2016
Coronary Catheterization and Percutaneous Coronary Intervention in China: 10-Year Results From the China PEACE-Retrospective CathPCI Study
Zheng X, Curtis JP, Hu S, Wang Y, Yang Y, Masoudi FA, Spertus JA, Li X, Li J, Dharmarajan K, Downing NS, Krumholz HM, Jiang L. Coronary Catheterization and Percutaneous Coronary Intervention in China: 10-Year Results From the China PEACE-Retrospective CathPCI Study. JAMA Internal Medicine 2016, 176: 512. PMID: 26974883, PMCID: PMC5459379, DOI: 10.1001/jamainternmed.2016.0166.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overAngina, UnstableCardiac CatheterizationChinaCoronary Artery DiseaseDrug-Eluting StentsFemaleHospital MortalityHospitals, UrbanHumansLength of StayMaleMedical RecordsMiddle AgedMyocardial InfarctionOdds RatioOutcome Assessment, Health CarePercutaneous Coronary InterventionPostoperative ComplicationsPostoperative HemorrhageQuality of Health CareRetrospective StudiesStentsTime-to-TreatmentConceptsPercutaneous coronary interventionDrug-eluting stentsQuality of careCoronary catheterizationCoronary interventionNonobstructive coronary artery diseasePrimary percutaneous coronary interventionFuture quality improvement initiativesEvidence-based medicationsOutcomes of patientsCoronary artery diseaseClinical observational studyUse of catheterizationQuality improvement initiativesCalendar year 2001Hospital mortalityArtery diseasePatient characteristicsStable patientsTreatment patternsMedian lengthMean agePCI proceduresMedical recordsObservational study
2011
Factors Associated With 30-Day Readmission Rates After Percutaneous Coronary Intervention
Khawaja FJ, Shah ND, Lennon RJ, Slusser JP, Alkatib AA, Rihal CS, Gersh BJ, Montori VM, Holmes DR, Bell MR, Curtis JP, Krumholz HM, Ting HH. Factors Associated With 30-Day Readmission Rates After Percutaneous Coronary Intervention. JAMA Internal Medicine 2011, 172: 112-117. PMID: 22123752, PMCID: PMC3688066, DOI: 10.1001/archinternmed.2011.569.Peer-Reviewed Original ResearchMeSH KeywordsAcute Coronary SyndromeAgedAngina, UnstableAngioplasty, Balloon, CoronaryCoronary Artery BypassEducational StatusFemaleFollow-Up StudiesHeart FailureHumansIschemic Attack, TransientKidney DiseasesLength of StayMaleMedicareMultivariate AnalysisMyocardial InfarctionNeoplasm MetastasisPatient ReadmissionPeptic UlcerProportional Hazards ModelsPulmonary Disease, Chronic ObstructiveRegistriesSex FactorsStrokeUnited StatesConceptsPercutaneous coronary interventionThirty-day readmissionReadmission ratesCoronary interventionHigh riskChronic obstructive pulmonary diseaseThirty-day readmission ratesCox proportional hazards modelMultivariate logistic regression modelTransient ischemic attackCongestive heart failureObstructive pulmonary diseasePeptic ulcer diseaseSevere renal diseaseAcute myocardial infarctionLength of stayMain outcome measuresProportional hazards modelSaint Mary's HospitalLogistic regression modelsIschemic attackTime-dependent covariatesUnstable anginaCerebrovascular accidentHeart failureTranslational Research Investigating Underlying Disparities in Acute Myocardial Infarction Patients' Health Status (TRIUMPH)
Arnold SV, Chan PS, Jones PG, Decker C, Buchanan DM, Krumholz HM, Ho PM, Spertus JA. Translational Research Investigating Underlying Disparities in Acute Myocardial Infarction Patients' Health Status (TRIUMPH). Circulation Cardiovascular Quality And Outcomes 2011, 4: 467-476. PMID: 21772003, PMCID: PMC3376532, DOI: 10.1161/circoutcomes.110.960468.Peer-Reviewed Original ResearchConceptsHealth status studiesMyocardial infarctionHealth statusPostdischarge careAcute Myocardial Infarction Patients' Health StatusSubset of patientsTranslational researchPost-MI outcomesRacial differencesHigh mortality ratePatients' health statusMI registryChart abstractionHospital dischargeWhite patientsBlack patientsVital statusMedical historyWorse outcomesTreatment characteristicsInpatient careBaseline interviewUS CentersBlood samplesPatients
