2016
Association of Admission to Veterans Affairs Hospitals vs Non–Veterans Affairs Hospitals With Mortality and Readmission Rates Among Older Men Hospitalized With Acute Myocardial Infarction, Heart Failure, or Pneumonia
Nuti SV, Qin L, Rumsfeld JS, Ross JS, Masoudi FA, Normand SL, Murugiah K, Bernheim SM, Suter LG, Krumholz HM. Association of Admission to Veterans Affairs Hospitals vs Non–Veterans Affairs Hospitals With Mortality and Readmission Rates Among Older Men Hospitalized With Acute Myocardial Infarction, Heart Failure, or Pneumonia. JAMA 2016, 315: 582-592. PMID: 26864412, PMCID: PMC5459395, DOI: 10.1001/jama.2016.0278.Peer-Reviewed Original ResearchConceptsAcute myocardial infarctionNon-VA hospitalsReadmission ratesHeart failureVA hospitalsMortality rateVeterans AffairsMyocardial infarctionOlder menMedicare Standard Analytic FilesRisk-standardized mortality ratesCause readmission rateCause mortality ratesHigher readmission ratesStandard Analytic FilesVeterans Affairs hospitalRisk-standardized readmission ratesAdministrative claims dataAcute care hospitalsAssociation of admissionLittle contemporary informationLower mortality rateCross-sectional analysisAnalysis cohortCare hospital
2015
Predictors and outcomes of unplanned readmission to a different hospital
Kim H, Hung WW, Paik MC, Ross JS, Zhao Z, Kim GS, Boockvar K. Predictors and outcomes of unplanned readmission to a different hospital. International Journal For Quality In Health Care 2015, 27: 513-519. PMID: 26472739, PMCID: PMC4665363, DOI: 10.1093/intqhc/mzv082.Peer-Reviewed Original ResearchConceptsDifferent-hospital readmissionsReadmission groupAcute care hospitalsDifferent hospitalsUnplanned readmissionCare hospitalSame hospitalThirty-day unplanned readmissionsPercent of patientsSame-hospital readmissionsBetter care coordinationHospital deathIndex dischargeIndex hospitalCare coordinationHospital costsReadmissionHigher oddsMAIN OUTCOMEPatientsHealth outcomesCost outcomesHospitalSecondary analysisOutcomesDevelopment and Validation of an Algorithm to Identify Planned Readmissions From Claims Data
Horwitz LI, Grady JN, Cohen DB, Lin Z, Volpe M, Ngo CK, Masica AL, Long T, Wang J, Keenan M, Montague J, Suter LG, Ross JS, Drye EE, Krumholz HM, Bernheim SM. Development and Validation of an Algorithm to Identify Planned Readmissions From Claims Data. Journal Of Hospital Medicine 2015, 10: 670-677. PMID: 26149225, PMCID: PMC5459369, DOI: 10.1002/jhm.2416.Peer-Reviewed Original ResearchConceptsSame-hospital readmissionsNegative predictive valuePositive predictive valuePredictive valueReadmission measuresHospital-wide readmission measureGold standard chart reviewAdministrative claims-based algorithmDiagnostic cardiac catheterizationClaims-based algorithmLarge teaching centersAcute care hospitalsSmall community hospitalUnplanned readmissionChart reviewCardiac catheterizationScheduled careSpecificity 96.5Community hospitalReadmissionClaims dataCardiac devicesHealth systemTeaching centerPublic reportingAssociation of hospital volume with readmission rates: a retrospective cross-sectional study
