2021
Ticagrelor vs Clopidogrel for Patients With Acute Coronary Syndrome Undergoing Percutaneous Intervention—Reply
You SC, Gupta A, Krumholz HM. Ticagrelor vs Clopidogrel for Patients With Acute Coronary Syndrome Undergoing Percutaneous Intervention—Reply. JAMA 2021, 325: 890-891. PMID: 33651089, DOI: 10.1001/jama.2020.26023.Peer-Reviewed Original Research
2020
Antiplatelet strategies in acute coronary syndromes: design and methodology of an international collaborative network meta-analysis of randomized controlled trials.
Madhavan M, Bikdeli B, Redfors B, Biondi-Zoccai G, Varunok N, Burton J, Crowley A, Francese D, Gupta A, DER Nigoghossian C, Chatterjee S, Palmerini T, Benedetto U, You S, Ohman E, Kastrati A, Steg P, Gibson C, Angiolillo D, Krumholz H, Stone G. Antiplatelet strategies in acute coronary syndromes: design and methodology of an international collaborative network meta-analysis of randomized controlled trials. Minerva Cardioangiologica 2020, 69: 398-407. PMID: 33258563, DOI: 10.23736/s2724-5683.20.05353-0.Peer-Reviewed Original ResearchConceptsAcute coronary syndromeNetwork meta-analysisIncidence rate ratiosReceptor inhibitorsRandom-effects methodMeta-analysisCoronary syndromeMonths of follow-up timePatients of advanced ageControlled trialsBackground of aspirinEfficacy of prasugrelST-elevation myocardial infarctionCochrane Central Register of Controlled TrialsCentral Register of Controlled TrialsFollow-up timeFrequentist network meta-analysisManagement of patientsRegister of Controlled TrialsShort-term outcomesLong-term outcomesCochrane Central RegisterRandomized controlled trialsHemorrhagic outcomesAntiplatelet strategiesAntiplatelet strategies in acute coronary syndromes: design and methodology of an international collaborative network meta-analysis of randomized controlled trials
Madhavan MV, Bikdeli B, Redfors B, Biondi-Zoccai G, Varunok NJ, Burton JR, Crowley A, Francese DP, Gupta A, Der Nigoghossian C, Chatterjee S, Palmerini T, Benedetto U, You S, Ohman M, Kastrati A, Steg PG, Gibson C, Angiolillo DJ, Krumholz HM, Stone GW. Antiplatelet strategies in acute coronary syndromes: design and methodology of an international collaborative network meta-analysis of randomized controlled trials. Minerva Cardioangiologica 2020 DOI: 10.23736/s0026-4725.20.05353-0.Peer-Reviewed Original ResearchAssociation of Ticagrelor vs Clopidogrel With Net Adverse Clinical Events in Patients With Acute Coronary Syndrome Undergoing Percutaneous Coronary Intervention
You SC, Rho Y, Bikdeli B, Kim J, Siapos A, Weaver J, Londhe A, Cho J, Park J, Schuemie M, Suchard MA, Madigan D, Hripcsak G, Gupta A, Reich CG, Ryan PB, Park RW, Krumholz HM. Association of Ticagrelor vs Clopidogrel With Net Adverse Clinical Events in Patients With Acute Coronary Syndrome Undergoing Percutaneous Coronary Intervention. JAMA 2020, 324: 1640-1650. PMID: 33107944, PMCID: PMC7592033, DOI: 10.1001/jama.2020.16167.Peer-Reviewed Original ResearchMeSH KeywordsAcute Coronary SyndromeAdultAgedAged, 80 and overAlgorithmsAspirinCase-Control StudiesCause of DeathClopidogrelDatabases, FactualDyspneaFemaleHemorrhageHumansIschemiaMaleMiddle AgedMyocardial InfarctionNetwork Meta-AnalysisPercutaneous Coronary InterventionPropensity ScorePurinergic P2Y Receptor AntagonistsRecurrenceRepublic of KoreaRetrospective StudiesStrokeTicagrelorUnited StatesConceptsNet adverse clinical eventsAcute coronary syndromePercutaneous coronary interventionAdverse clinical eventsHemorrhagic eventsIschemic eventsHazard ratioCause mortalityCoronary syndromeCoronary interventionClinical eventsRisk of NACEClinical practiceLarge randomized clinical trialsPrimary end pointRetrospective cohort studyPropensity-matched pairsSummary hazard ratioRandomized clinical trialsRoutine clinical practiceSignificant differencesP2Y12 platelet inhibitorsTicagrelor groupCohort studySecondary outcomesExtrapulmonary manifestations of COVID-19
