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
2012
Outcomes for Mitral Valve Surgery Among Medicare Fee-for-Service Beneficiaries, 1999 to 2008
Dodson JA, Wang Y, Desai MM, Barreto-Filho JA, Sugeng L, Hashim SW, Krumholz HM. Outcomes for Mitral Valve Surgery Among Medicare Fee-for-Service Beneficiaries, 1999 to 2008. Circulation Cardiovascular Quality And Outcomes 2012, 5: 298-307. PMID: 22576847, PMCID: PMC3400109, DOI: 10.1161/circoutcomes.112.966077.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overChi-Square DistributionFee-for-Service PlansFemaleHealthcare DisparitiesHeart Valve DiseasesHeart Valve Prosthesis ImplantationHospital MortalityHospitalizationHumansLinear ModelsMaleMedicareMitral ValveOdds RatioPatient ReadmissionQuality ImprovementRisk AssessmentRisk FactorsTime FactorsTreatment OutcomeUnited StatesConceptsMitral valve surgeryValve surgeryMitral valve repairFFS patientsHospitalization ratesValve repairMedicare feeMedicare Standard Analytic FilesMedicare FFS patientsRisk-standardized ratesProportion of patientsStandard Analytic FilesVital Status filesNational surveillance dataMedicare administrative dataSubstantial morbidityMortality outcomesService patientsAnalytic FilesMortality riskMortality rateSurgeryPatientsDenominator fileReadmission
2006
Health related quality of life after mitral valve repairs and replacements
Sedrakyan A, Vaccarino V, Elefteriades JA, Mattera JA, Lin Z, Roumanis SA, Krumholz HM. Health related quality of life after mitral valve repairs and replacements. Quality Of Life Research 2006, 15: 1153-1160. PMID: 17004004, DOI: 10.1007/s11136-006-0055-3.Peer-Reviewed Original ResearchConceptsValve repair groupQuality of lifeValve repairRepair groupValve replacementReplacement groupMitral valveSimultaneous coronary artery bypass graft surgeryMedical Outcomes Trust Short FormCoronary artery bypass graft surgeryArtery bypass graft surgeryBypass graft surgeryMitral valve replacementMitral valve surgeryValve replacement groupMean HRQoL scoresHealth survey questionnaireMitral valve repairHealth status perspectiveGraft surgeryValve surgeryHRQoL scoresMultivariable analysisHigher social functioningPhysical functioning
2003
Age does not limit quality of life improvement in cardiac valve surgery
Sedrakyan A, Vaccarino V, Paltiel AD, Elefteriades JA, Mattera JA, Roumanis SA, Lin Z, Krumholz HM. Age does not limit quality of life improvement in cardiac valve surgery. Journal Of The American College Of Cardiology 2003, 42: 1208-1214. PMID: 14522482, DOI: 10.1016/s0735-1097(03)00949-5.Peer-Reviewed Original ResearchConceptsMental component summaryQuality of lifeCardiac valve surgeryPhysical component summaryValve surgeryAssociation of ageValve proceduresComponent summarySF-36PCS scoresMedical Outcomes Trust Short FormPatients' QOLMitral valve proceduresAortic valve proceduresOlder patientsAortic patientsMCS scoresMitral patientsQOL benefitsHealth SurveyPatientsSurgeryStatistical significanceAgeMultiple regression analysis
2001
Do Existing Databases Answer Clinical Questions about Geriatric Cardiovascular Disease and Stroke?
Cheitlin MD, Gerstenblith G, Hazzard WR, Pasternak R, Fried LP, Rich MW, Krumholz HM, Peterson E, Reves JG, McKay C, Saksena S, Shen WK, Akhtar M, Brass LM, Biller J. Do Existing Databases Answer Clinical Questions about Geriatric Cardiovascular Disease and Stroke? The American Journal Of Geriatric Cardiology 2001, 10: 207-223. PMID: 11455241, DOI: 10.1111/j.1076-7460.2003.00696.x.Peer-Reviewed Original ResearchConceptsCardiovascular diseaseYounger patientsChronic coronary artery diseaseExtrapolation of safetyRole of revascularizationChronic heart failurePatients 75 yearsRisk factor modificationCharacteristics of patientsCoronary artery diseaseAcute myocardial infarctionYears of ageCollaborative outcomes researchPrincipal investigatorGeriatric cardiologyValve surgeryArtery diseaseHeart failureCarotid endarterectomyFactor modificationMyocardial infarctionEfficacy dataCardiovascular conditionsClinical questionsAvailable safety