Horwitz LI, Lin Z, Herrin J, Bernheim S, Drye EE, Krumholz HM, Hines HJ, Ross JS. Association of hospital volume with readmission rates: a retrospective cross-sectional study. The BMJ 2015, 350: h447. PMID: 25665806, PMCID: PMC4353286, DOI: 10.1136/bmj.h447.Peer-Reviewed Original ResearchConceptsReadmission ratesHospital volumeRetrospective cross-sectional studyUS acute care hospitalsHospital readmission ratesAcute care hospitalsCross-sectional studyMedical cancer treatmentCare hospitalAdult dischargesHospital characteristicsMedicare feeCancer treatmentHospitalAssociationDaysService dataPatientsCardiovascularGynecologyQuintileNeurology
2013
Evaluation of the Mobile Acute Care of the Elderly (MACE) Service
Hung WW, Ross JS, Farber J, Siu AL. Evaluation of the Mobile Acute Care of the Elderly (MACE) Service. JAMA Internal Medicine 2013, 173: 990-996. PMID: 23608775, PMCID: PMC3691362, DOI: 10.1001/jamainternmed.2013.478.Peer-Reviewed Original ResearchConceptsUsual care groupShorter hospital stayAdverse eventsMACE groupUsual careHospital stayAcute careFunctional statusOlder adultsPatient outcomesCatheter-associated urinary tract infectionsTertiary acute care hospitalCare Transitions MeasureHospitalized older adultsUrinary tract infectionPairs of patientsAcute medical problemsGeneral medical servicesLength of stayAcute care hospitalsMount Sinai HospitalLower ratesElderly servicesAcute illnessCohort studyUse of Hospital-Based Acute Care Among Patients Recently Discharged From the Hospital
Vashi AA, Fox JP, Carr BG, D’Onofrio G, Pines JM, Ross JS, Gross CP. Use of Hospital-Based Acute Care Among Patients Recently Discharged From the Hospital. JAMA 2013, 309: 364-371. PMID: 23340638, PMCID: PMC3598620, DOI: 10.1001/jama.2012.216219.Peer-Reviewed Original ResearchConceptsAcute care hospitalsHospital-based acute careAcute care encountersED visitsHospital readmissionAcute careCare hospitalRelease visitsIndex hospitalizationReasons patientsCare encountersED treatUncomplicated benign prostatic hypertrophyUtilization Project State InpatientAcute care visitsDays of dischargeEmergency department visitsCommon reason patientsHospital readmission ratesAcute care servicesBenign prostatic hypertrophyUse of hospitalHealth care focusEffectiveness of transitionCare visits
2012
Comparison of hospital risk-standardized mortality rates calculated by using in-hospital and 30-day models: an observational study with implications for hospital profiling.
Drye EE, Normand SL, Wang Y, Ross JS, Schreiner GC, Han L, Rapp M, Krumholz HM. Comparison of hospital risk-standardized mortality rates calculated by using in-hospital and 30-day models: an observational study with implications for hospital profiling. Annals Of Internal Medicine 2012, 156: 19-26. PMID: 22213491, PMCID: PMC3319769, DOI: 10.7326/0003-4819-156-1-201201030-00004.Peer-Reviewed Original ResearchConceptsRisk-standardized mortality ratesAcute myocardial infarctionHospital risk-standardized mortality ratesHospital mortality measuresHeart failureMortality rateObservational studyNonfederal acute care hospitalsMortality measuresAcute care hospitalsMean LOSPrimary outcomeStandardized followCare hospitalBlood InstituteService patientsMyocardial infarctionNational HeartPatient LOSMedicare feePneumoniaHospitalAdmissionHospital qualityHospital profiling
2010
Scheduled and unscheduled hospital readmissions among patients with diabetes.
