2010
The relationship between systolic blood pressure on admission and mortality in older patients with heart failure
Vidán MT, Bueno H, Wang Y, Schreiner G, Ross JS, Chen J, Krumholz HM. The relationship between systolic blood pressure on admission and mortality in older patients with heart failure. European Journal Of Heart Failure 2010, 12: 148-155. PMID: 20083624, PMCID: PMC2807767, DOI: 10.1093/eurjhf/hfp195.Peer-Reviewed Original ResearchConceptsAdmission systolic blood pressureSystolic blood pressureHeart failureBlood pressureOlder patientsNational Heart Failure ProjectHigher systolic blood pressureInitial systolic blood pressureHeart Failure ProjectMultivariable logistic regressionPrevious hypertensionSBP 90Ventricular dysfunctionClinical factorsIndependent associationOdds ratioMedicare patientsMortality ratePatientsMmHgLogistic regressionMortalityAdmissionSubgroupsInverse relationship
2008
Systolic Function as a Predictor of Mortality and Quality of Life in Long‐term Survivors with Heart Failure
McNamara R, Austin B, Wang Y, Smith G, Vaccarine V, Krumholz H. Systolic Function as a Predictor of Mortality and Quality of Life in Long‐term Survivors with Heart Failure. Clinical Cardiology 2008, 31: 119-124. PMID: 18383045, PMCID: PMC6653267, DOI: 10.1002/clc.20118.Peer-Reviewed Original ResearchConceptsQuality of lifeEjection fractionHeart failureLong-term survivorsFunctional declineSystolic functionKansas City Cardiomyopathy Questionnaire scoreModest survival advantageReduced ejection fractionDaily living scoreDisease-related qualityPredictors of mortalityHeart failure patientsClinical summary scoreLong-term survivalHigh mortality rateKCCQ scoresRenal insufficiencyFailure patientsLiving scoreDiabetes mellitusOverall mortalityPrimary outcomeLimitation scoresQOL scores
1999
Comparing AMI Mortality Among Hospitals in Patients 65 Years of Age and Older
Krumholz H, Chen J, Wang Y, Radford M, Chen Y, Marciniak T. Comparing AMI Mortality Among Hospitals in Patients 65 Years of Age and Older. Circulation 1999, 99: 2986-2992. PMID: 10368115, DOI: 10.1161/01.cir.99.23.2986.Peer-Reviewed Original ResearchConceptsAcute myocardial infarctionMyocardial infarctionWhite blood cell countPatients 65 yearsSystolic blood pressureCongestive heart failureMedical chart reviewReceiver-operating characteristic curveBlood cell countRisk-adjusted outcomesYears of ageAdministrative billing codesRisk-adjustment modelsHospital outcomesSerum creatinineChart reviewDerivation cohortHeart failurePatient characteristicsBlood pressureCardiac arrestValidation cohortCandidate predictor variablesAMI mortalityBilling codes