2018
Percutaneous Coronary Intervention in Patients Without Acute Myocardial Infarction in China
Lu Y, Zhang H, Wang Y, Zhou T, Welsh J, Liu J, Guan W, Li J, Li X, Zheng X, Spertus JA, Masoudi FA, Krumholz HM, Jiang L. Percutaneous Coronary Intervention in Patients Without Acute Myocardial Infarction in China. JAMA Network Open 2018, 1: e185446. PMID: 30646292, PMCID: PMC6324328, DOI: 10.1001/jamanetworkopen.2018.5446.Peer-Reviewed Original ResearchConceptsStable coronary artery diseaseAcute myocardial infarctionCoronary artery diseaseSeattle Angina QuestionnairePercutaneous coronary interventionClinical improvementSmall clinical improvementAngina symptomsUnstable anginaArtery diseaseHealth statusCoronary interventionSymptom burdenMyocardial infarctionSAQ scoresSAQ angina frequency scorePatient-reported health statusPercutaneous coronary intervention (PCI) proceduresSelf-reported health statusAngina frequency scoreMulticenter cohort studyGreater clinical improvementSubstantial clinical improvementIschemic heart diseaseCoronary intervention procedures
2014
Design and Rationale of Gulf locals with Acute Coronary Syndrome Events (Gulf Coast) Registry
Zubaid M, Thani KB, Rashed W, Alsheikh-Ali A, Alrawahi N, Ridha M, Akbar M, Alenezi F, Alhamdan R, Almahmeed W, Ouda H, Al-Mulla A, Baslaib F, Shehab A, Alnuaimi A, Amin H, Krumholz HM, . Design and Rationale of Gulf locals with Acute Coronary Syndrome Events (Gulf Coast) Registry. The Open Cardiovascular Medicine Journal 2014, 8: 88-93. PMID: 25328551, PMCID: PMC4197526, DOI: 10.2174/1874192401408010088.Peer-Reviewed Original ResearchAcute coronary syndromeST-segment elevation myocardial infarctionElevation myocardial infarctionMyocardial infarctionRisk profileBundle branch block myocardial infarctionDiagnosis of ACSSegment elevation myocardial infarctionCardiovascular risk profileGulf COAST registryHistory of hypertensionOne-year outcomesPast medical historyEvent registryHigh-risk profileActive smokingHospital presentationCoronary syndromePatient demographicsUnstable anginaDischarge diagnosisMean ageTherapeutic managementPhysical findingsMedical historyTrends in Hospitalizations and Outcomes for Acute Cardiovascular Disease and Stroke, 1999–2011
Krumholz HM, Normand SL, Wang Y. Trends in Hospitalizations and Outcomes for Acute Cardiovascular Disease and Stroke, 1999–2011. Circulation 2014, 130: 966-975. PMID: 25135276, PMCID: PMC4171056, DOI: 10.1161/circulationaha.113.007787.Peer-Reviewed Original ResearchConceptsAcute cardiovascular diseaseCardiovascular diseaseIschemic strokeUnstable anginaHeart failureMyocardial infarctionNational Medicare dataYears of ageQuality of careDemographic subgroupsReadmission outcomesHospitalization ratesMortality overallService patientsCardiovascular conditionsAdjusted ratesHospitalizationMedicare dataMortality rateStrokeMortalityDiseaseAnginaReadmissionInfarction
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 failure
2004
Delay in diagnosis of acute myocardial infarction: Increasingly common, lower quality of care
Graff L, Wang Y, Foody J, Meehan T, Tuozzo K, Krumholz H, Radford M. Delay in diagnosis of acute myocardial infarction: Increasingly common, lower quality of care. Annals Of Emergency Medicine 2004, 44: s46. DOI: 10.1016/j.annemergmed.2004.07.151.Peer-Reviewed Original ResearchAcute myocardial infarctionQuality of careDiagnosis of AMIUnstable anginaMyocardial infarctionAMI casesPossible acute myocardial infarctionCoronary artery diseaseMedical record abstractionPrincipal discharge diagnosisSecondary diagnosis codesAMI dischargeDischarge therapyAdmission diagnosisComorbidity scoreArtery diseasePatient characteristicsComorbid conditionsRecord abstractionAcute careDischarge diagnosisDiagnosis codesAnginaAMI diagnosisCare measurement
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
1999
Economics, health-related quality of life, and cost-effectiveness methods for the TACTICS (Treat Angina with Aggrastat® [tirofiban] and Determine Cost of Therapy with Invasive or Conservative Strategy)–TIMI 18 trial
Weintraub W, Culler S, Kosinski A, Becker E, Mahoney E, Burnette J, Spertus J, Feeny D, Cohen D, Krumholz H, Ellis S, Demopoulos L, Robertson D, Boccuzzi S, Barr E, Cannon C. Economics, health-related quality of life, and cost-effectiveness methods for the TACTICS (Treat Angina with Aggrastat® [tirofiban] and Determine Cost of Therapy with Invasive or Conservative Strategy)–TIMI 18 trial. The American Journal Of Cardiology 1999, 83: 317-322. PMID: 10072215, DOI: 10.1016/s0002-9149(98)00860-1.Peer-Reviewed Original ResearchConceptsQuality-adjusted life yearsHealth Utilities IndexLife yearsHealth-related qualityCost-effectiveness methodsNon-Q-wave myocardial infarctionUtility indexCost-effectiveness analysisDetermine CostImpact of invasiveEconomic formsUB92 formulationHealth care costsUnstable anginaRelative value scaleMedicare conversion factorMyocardial infarctionMedicare fee scheduleDepartmental costsEconomicsExpensive formFee scheduleTACTICS-TIMI 18Care costsOutcomes of patients
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