2015
Smoking status and life expectancy after acute myocardial infarction in the elderly
Bucholz EM, Beckman AL, Kiefe CI, Krumholz HM. Smoking status and life expectancy after acute myocardial infarction in the elderly. Heart 2015, 102: 133. PMID: 26596792, PMCID: PMC5459390, DOI: 10.1136/heartjnl-2015-308263.Peer-Reviewed Original ResearchConceptsAcute myocardial infarctionCurrent smokersYears of lifeLife expectancyMyocardial infarctionLower short-term mortalityHigher long-term mortalityLower crude mortalityLong-term mortalityBurden of smokingShort-term mortalityCooperative Cardiovascular ProjectElderly Medicare patientsAge-specific associationsMedical record studyCurrent smokingCrude mortalityPatient characteristicsSmoking statusCessation effortsMedicare patientsLong-term effectsSmokingSmokersLower life expectancy
2010
Thirty-Day Outcomes in Medicare Patients With Heart Failure at Heart Transplant Centers
Hummel SL, Pauli NP, Krumholz HM, Wang Y, Chen J, Normand SL, Nallamothu BK. Thirty-Day Outcomes in Medicare Patients With Heart Failure at Heart Transplant Centers. Circulation Heart Failure 2010, 3: 244-252. PMID: 20061519, DOI: 10.1161/circheartfailure.109.884098.Peer-Reviewed Original ResearchConceptsHeart transplant centersRisk-standardized readmission ratesRisk-standardized mortality ratesTransplant centersStandardized mortality ratioHeart failureTransplant hospitalsReadmission ratesMortality rateStandardized readmission ratioMortality ratioMedicare patientsReadmission ratiosMean standardized mortality ratioThirty-day outcomesCoronary artery bypassHeart failure careElderly Medicare patientsElderly Medicare beneficiariesArtery bypassElderly patientsTransplant candidatesMedicare beneficiariesHospitalPatients
2008
Long-term Prognosis of Acute Kidney Injury After Acute Myocardial Infarction
Parikh CR, Coca SG, Wang Y, Masoudi FA, Krumholz HM. Long-term Prognosis of Acute Kidney Injury After Acute Myocardial Infarction. JAMA Internal Medicine 2008, 168: 987-995. PMID: 18474763, DOI: 10.1001/archinte.168.9.987.Peer-Reviewed Original ResearchConceptsSevere acute kidney injuryAcute kidney injuryAcute myocardial infarctionMild acute kidney injuryModerate acute kidney injuryKidney injuryLong-term riskMyocardial infarctionSeverity of AKIAdjusted hazard ratioLong-term mortalitySerum creatinine levelsLong-term prognosisCooperative Cardiovascular ProjectElderly Medicare patientsHigh-risk groupAssociation of severityHospital mortalityHospital survivorsCause mortalityCardiovascular mortalityCreatinine levelsHazard ratioInpatient mortalityCommon complication
1998
Admission to Hospitals With On-Site Cardiac Catheterization Facilities
Krumholz H, Chen J, Murillo J, Cohen D, Radford M. Admission to Hospitals With On-Site Cardiac Catheterization Facilities. Circulation 1998, 98: 2010-2016. PMID: 9808598, DOI: 10.1161/01.cir.98.19.2010.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overAngioplasty, Balloon, CoronaryCardiac Care FacilitiesCardiac CatheterizationCohort StudiesCoronary Artery BypassFemaleHealth Care CostsHospital MortalityHospitalizationHumansLength of StayMaleMedical RecordsPilot ProjectsRetrospective StudiesTime FactorsTreatment OutcomeConceptsSite cardiac catheterization facilitiesCardiac catheterization facilitiesAcute myocardial infarctionCatheterization facilitiesType of hospitalReadmission ratesCardiac proceduresMyocardial infarctionHospital costsMortality rateGood short-term clinical outcomesShort-term clinical outcomesLong-term mortality ratesAdjusted readmission ratesCardiac catheterization ratesBaseline patient characteristicsLong-term mortalityRetrospective cohort studyLower readmission ratesElderly Medicare patientsSignificant differencesCatheterization ratesRevascularization ratesCardiac catheterizationCohort study
1995
Twenty most frequent DRG groups among Medicare inpatients age 65 or older in Connecticut hospitals, fiscal years 1991, 1992, and 1993.
Hennen J, Krumholz HM, Radford MJ. Twenty most frequent DRG groups among Medicare inpatients age 65 or older in Connecticut hospitals, fiscal years 1991, 1992, and 1993. Connecticut Medicine 1995, 59: 11-5. PMID: 7859443.Peer-Reviewed Original ResearchConceptsDRG categoriesConnecticut acute care hospitalsElderly Medicare beneficiariesElderly Medicare patientsAge group 65Acute care hospitalsInpatients age 65Care hospitalFiscal year 1991Inpatient admissionsInpatients ageConnecticut hospitalsGroup 65Medicare patientsAge subgroupsMedicare beneficiariesThree-year study periodAge 65Study periodDRG groupsNumber of dischargesMedicare dischargesHospitalYear periodYears