.1016/j.jacc.2012.11.057.Peer-Reviewed Original ResearchConceptsHospital stay ratesLength of stayHF hospital stayHospital mortalityYears of ageHospital stayPatients 18Stay ratesNational Inpatient Sample dataU.S. hospital dischargesPatients 65 yearsPrimary discharge diagnosisSignificant declineOlder Medicare beneficiariesNational Inpatient SampleBlack menLarge national datasetHospital dischargeOlder patientsPatients 55Younger patientsDischarge diagnosisInpatient SampleMedicare beneficiariesAge 65