Gupta A, Madhavan MV, Sehgal K, Nair N, Mahajan S, Sehrawat TS, Bikdeli B, Ahluwalia N, Ausiello JC, Wan EY, Freedberg DE, Kirtane AJ, Parikh SA, Maurer MS, Nordvig AS, Accili D, Bathon JM, Mohan S, Bauer KA, Leon MB, Krumholz HM, Uriel N, Mehra MR, Elkind MSV, Stone GW, Schwartz A, Ho DD, Bilezikian JP, Landry DW. Extrapulmonary manifestations of COVID-19. Nature Medicine 2020, 26: 1017-1032. PMID: 32651579, DOI: 10.1038/s41591-020-0968-3.Peer-Reviewed Original ResearchConceptsExtrapulmonary manifestationsCOVID-19Acute kidney injuryAcute coronary syndromeSpectrum of manifestationsCoronavirus SARS-CoV-2SARS-CoV-2Coronary syndromeGastrointestinal symptomsKidney injuryOcular symptomsThrombotic complicationsHepatocellular injuryEndothelial damageMyocardial dysfunctionDermatologic complicationsNeurologic illnessRespiratory pathologyImmune responseExtrapulmonary tissuesTherapeutic strategiesEntry receptorTissue damageOrgan systemsInjury
2018
Emergency Department Volume and Outcomes for Patients After Chest Pain Assessment
Ko DT, Dattani ND, Austin PC, Schull MJ, Ross JS, Wijeysundera HC, Tu JV, Eberg M, Koh M, Krumholz HM. Emergency Department Volume and Outcomes for Patients After Chest Pain Assessment. Circulation Cardiovascular Quality And Outcomes 2018, 11: e004683. PMID: 30354285, DOI: 10.1161/circoutcomes.118.004683.Peer-Reviewed Original ResearchConceptsAcute coronary syndromeChest painHigh-volume EDsCoronary syndromeED volumeVolume thresholdCardiac medication useChest pain assessmentLower adverse outcomesEmergency department visitsAdjusted odds ratioPopulation-based dataProcess of carePotential confounding variablesHigher ED volumesHierarchical logistic regression modelsLogistic regression modelsEmergency department volumeCause deathCardiac testingComposite outcomeDepartment visitsDiabetes mellitusMedication usePrimary outcomeClinical Outcomes of Plavix and Generic Clopidogrel for Patients Hospitalized With an Acute Coronary Syndrome
Ko DT, Krumholz HM, Tu JV, Austin PC, Stukel TA, Koh M, Chong A, de Melo JF, Jackevicius CA. Clinical Outcomes of Plavix and Generic Clopidogrel for Patients Hospitalized With an Acute Coronary Syndrome. Circulation Cardiovascular Quality And Outcomes 2018, 11: e004194. PMID: 29535091, DOI: 10.1161/circoutcomes.117.004194.Peer-Reviewed Original ResearchMeSH KeywordsAcute Coronary SyndromeAgedAged, 80 and overClopidogrelCost SavingsCost-Benefit AnalysisDatabases, FactualDrug CostsDrug SubstitutionDrugs, GenericFemaleHemorrhageHumansMaleOntarioPatient AdmissionPatient ReadmissionPlatelet Aggregation InhibitorsPurinergic P2Y Receptor AntagonistsRecurrenceRisk AssessmentRisk FactorsTime FactorsTreatment OutcomeConceptsAcute coronary syndromeGeneric clopidogrelClinical outcomesCoronary syndromePrimary outcomeRecurrent acute coronary syndromeSubstantial healthcare cost savingsPopulation-based observational studyPropensity-weighted cohortsComposite of deathTransient ischemic attackComposite end pointEffect of clopidogrelElevation myocardial infarctionHealthcare cost savingsCox proportional hazardsRate of deathIschemic attackACS hospitalizationCause readmissionBaseline characteristicsHospital dischargeRecurrent hospitalizationsMean ageMyocardial infarction
