2011
Influence of Age on Perioperative Complications Among Patients Undergoing Implantable Cardioverter-Defibrillators for Primary Prevention in the United States
Tsai V, Goldstein MK, Hsia HH, Wang Y, Curtis J, Heidenreich PA. Influence of Age on Perioperative Complications Among Patients Undergoing Implantable Cardioverter-Defibrillators for Primary Prevention in the United States. Circulation Cardiovascular Quality And Outcomes 2011, 4: 549-556. PMID: 21878667, DOI: 10.1161/circoutcomes.110.959205.Peer-Reviewed Original ResearchConceptsAdverse eventsICD RegistryPrimary prevention ICD recipientsEnd pointImplantable cardioverter defibrillator recipientsPatients 85 yearsPrimary prevention patientsMinor adverse eventsPrimary end pointSecondary end pointsMajor adverse eventsCongestive heart failureCoronary artery diseaseLength of stayInfluence of ageHospital mortalityICD trialsPerioperative complicationsPeriprocedural complicationsArtery diseaseHeart failureICD recipientsRenal diseaseIncreased oddsAtrial fibrillationAge Differences in Primary Prevention Implantable Cardioverter‐Defibrillator Use in U.S. Individuals
Tsai V, Goldstein MK, Hsia HH, Wang Y, Curtis J, Heidenreich PA, Registry O. Age Differences in Primary Prevention Implantable Cardioverter‐Defibrillator Use in U.S. Individuals. Journal Of The American Geriatrics Society 2011, 59: 1589-1595. PMID: 21883101, DOI: 10.1111/j.1532-5415.2011.03542.x.Peer-Reviewed Original ResearchConceptsICD RegistryICD useNonarrhythmic deathHigh riskImplantable cardioverter-defibrillator (ICD) useHigh comorbid burdenPrior myocardial infarctionRisk of deathHigh-risk individualsRisk stratification systemOlder U.S. adultsYounger age groupsComorbid burdenICD implantationEjection fractionICD recipientsPrimary preventionRetrospective studyMyocardial infarctionMortality riskLower riskAge groupsU.S. adultsYounger groupOlder adultsDual-Chamber Implantable Cardioverter-Defibrillator Selection Is Associated With Increased Complication Rates and Mortality Among Patients Enrolled in the NCDR Implantable Cardioverter-Defibrillator Registry
Dewland TA, Pellegrini CN, Wang Y, Marcus GM, Keung E, Varosy PD. Dual-Chamber Implantable Cardioverter-Defibrillator Selection Is Associated With Increased Complication Rates and Mortality Among Patients Enrolled in the NCDR Implantable Cardioverter-Defibrillator Registry. Journal Of The American College Of Cardiology 2011, 58: 1007-1013. PMID: 21867834, DOI: 10.1016/j.jacc.2011.04.039.Peer-Reviewed Original ResearchConceptsDual-chamber ICDHospital mortalityComplication rateDevice implantationDual-chamber implantable cardioverter-defibrillator (ICD) implantationNational Cardiovascular Data Registry ICD RegistryImplantable Cardioverter-Defibrillator RegistrySingle-chamber ICD implantationImplantable cardioverter defibrillator implantationHospital complication ratesSingle-chamber defibrillatorsCardioverter-defibrillator implantationMajority of patientsReal-world populationDual-chamber devicesSingle-chamber devicesLongitudinal cohort designMedical comorbiditiesPeriprocedural complicationsAdverse eventsBaseline characteristicsICD implantationICD indicationICD RegistryICD useImplantable Cardioverter-Defibrillator Registry Risk Score Models for Acute Procedural Complications or Death After Implantable Cardioverter-Defibrillator Implantation
Haines DE, Wang Y, Curtis J. Implantable Cardioverter-Defibrillator Registry Risk Score Models for Acute Procedural Complications or Death After Implantable Cardioverter-Defibrillator Implantation. Circulation 2011, 123: 2069-2076. PMID: 21537001, DOI: 10.1161/circulationaha.110.959676.Peer-Reviewed Original ResearchConceptsImplantable cardioverter defibrillator implantationSimple risk scoreCardioverter-defibrillator implantationAdverse eventsRisk scoreLower riskNew York Heart Association class IIILow-risk subsetPrior valve surgeryAcute procedural complicationsChronic lung diseaseRisk stratification schemaAvailable clinical variablesBlood urea nitrogenIntensity of careRisk score modelLogistic regression modelsHospital complicationsAcute complicationsHospital deathValve surgeryICD implantationPostprocedural complicationsICD RegistryProcedural complications