2008
2007 Focused Update of the ACC/AHA/SCAI 2005 Guideline Update for Percutaneous Coronary Intervention
King SB, Smith SC, Hirshfeld JW, Jacobs AK, Morrison DA, Williams DO, Feldman TE, Kern MJ, O'Neill WW, Schaff HV, Whitlow PL, Adams C, Anderson J, Buller C, Creager M, Ettinger S, Halperin J, Hunt S, Krumholz H, Kushner F, Lytle B, Nishimura R, Page R, Riegel B, Tarkington L, Yancy C. 2007 Focused Update of the ACC/AHA/SCAI 2005 Guideline Update for Percutaneous Coronary Intervention. Journal Of The American College Of Cardiology 2008, 51: 172-209. PMID: 18191745, DOI: 10.1016/j.jacc.2007.10.002.Peer-Reviewed Original Research
2007
2007 Focused Update of the ACC/AHA/SCAI 2005 Guideline Update for Percutaneous Coronary Intervention
King SB, Smith SC, Hirshfeld JW, Jacobs AK, Morrison DA, Williams DO, Smith S, Feldman TE, Hirshfeld J, Jacobs A, Kern M, King S, Morrison D, O’Neill W, Schaff H, Whitlow P, Williams D, Smith S, Jacobs A, Adams C, Anderson J, Buller C, Creager M, Ettinger S, Halperin J, Hunt S, Krumholz H, Kushner F, Lytle B, Nishimura R, Page R, Riegel B, Tarkington L, Yancy C. 2007 Focused Update of the ACC/AHA/SCAI 2005 Guideline Update for Percutaneous Coronary Intervention. Circulation 2007, 117: 261-295. PMID: 18079354, DOI: 10.1161/circulationaha.107.188208.Peer-Reviewed Original ResearchACC/AHA 2007 Guidelines for the Management of Patients With Unstable Angina/Non–ST-Elevation Myocardial Infarction
Anderson JL, Adams CD, Antman EM, Bridges CR, Califf RM, Casey DE, Chavey WE, Fesmire FM, Hochman JS, Levin TN, Lincoff AM, Peterson ED, Theroux P, Wenger NK, Wright RS, Smith SC, Jacobs AK, Halperin JL, Hunt SA, Krumholz HM, Kushner FG, Lytle BW, Nishimura R, Ornato JP, Page RL, Riegel B. ACC/AHA 2007 Guidelines for the Management of Patients With Unstable Angina/Non–ST-Elevation Myocardial Infarction. Circulation 2007, 116: e148-e304. PMID: 17679616, DOI: 10.1161/circulationaha.107.181940.Peer-Reviewed Original ResearchACC/AHA 2007 Guidelines for the Management of Patients With Unstable Angina/Non–ST-Elevation Myocardial Infarction
Anderson JL, Adams CD, Antman EM, Bridges CR, Califf RM, Casey DE, Chavey WE, Fesmire FM, Hochman JS, Levin TN, Lincoff AM, Peterson ED, Theroux P, Wenger NK, Wright RS, Smith SC, Jacobs AK, Adams CD, Anderson JL, Antman EM, Halperin JL, Hunt SA, Krumholz HM, Kushner FG, Lytle BW, Nishimura R, Ornato JP, Page RL, Riegel B. ACC/AHA 2007 Guidelines for the Management of Patients With Unstable Angina/Non–ST-Elevation Myocardial Infarction. Journal Of The American College Of Cardiology 2007, 50: e1-e157. PMID: 17692738, DOI: 10.1016/j.jacc.2007.02.013.Peer-Reviewed Original ResearchAcute Coronary Care in the Elderly, Part I
Alexander KP, Newby LK, Cannon CP, Armstrong PW, Gibler WB, Rich MW, Van de Werf F, White HD, Weaver WD, Naylor MD, Gore JM, Krumholz HM, Ohman EM. Acute Coronary Care in the Elderly, Part I. Circulation 2007, 115: 2549-2569. PMID: 17502590, DOI: 10.1161/circulationaha.107.182615.Peer-Reviewed Original ResearchMeSH KeywordsAcute DiseaseAge FactorsAgedAged, 80 and overAngina, UnstableAngioplasty, Balloon, CoronaryAnticoagulantsCardiac CatheterizationClinical Trials as TopicComorbidityCreatinineDisease ManagementDisease SusceptibilityDose-Response Relationship, DrugEvidence-Based MedicineFemaleHospital MortalityHumansKidneyLife ExpectancyMaleMetabolic Clearance RateMulticenter Studies as TopicMyocardial InfarctionPlatelet Aggregation InhibitorsPractice Guidelines as TopicRegistriesRisk AssessmentRisk FactorsStentsTreatment OutcomeConceptsAcute coronary syndromeElderly patientsOlder patientsInvasive treatmentSegment elevation acute coronary syndromesAmerican Heart Association scientific statementST-segment elevation myocardial infarctionElevation acute coronary syndromeComplex health statusAcute coronary careSubset of patientsAcute cardiac diseaseAge subgroup analysisTreatment-related benefitsGuideline-based careTreatment-related risksOutcomes of importanceQuality of lifeLimited trial dataCommunity practiceBasis of ageApplication of evidenceHigher disease riskGeriatric perspectiveCoronary syndromeAcute Coronary Care in the Elderly, Part II
