2015
National Trends in Hospital Readmission Rates among Medicare Fee-for-Service Survivors of Mitral Valve Surgery, 1999–2010
Dodson JA, Wang Y, Murugiah K, Dharmarajan K, Cooper Z, Hashim S, Nuti SV, Spatz E, Desai N, Krumholz HM. National Trends in Hospital Readmission Rates among Medicare Fee-for-Service Survivors of Mitral Valve Surgery, 1999–2010. PLOS ONE 2015, 10: e0132470. PMID: 26147225, PMCID: PMC4493110, DOI: 10.1371/journal.pone.0132470.Peer-Reviewed Original ResearchConceptsMitral valve surgeryLength of stayHospital LOSReadmission ratesHospital readmission ratesOlder patientsHospital readmissionMedicare feeMean hospital LOSSurvival rateProportional hazards regressionYears of ageValve surgeryHazards regressionService patientsWorse outcomesAge subgroupsPatientsOlder adultsSurvivorsNational trendsReadmissionModest declineWomenSubgroups
2014
Trends in Hospitalizations Among Medicare Survivors of Aortic Valve Replacement in the United States From 1999 to 2010
Murugiah K, Wang Y, Dodson JA, Nuti SV, Dharmarajan K, Ranasinghe I, Cooper Z, Krumholz HM. Trends in Hospitalizations Among Medicare Survivors of Aortic Valve Replacement in the United States From 1999 to 2010. The Annals Of Thoracic Surgery 2014, 99: 509-517. PMID: 25527425, PMCID: PMC4454375, DOI: 10.1016/j.athoracsur.2014.08.045.Peer-Reviewed Original ResearchConceptsAortic valve replacementValve replacementHospitalization ratesAnnual Medicare paymentsPrincipal diagnosisOne-year hospitalization rateCommon principal diagnosisRisk of hospitalizationMean lengthGeneral Medicare populationMedicare paymentsPostoperative complicationsHeart failureBlack patientsMedicare patientsHospitalizationMedicare populationMedicare beneficiariesMortality ratePatientsStayCumulative daysCumulative lengthCertain subgroupsSurvivors