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
2001
Blood Transfusion in Elderly Patients with Acute Myocardial Infarction
Wu W, Rathore S, Wang Y, Radford M, Krumholz H. Blood Transfusion in Elderly Patients with Acute Myocardial Infarction. New England Journal Of Medicine 2001, 345: 1230-1236. PMID: 11680442, DOI: 10.1056/nejmoa010615.Peer-Reviewed Original ResearchConceptsAcute myocardial infarctionBlood transfusionMyocardial infarctionElderly patientsHematocrit valuesMortality rateLower short-term mortality rateMedicare beneficiaries 65 yearsShort-term mortality rateUse of transfusionsCoronary artery diseaseBeneficiaries 65 yearsDegree of anemiaLow hematocrit valuesArtery diseaseRetrospective studySubgroup analysisTransfusionPatientsAdmissionInfarctionMortalityHematocritAdverse effectsAnemiaAcute myocardial infarction in the elderly: differences by age
Mehta R, Rathore S, Radford M, Wang Y, Wang Y, Krumholz H. Acute myocardial infarction in the elderly: differences by age. Journal Of The American College Of Cardiology 2001, 38: 736-741. PMID: 11527626, DOI: 10.1016/s0735-1097(01)01432-2.Peer-Reviewed Original ResearchMeSH KeywordsAge FactorsAgedAged, 80 and overFemaleHumansMaleMyocardial InfarctionOdds RatioUnited StatesConceptsAcute myocardial infarctionAge-associated differencesElderly patientsClinical characteristicsAge groupsMyocardial infarctionThirty-day mortality rateMedicare beneficiaries ageOne-year mortalityPrior coronary diseaseProportion of patientsST-segment elevationOlder age groupsSignificant age-associated differencesChest painEffect of ageOlder patientsRenal insufficiencyCoronary diseaseHeart failureHospital admissionPatient characteristicsSuccessive age groupsSymptom onsetDiabetic patientsQuality of care among elderly patients hospitalized with unstable angina
Shahi C, Rathore S, Wang Y, Thakur R, Wu W, Lewis J, Petrillo M, Radford M, Krumholz H. Quality of care among elderly patients hospitalized with unstable angina. American Heart Journal 2001, 142: 263-270. PMID: 11479465, DOI: 10.1067/mhj.2001.116477.Peer-Reviewed Original ResearchConceptsQuality of careMinutes of admissionUnstable anginaHealth care policyElderly patientsTherapeutic anticoagulationIntravenous heparinElectrocardiographic examinationCare policyPrescription of aspirinUse of aspirinHalf of patientsEligible patientsRisk stratificationConnecticut hospitalsElderly MedicareAnginaPatientsTherapeutic contraindicationsTherapeutic interventionsAspirinAdmissionHospitalCareAnticoagulation
1997
Quality of Care for Elderly Patients Hospitalized With Heart Failure
Krumholz HM, Wang Y, Parent EM, Mockalis J, Petrillo M, Radford MJ. Quality of Care for Elderly Patients Hospitalized With Heart Failure. JAMA Internal Medicine 1997, 157: 2242-2247. PMID: 9343001, DOI: 10.1001/archinte.1997.00440400092011.Peer-Reviewed Original ResearchConceptsHeart failureQuality of careEnzyme inhibitorsElderly patientsClinical practiceResearch Clinical Practice GuidelinesLeft ventricular ejection fractionLeft ventricular systolic functionRetrospective medical record reviewAngiotensin-converting enzyme inhibitorSevere aortic stenosisPercentage of patientsVentricular systolic functionMedical record reviewVentricular ejection fractionClinical practice guidelinesPrincipal discharge diagnosisAcute care hospitalsActual clinical practiceHealth care policyChart reviewSystolic functionAortic stenosisAppropriate patientsCare hospital