Alexander KP, Newby LK, Armstrong PW, Cannon CP, Gibler WB, Rich MW, Van de Werf F, White HD, Weaver WD, Naylor MD, Gore JM, Krumholz HM, Ohman EM. Acute Coronary Care in the Elderly, Part II. Circulation 2007, 115: 2570-2589. PMID: 17502591, DOI: 10.1161/circulationaha.107.182616.Peer-Reviewed Original ResearchMeSH KeywordsAcute DiseaseAge FactorsAgedAged, 80 and overAngina, UnstableAngioplasty, Balloon, CoronaryCardiovascular AgentsClinical Trials as TopicCombined Modality TherapyDisease ManagementDisease SusceptibilityEvidence-Based MedicineFemaleFibrinolytic AgentsGeriatricsHumansMaleMiddle AgedMulticenter Studies as TopicMyocardial InfarctionMyocardial RevascularizationPatient RightsPractice Guidelines as TopicPrejudiceQuality of LifeRegistriesRisk FactorsStentsThrombolytic TherapyTreatment OutcomeConceptsST-segment elevation myocardial infarctionElderly patientsMyocardial infarctionInvasive treatmentAmerican Heart Association scientific statementOlder adultsComplex health statusGuideline-recommended careTreatment-associated risksAcute coronary syndromeAcute coronary careTreatment-related benefitsAge 85 yearsPatient-centered mannerQuality of lifeLimited trial dataCoronary syndromeReperfusion strategyAbsolute contraindicationAdjunctive therapyCardiovascular medicationsOlder patientsCoronary careGeriatric conditionsElderly subgroupNonvalidation of Reported Genetic Risk Factors for Acute Coronary Syndrome in a Large-Scale Replication Study
Morgan TM, Krumholz HM, Lifton RP, Spertus JA. Nonvalidation of Reported Genetic Risk Factors for Acute Coronary Syndrome in a Large-Scale Replication Study. JAMA 2007, 297: 1551-1561. PMID: 17426274, DOI: 10.1001/jama.297.14.1551.Peer-Reviewed Original Research
2006
Time Course of Depression and Outcome of Myocardial Infarction
Parashar S, Rumsfeld JS, Spertus JA, Reid KJ, Wenger NK, Krumholz HM, Amin A, Weintraub WS, Lichtman J, Dawood N, Vaccarino V. Time Course of Depression and Outcome of Myocardial Infarction. JAMA Internal Medicine 2006, 166: 2035-2043. PMID: 17030839, DOI: 10.1001/archinte.166.18.2035.Peer-Reviewed Original ResearchMeSH KeywordsActivities of Daily LivingAngina, UnstableAntidepressive AgentsDepressionFemaleHealth StatusHumansMaleMiddle AgedMultivariate AnalysisMyocardial InfarctionOutcome Assessment, Health CarePatient ReadmissionPrognosisProspective StudiesQuality of LifeRegistriesSeverity of Illness IndexSurveys and QuestionnairesTime FactorsUnited StatesConceptsPatient Health QuestionnaireMyocardial infarctionDepressive symptomsPrognostic importanceWorse outcomesPersistent depressionHealth statusAdjusted hazard ratioAcute myocardial infarctionCorresponding odds ratiosCategories of depressionMore physical limitationsTime courseFrequent anginaHigher rehospitalizationCause rehospitalizationNondepressed patientsProspective registryHazard ratioOdds ratioHealth QuestionnaireMortality rateDisease severityRehospitalizationFirst monthDelay in the Diagnosis of Acute Myocardial Infarction: Effect on Quality of Care and Its Assessment