2016
Comparative Effectiveness of Generic Atorvastatin and Lipitor® in Patients Hospitalized with an Acute Coronary Syndrome
Jackevicius CA, Tu JV, Krumholz HM, Austin PC, Ross JS, Stukel TA, Koh M, Chong A, Ko DT. Comparative Effectiveness of Generic Atorvastatin and Lipitor® in Patients Hospitalized with an Acute Coronary Syndrome. Journal Of The American Heart Association 2016, 5: e003350. PMID: 27098970, PMCID: PMC4859299, DOI: 10.1161/jaha.116.003350.Peer-Reviewed Original ResearchConceptsGeneric atorvastatinACS hospitalizationSecondary outcomesClinical effectivenessAcute coronary syndrome hospitalizationPopulation-based cohort studyNew-onset diabetesAcute coronary syndromeDays of dischargePrespecified subgroup analysisPropensity-matched pairsInfrequent side effectsBrand-name medicationsSignificant differencesHealth care plansRecurrent ACSAdmission diagnosisAtorvastatin doseCardiovascular outcomesCoronary syndromeCohort studyRenal failureHeart failurePrimary outcomeMean age
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 history
2013
Quality of Discharge Practices and Patient Understanding at an Academic Medical Center
Horwitz LI, Moriarty JP, Chen C, Fogerty RL, Brewster UC, Kanade S, Ziaeian B, Jenq GY, Krumholz HM. Quality of Discharge Practices and Patient Understanding at an Academic Medical Center. JAMA Internal Medicine 2013, 173: 1715-1722. PMID: 23958851, PMCID: PMC3836871, DOI: 10.1001/jamainternmed.2013.9318.Peer-Reviewed Original ResearchConceptsPatient understandingAcademic medical centerDischarge instructionsPatients' perceptionsDischarge practicesDischarge careTransitional carePostdischarge interviewsMedical CenterProspective observational cohort studyDischarge care qualityPatients 65 yearsAcute coronary syndromeObservational cohort studyPatient-centered perspectiveCardiology appointmentsCoronary syndromeCohort studyPostdischarge careHeart failureDischarge planningMean agePrimary careDiet advicePatient's perspective2013 ACCF/AHA Key Data Elements and Definitions for Measuring the Clinical Management and Outcomes of Patients With Acute Coronary Syndromes and Coronary Artery Disease
Cannon CP, Brindis RG, Chaitman BR, Cohen DJ, Cross JT, Drozda JP, Fesmire FM, Fintel DJ, Fonarow GC, Fox KA, Gray DT, Harrington RA, Hicks KA, Hollander JE, Krumholz H, Labarthe DR, Long JB, Mascette AM, Meyer C, Peterson ED, Radford MJ, Roe MT, Richmann JB, Selker HP, Shahian DM, Shaw RE, Sprenger S, Swor R, Underberg JA, Van de Werf F, Weiner BH, Weintraub WS. 2013 ACCF/AHA Key Data Elements and Definitions for Measuring the Clinical Management and Outcomes of Patients With Acute Coronary Syndromes and Coronary Artery Disease. Critical Pathways In Cardiology A Journal Of Evidence-Based Medicine 2013, 12: 65-105. PMID: 23680811, DOI: 10.1097/hpc.0b013e3182846e16.Peer-Reviewed Original ResearchComprehensive quality of discharge summaries at an academic medical center
Horwitz LI, Jenq GY, Brewster UC, Chen C, Kanade S, Van Ness P, Araujo KL, Ziaeian B, Moriarty JP, Fogerty RL, Krumholz HM. Comprehensive quality of discharge summaries at an academic medical center. Journal Of Hospital Medicine 2013, 8: 436-443. PMID: 23526813, PMCID: PMC3695055, DOI: 10.1002/jhm.2021.Peer-Reviewed Original ResearchConceptsDays of dischargeDischarge summariesAcute coronary syndromeProspective cohort studyAdvanced practice nursesImproved patient outcomesAcademic medical centerDischarge summary qualityCoronary syndromeCohort studyOutpatient cliniciansHeart failureOutside physiciansPractice nursesOutpatient physiciansPatient outcomesMedical CenterConsensus conferenceJoint CommissionMedical societiesPatientsSafe transitionTotalPhysiciansDaysCenters for Cardiovascular Outcomes Research
