2019
Home Health Care After Skilled Nursing Facility Discharge Following Heart Failure Hospitalization
Weerahandi H, Bao H, Herrin J, Dharmarajan K, Ross JS, Jones S, Horwitz LI. Home Health Care After Skilled Nursing Facility Discharge Following Heart Failure Hospitalization. Journal Of The American Geriatrics Society 2019, 68: 96-102. PMID: 31603248, PMCID: PMC6964248, DOI: 10.1111/jgs.16179.Peer-Reviewed Original ResearchConceptsSkilled nursing facilitiesHF hospitalizationReadmission ratesReadmission riskHeart failure readmission ratesDays of dischargeHeart failure hospitalizationRetrospective cohort studyHospital discharge practicesMore functional impairmentHome health careFailure hospitalizationHF patientsUnplanned readmissionCohort studyHospital dischargePrimary outcomeRestorative therapySNF stayFunctional impairmentHome healthcare servicesService Medicare dataAdjusted modelCox modelNursing facilities
2017
Length of Stay From the Hospital Perspective
Rosen JE, Salazar MC, Dharmarajan K, Kim AW, Detterbeck FC, Boffa DJ. Length of Stay From the Hospital Perspective. Annals Of Surgery 2017, 266: 383-388. PMID: 27564681, DOI: 10.1097/sla.0000000000001971.Peer-Reviewed Original ResearchConceptsMedian LOSLength of stayEarly discharge practicesDischarge practicesReadmission ratesEarly dischargeCancer-accredited hospitalsNational Cancer DatabaseLung cancer surgeryRisk of readmissionHospital discharge practicesHierarchical logistic regression modelsLack of effectLogistic regression modelsMore readmissionsUnplanned readmissionThoracotomy approachCancer surgeryReadmission riskLung cancerCancer DatabaseInclusion criteriaReadmissionHospital perspectivePatientsSex 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
2016
Trajectories of Risk for Specific Readmission Diagnoses after Hospitalization for Heart Failure, Acute Myocardial Infarction, or Pneumonia
Krumholz HM, Hsieh A, Dreyer RP, Welsh J, Desai NR, Dharmarajan K. Trajectories of Risk for Specific Readmission Diagnoses after Hospitalization for Heart Failure, Acute Myocardial Infarction, or Pneumonia. PLOS ONE 2016, 11: e0160492. PMID: 27716841, PMCID: PMC5055318, DOI: 10.1371/journal.pone.0160492.Peer-Reviewed Original ResearchConceptsAcute myocardial infarctionRisk of readmissionHeart failureReadmission diagnosesHospital dischargeReadmission riskTiming of riskMyocardial infarctionImmediate post-discharge periodDiagnostic categoriesPhysiologic systemsRisk of rehospitalizationGeneral elderly populationRisk of deathPost-discharge periodPost-discharge interventionsTrauma/injuryHospitalization riskHospitalizationTrajectories of riskElderly populationMedicare feePneumoniaRehospitalizationService beneficiariesComprehensive Strategies to Reduce Readmissions in Older Patients With Cardiovascular Disease
Dharmarajan K. Comprehensive Strategies to Reduce Readmissions in Older Patients With Cardiovascular Disease. Canadian Journal Of Cardiology 2016, 32: 1306-1314. PMID: 27084075, DOI: 10.1016/j.cjca.2016.01.030.Peer-Reviewed Original ResearchConceptsPostacute careMultidisciplinary teamOlder adultsTransitional care interventionsShort-term readmissionCommon cardiovascular conditionSingle-center designDisease-specific careFrequent outpatientHospital dischargeOlder patientsReadmission riskReadmission reductionCardiovascular diseaseCare interventionsCardiovascular conditionsMedical conditionsHome visitsMultimodal interventionReadmissionHospital providersHealth providersCare processesMost studiesHealth system
2015
Sex Differences in the Rate, Timing, and Principal Diagnoses of 30-Day Readmissions in Younger Patients with Acute Myocardial Infarction
Dreyer RP, Ranasinghe I, Wang Y, Dharmarajan K, Murugiah K, Nuti SV, Hsieh AF, Spertus JA, Krumholz HM. Sex Differences in the Rate, Timing, and Principal Diagnoses of 30-Day Readmissions in Younger Patients with Acute Myocardial Infarction. Circulation 2015, 132: 158-166. PMID: 26085455, PMCID: PMC5322973, DOI: 10.1161/circulationaha.114.014776.Peer-Reviewed Original ResearchConceptsAcute myocardial infarctionMyocardial infarctionPrincipal diagnosisYounger patientsHigh riskUtilization Project State Inpatient DatabasesYoung womenCause readmission rateGreater mortality riskSex differencesNoncardiac diagnosesReadmission diagnosesReadmission timingReadmission ratesInpatient DatabaseReadmission riskFemale sexCondition categoriesReadmissionMortality riskHealthcare costsDay 2InfarctionPatientsDiagnosisReadmissions After Carotid Artery Revascularization in the Medicare Population
Al-Damluji MS, Dharmarajan K, Zhang W, Geary LL, Stilp E, Dardik A, Mena-Hurtado C, Curtis JP. Readmissions After Carotid Artery Revascularization in the Medicare Population. Journal Of The American College Of Cardiology 2015, 65: 1398-1408. PMID: 25857904, PMCID: PMC4403264, DOI: 10.1016/j.jacc.2015.01.048.Peer-Reviewed Original ResearchConceptsRisk-standardized readmission ratesCarotid artery stentingHospital risk-standardized readmission ratesCarotid revascularizationCarotid endarterectomyReadmission ratesHospital variationReadmission riskService administrative claims dataKaplan-Meier survival curvesLogistic regressionCarotid artery revascularizationPrior clinical researchAcute care hospitalizationDays of dischargeHospital-level variationSevere carotid stenosisCause hospital readmissionAdministrative claims dataMixed-effects logistic regressionChoice of procedureArtery revascularizationIschemic strokeArtery stentingHospital readmission
2014
Readmissions after Hospitalization for Heart Failure, Acute Myocardial Infarction, or Pneumonia among Young and Middle-Aged Adults: A Retrospective Observational Cohort Study
Ranasinghe I, Wang Y, Dharmarajan K, Hsieh AF, Bernheim SM, Krumholz HM. Readmissions after Hospitalization for Heart Failure, Acute Myocardial Infarction, or Pneumonia among Young and Middle-Aged Adults: A Retrospective Observational Cohort Study. PLOS Medicine 2014, 11: e1001737. PMID: 25268126, PMCID: PMC4181962, DOI: 10.1371/journal.pmed.1001737.Peer-Reviewed Original ResearchConceptsAcute myocardial infarctionMiddle-aged adultsTiming of readmissionHeart failureReadmission ratesAMI cohortReadmission diagnosesHF cohortReadmission riskMyocardial infarctionAge groupsRetrospective observational cohort studyIndex admission diagnosisObservational cohort studySimilar risk patternNon-cardiac diagnosisPneumonia cohortAdmission diagnosisElderly patientsCohort studyPatient characteristicsPrimary outcomePayer statusReadmissionHospitalization