Graff LG, Wang Y, Borkowski B, Tuozzo K, Foody JM, Krumholz HM, Radford MJ. Delay in the Diagnosis of Acute Myocardial Infarction: Effect on Quality of Care and Its Assessment. Academic Emergency Medicine 2006, 13: 931-938. PMID: 16894002, DOI: 10.1197/j.aem.2006.04.016.Peer-Reviewed Original ResearchMeSH KeywordsAdrenergic beta-AntagonistsAge DistributionAgedAged, 80 and overAngina, UnstableAspirinCohort StudiesConnecticutEvidence-Based MedicineFemaleFibrinolytic AgentsHumansMaleMyocardial InfarctionPatient AdmissionQuality Assurance, Health CareQuality of Health CareRetrospective StudiesTime FactorsConceptsAcute myocardial infarctionAdmission diagnosisBeta blockersQuality of careMyocardial infarctionDiagnosis of AMICharacteristics of patientsPercutaneous coronary interventionPrincipal discharge diagnosisEvidence-based therapiesRate of administrationCoronary interventionCardiac catheterizationDischarge diagnosisPrincipal diagnosisFrequency of delaysDischarge statusPatient careAdmissionAMI diagnosisPatientsDiagnosisMedicare casesCareInfarction
2005
Relation of Anemia at Discharge to Survival After Acute Coronary Syndromes
Vaglio J, Safley DM, Rahman M, Kosiborod M, Jones P, Thompson R, Krumholz HM, Spertus JA. Relation of Anemia at Discharge to Survival After Acute Coronary Syndromes. The American Journal Of Cardiology 2005, 96: 496-499. PMID: 16098299, DOI: 10.1016/j.amjcard.2005.04.008.Peer-Reviewed Original ResearchMeSH KeywordsAgedAnemiaAngina, UnstableBiomarkersCause of DeathCoronary AngiographyDisease ProgressionElectrocardiographyFemaleFollow-Up StudiesHematocritHumansMaleMiddle AgedMissouriMyocardial InfarctionPatient DischargePrognosisProspective StudiesSeverity of Illness IndexSurvival RateTime FactorsTroponin
2001
Quality 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
2000
Anti-thrombotic therapy for elderly patients with acute coronary syndromes
Chen Y, Tuohy E, Krumholz H. Anti-thrombotic therapy for elderly patients with acute coronary syndromes. Coronary Artery Disease 2000, 11: 323-330. PMID: 10860175, DOI: 10.1097/00019501-200006000-00005.Peer-Reviewed Original Research
1998
Trends in the Quality of Care for Medicare Beneficiaries Admitted to the Hospital With Unstable Angina
Krumholz H, Philbin D, Wang Y, Vaccarino V, Murillo J, Therrien M, Williams J, Radford M. Trends in the Quality of Care for Medicare Beneficiaries Admitted to the Hospital With Unstable Angina. Journal Of The American College Of Cardiology 1998, 31: 957-963. PMID: 9561993, DOI: 10.1016/s0735-1097(98)00106-5.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overAngina, UnstableAnticoagulantsAspirinConnecticutFemaleGuideline AdherenceHeparinHospitalsHumansMaleMedicarePlatelet Aggregation InhibitorsPractice Guidelines as TopicQuality Indicators, Health CareQuality of Health CareRetrospective StudiesSurvival AnalysisUnited StatesConceptsUse of aspirinUnstable anginaElderly patientsConsecutive patientsHospital admissionRetrospective cohort studyPrincipal discharge diagnosisPatterns of treatmentCare of patientsGuideline-based useQuality of careHealth care policyAHCPR guidelinesChest painHospital dischargeCohort studyMedical chartsPatient factorsDischarge diagnosisPatient outcomesPractice patternsConnecticut hospitalsPractice guidelinesAnginaMedicare beneficiaries
1994
Lack of Association Between Cholesterol and Coronary Heart Disease Mortality and Morbidity and All-Cause Mortality in Persons Older Than 70 Years
Krumholz HM, Seeman TE, Merrill SS, Mendes de Leon CF, Vaccarino V, Silverman DI, Tsukahara R, Ostfeld AM, Berkman LF. Lack of Association Between Cholesterol and Coronary Heart Disease Mortality and Morbidity and All-Cause Mortality in Persons Older Than 70 Years. JAMA 1994, 272: 1335-1340. PMID: 7772105, DOI: 10.1001/jama.1994.03520170045034.Peer-Reviewed Original ResearchConceptsCoronary heart disease mortalityHeart disease mortalityTotal serum cholesterolSerum cholesterol levelsRisk factor-adjusted odds ratioFactor-adjusted odds ratiosTotal serum cholesterol levelsCause mortalityCoronary heart diseaseHDL-C levelsUnstable anginaHighest tertileCholesterol levelsSerum cholesterolMyocardial infarctionDisease mortalityLow HDLLowest tertileHeart diseaseRisk factorsOdds ratioElevated total serum cholesterol levelsHigher total serum cholesterolCommunity-based cohort studyHigh-density lipoprotein cholesterol