Cook NL, Bonds DE, Kiefe CI, Curtis JP, Krumholz HM, Kressin NR, Peterson ED. Centers for Cardiovascular Outcomes Research. Circulation Cardiovascular Quality And Outcomes 2013, 6: 223-228. PMID: 23481526, PMCID: PMC3684990, DOI: 10.1161/circoutcomes.0b013e31828e8d5c.Peer-Reviewed Original ResearchMeSH KeywordsCardiovascular DiseasesContinuity of Patient CareCooperative BehaviorHealth Care ReformHealth Services ResearchHealthcare DisparitiesHumansInterdisciplinary CommunicationInterinstitutional RelationsMulticenter Studies as TopicNational Heart, Lung, and Blood Institute (U.S.)Organizational ObjectivesOutcome Assessment, Health CareProgram DevelopmentProgram EvaluationQuality Indicators, Health CareQuality of LifeTreatment OutcomeUnited StatesConceptsCardiovascular Outcomes ResearchOutcomes research programsBlood InstituteNational HeartCardiovascular conditionsCross-program collaborationOutcomes researchAcute coronary syndromeBetter patient outcomesQuality of lifeCoronary syndromeVenous thromboembolismClinical eventsCare transitionsPatient outcomesDisparate careEarly-stage investigatorsClinical practiceTranslational gapLungNational InstituteHealthcare deliveryOutcomesHeartCare2013 ACCF/AHA Key Data Elements and Definitions for Measuring the Clinical Management and Outcomes of Patients With Acute Coronary Syndromes and Coronary Artery Disease
Cannon CP, Brindis RG, Chaitman BR, Cohen DJ, Cross JT, Drozda JP, Fesmire FM, Fintel DJ, Fonarow GC, Fox KA, Gray DT, Harrington RA, Hicks KA, Hollander JE, Krumholz H, Labarthe DR, Long JB, Mascette AM, Meyer C, Peterson ED, Radford MJ, Roe MT, Richmann JB, Selker HP, Shahian DM, Shaw RE, Sprenger S, Swor R, Underberg JA, Van de Werf F, Weiner BH, Weintraub WS. 2013 ACCF/AHA Key Data Elements and Definitions for Measuring the Clinical Management and Outcomes of Patients With Acute Coronary Syndromes and Coronary Artery Disease. Circulation 2013, 127: 1052-1089. PMID: 23357718, DOI: 10.1161/cir.0b013e3182831a11.Peer-Reviewed Original Research2013 ACCF/AHA Key Data Elements and Definitions for Measuring the Clinical Management and Outcomes of Patients With Acute Coronary Syndromes and Coronary Artery Disease A Report of the American College of Cardiology Foundation/American Heart Association Task Force on Clinical Data Standards (Writing Committee to Develop Acute Coronary Syndromes and Coronary Artery Disease Clinical Data Standards)
Cannon CP, Brindis RG, Chaitman BR, Cohen DJ, Cross JT, Drozda JP, Fesmire FM, Fintel DJ, Fonarow GC, Fox KA, Gray DT, Harrington RA, Hicks KA, Hollander JE, Krumholz H, Labarthe DR, Long JB, Mascette AM, Meyer C, Peterson ED, Radford MJ, Roe MT, Richmann JB, Selker HP, Shahian DM, Shaw RE, Sprenger S, Swor R, Underberg JA, Van de Werf F, Weiner BH, Weintraub WS. 2013 ACCF/AHA Key Data Elements and Definitions for Measuring the Clinical Management and Outcomes of Patients With Acute Coronary Syndromes and Coronary Artery Disease A Report of the American College of Cardiology Foundation/American Heart Association Task Force on Clinical Data Standards (Writing Committee to Develop Acute Coronary Syndromes and Coronary Artery Disease Clinical Data Standards). Journal Of The American College Of Cardiology 2013, 61: 992-1025. PMID: 23369353, PMCID: PMC5681220, DOI: 10.1016/j.jacc.2012.10.005.Peer-Reviewed Original Research