Kim H, Ross JS, Melkus GD, Zhao Z, Boockvar K. Scheduled and unscheduled hospital readmissions among patients with diabetes. The American Journal Of Managed Care 2010, 16: 760-7. PMID: 20964472, PMCID: PMC3024140.Peer-Reviewed Original ResearchConceptsUnscheduled readmissionsIndex hospitalizationHigher comorbidity burdenState Inpatient DatasetPatients 80 yearsPatients 50 yearsHistory of hospitalizationAcute care hospitalsPrevention Quality IndicatorsUnscheduled hospital readmissionComorbidity burdenOlder patientsCare hospitalClinical factorsHospital readmissionIll patientsInpatient datasetTransition careReadmissionHospitalizationPatientsDiabetesPublic insuranceHealthcare ResearchPotential disparitiesHospital Volume and 30-Day Mortality for Three Common Medical Conditions
Ross JS, Normand SL, Wang Y, Ko DT, Chen J, Drye EE, Keenan PS, Lichtman JH, Bueno H, Schreiner GC, Krumholz HM. Hospital Volume and 30-Day Mortality for Three Common Medical Conditions. New England Journal Of Medicine 2010, 362: 1110-1118. PMID: 20335587, PMCID: PMC2880468, DOI: 10.1056/nejmsa0907130.Peer-Reviewed Original ResearchConceptsAcute myocardial infarctionHospital volumeHeart failureMyocardial infarctionVolume thresholdRisk factorsAnnual hospital volumeHigh-volume hospitalsPatient risk factorsOdds of deathCommon medical conditionsAcute care hospitalsMedicare administrative claimsHierarchical logistic regression modelsCross-sectional analysisLogistic regression modelsCare hospitalHospital characteristicsReduced oddsMedical conditionsAdministrative claimsInfarctionPatientsPneumoniaService beneficiaries
2009
Recent National Trends in Readmission Rates After Heart Failure Hospitalization
Ross JS, Chen J, Lin Z, Bueno H, Curtis JP, Keenan PS, Normand SL, Schreiner G, Spertus JA, Vidán MT, Wang Y, Wang Y, Krumholz HM. Recent National Trends in Readmission Rates After Heart Failure Hospitalization. Circulation Heart Failure 2009, 3: 97-103. PMID: 19903931, PMCID: PMC2830811, DOI: 10.1161/circheartfailure.109.885210.Peer-Reviewed Original ResearchConceptsCause readmission rateReadmission ratesHeart failureRecent national trendsHospital variationService beneficiariesAcute-care nonfederal hospitalsUS acute care hospitalsHeart failure hospitalizationHospital readmission ratesAcute care hospitalsNational trendsNational Quality ForumMedicare administrative dataDistinct hospitalizationsFailure hospitalizationMultiple comorbiditiesCare hospitalNonfederal hospitalsMedicare beneficiariesHospitalizationHospitalQuality ForumStudy periodAdministrative dataReduction in Acute Myocardial Infarction Mortality in the United States: Risk-Standardized Mortality Rates From 1995-2006
Krumholz HM, Wang Y, Chen J, Drye EE, Spertus JA, Ross JS, Curtis JP, Nallamothu BK, Lichtman JH, Havranek EP, Masoudi FA, Radford MJ, Han LF, Rapp MT, Straube BM, Normand SL. Reduction in Acute Myocardial Infarction Mortality in the United States: Risk-Standardized Mortality Rates From 1995-2006. JAMA 2009, 302: 767-773. PMID: 19690309, PMCID: PMC3349070, DOI: 10.1001/jama.2009.1178.Peer-Reviewed Original ResearchConceptsRisk-standardized mortality ratesAcute myocardial infarctionShort-term mortality rateMortality rateHospital variationNonfederal acute care hospitalsAcute myocardial infarction mortalityHospital mortality rateDay of admissionRisk standardized mortality ratesAcute care hospitalsMyocardial infarction mortalityHealth care professionalsIndex hospitalizationCare hospitalMyocardial infarctionNational averagePatient levelMedicare patientsObservational studyMedical adviceHospital varianceMAIN OUTCOMECare professionalsPatients
2007
Certificate of Need Regulation and Cardiac Catheterization Appropriateness After Acute Myocardial Infarction
Ross JS, Ho V, Wang Y, Cha SS, Epstein AJ, Masoudi FA, Nallamothu BK, Krumholz HM. Certificate of Need Regulation and Cardiac Catheterization Appropriateness After Acute Myocardial Infarction. Circulation 2007, 115: 1012-1019. PMID: 17283258, DOI: 10.1161/circulationaha.106.658377.Peer-Reviewed Original ResearchConceptsAcute myocardial infarctionMyocardial infarctionCardiac catheterizationHospital coronary artery bypass graft surgeryCoronary artery bypass graft surgeryArtery bypass graft surgeryLower ratesUS acute care hospitalsCardiac catheterization capabilitiesChart-abstracted dataBypass graft surgeryDay of admissionAcute care hospitalsComplex medical careQuality of careGraft surgeryCatheterization ratesClinical characteristicsCON regulationsHospital characteristicsMedicare patientsRetrospective analysisCatheterizationHealthcare costsFull cohort