2011
Investigation of 95 variants identified in a genome-wide study for association with mortality after acute coronary syndrome
Morgan TM, House JA, Cresci S, Jones P, Allayee H, Hazen SL, Patel Y, Patel RS, Eapen DJ, Waddy SP, Quyyumi AA, Kleber ME, März W, Winkelmann BR, Boehm BO, Krumholz HM, Spertus JA. Investigation of 95 variants identified in a genome-wide study for association with mortality after acute coronary syndrome. BMC Medical Genomics 2011, 12: 127. PMID: 21957892, PMCID: PMC3190329, DOI: 10.1186/1471-2350-12-127.Peer-Reviewed Original ResearchMeSH KeywordsAcute Coronary SyndromeAgedAged, 80 and overAminohydrolasesCohort StudiesFemaleFormate-Tetrahydrofolate LigaseGenetic VariationGenome-Wide Association StudyGenotypeHumansKaplan-Meier EstimateMaleMethylenetetrahydrofolate Dehydrogenase (NADP)Middle AgedMultienzyme ComplexesMyocardial InfarctionPolymorphism, Single NucleotideProportional Hazards ModelsRisk FactorsWhite PeopleConceptsAcute coronary syndromeCoronary syndromeCoronary artery disease patientsKaplan-Meier survival analysisACS risk factorsCoronary artery diseaseUniversity-affiliated hospitalMyocardial infarction patientsPremature myocardial infarctionRace-adjusted analysesACS mortalityArtery diseaseCox regressionBorderline significanceDisease patientsInfarction patientsMyocardial infarctionRisk factorsMortality hazardIndependent cohortSurvival analysisDiverse cohortPatientsRelevant covariatesBackgroundGenome-wide association studies
2010
Implementation of a Registry for Acute Coronary Syndrome in Resource-Limited Settings: Barriers and Opportunities
Safavi K, Linnander EL, Allam AA, Bradley EH, Krumholz HM. Implementation of a Registry for Acute Coronary Syndrome in Resource-Limited Settings: Barriers and Opportunities. Asia Pacific Journal Of Public Health 2010, 22: 90s-95s. PMID: 20566539, DOI: 10.1177/1010539510373017.Peer-Reviewed Original ResearchConceptsAcute coronary syndromeCardiovascular diseaseCoronary syndromeHealth systemClinical Outcomes RegistryEvidence-based careCause of deathResource limited settingsResource-limited settingsWorld health systemsQuality improvement activitiesMiddle-income countriesOutcomes RegistryHigh-quality treatmentBlame-free cultureClinical registryRegistrySyndromeImprovement activitiesHospitalDiseaseSetting
2008
Investigation of 89 candidate gene variants for effects on all-cause mortality following acute coronary syndrome
Morgan TM, Xiao L, Lyons P, Kassebaum B, Krumholz HM, Spertus JA. Investigation of 89 candidate gene variants for effects on all-cause mortality following acute coronary syndrome. BMC Medical Genomics 2008, 9: 66. PMID: 18620593, PMCID: PMC2483267, DOI: 10.1186/1471-2350-9-66.Peer-Reviewed Original ResearchConceptsAcute coronary syndromeRisk factorsACS mortalityCoronary syndromeTraditional cardiac risk factorsKaplan-Meier survival analysisMultivariate risk prediction modelCardiac risk factorsPutative genetic risk factorsGene variantsUniversity-affiliated hospitalBorderline statistical significanceGenetic risk factorsSystematic literature searchRisk prediction modelGenetic variantsCandidate gene variantsACS survivorsCause mortalityACS casesCox regressionPatient cohortClinical prognosisPotential confoundingSurvival analysis
2007
Acute 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 subgroup