2023
Do PCI Facility Openings and Closures Affect AMI Outcomes Differently in High- vs Average-Capacity Markets?
Shen Y, Krumholz H, Hsia R. Do PCI Facility Openings and Closures Affect AMI Outcomes Differently in High- vs Average-Capacity Markets? JACC Cardiovascular Interventions 2023, 16: 1129-1140. PMID: 37225284, PMCID: PMC10229059, DOI: 10.1016/j.jcin.2023.02.010.Peer-Reviewed Original ResearchConceptsPercutaneous coronary interventionPCI hospitalsSame-day percutaneous coronary interventionHealth outcomesHigh-volume PCI hospitalsHospital PCI volumeRetrospective cohort studyAcute myocardial infarctionPercentage point decreasePatient health outcomesHospital revascularizationCohort studyCoronary interventionAMI outcomesPCI volumePoint decreasePoor outcomePCI facilitiesMyocardial infarctionRelative increaseHospital openingPatientsHospital availabilityHospitalHospital closuresSex Differences in Symptom Complexity and Door-to-Balloon Time in Patients With ST-Elevation Myocardial Infarction
Brush J, Chaudhry S, Dreyer R, D'Onofrio G, Greene E, Hajduk A, Lu Y, Krumholz H. Sex Differences in Symptom Complexity and Door-to-Balloon Time in Patients With ST-Elevation Myocardial Infarction. The American Journal Of Cardiology 2023, 197: 101-107. PMID: 37062667, PMCID: PMC10198892, DOI: 10.1016/j.amjcard.2023.03.009.Peer-Reviewed Original ResearchConceptsPercutaneous coronary interventionD2B timeSymptom complexityYoung womenChest painBalloon timeST-elevation myocardial infarctionSILVER-AMI StudySymptom phenotypeSex differencesPain symptomsCoronary interventionOlder patientsMyocardial infarctionOlder womenSTEMIOlder menSymptom patternsPresentation delayPatientsSymptom clustersLogistic regressionSymptomsWomenMean numberEffect of the New Glomerular Filtration Rate Estimation Equation on Risk Predicting Models for Acute Kidney Injury After Percutaneous Coronary Intervention
Huang C, Murugiah K, Li X, Masoudi F, Messenger J, Williams K, Mortazavi B, Krumholz H. Effect of the New Glomerular Filtration Rate Estimation Equation on Risk Predicting Models for Acute Kidney Injury After Percutaneous Coronary Intervention. Circulation Cardiovascular Interventions 2023, 16: e012831. PMID: 37009734, PMCID: PMC10622038, DOI: 10.1161/circinterventions.122.012831.Peer-Reviewed Original ResearchTrends in the likelihood of receiving percutaneous coronary intervention in a low-volume hospital and disparities by sociodemographic communities
Wang C, Lindquist K, Krumholz H, Hsia R. Trends in the likelihood of receiving percutaneous coronary intervention in a low-volume hospital and disparities by sociodemographic communities. PLOS ONE 2023, 18: e0279905. PMID: 36652416, PMCID: PMC9847957, DOI: 10.1371/journal.pone.0279905.Peer-Reviewed Original ResearchConceptsLow-volume hospitalsNon-Latinx WhitesRelative riskSociodemographic groupsLow-income zip codesHospital PCI volumeRetrospective cohort studyPercutaneous coronary interventionCoronary artery diseaseLow-volume centersFavorable patient outcomesLow-volume facilitiesZip code median incomeLow incomeRace/ethnicityCohort studyCoronary interventionLatinx patientsSecondary outcomesArtery diseasePCI centerPrimary outcomePCI volumeAsian patientsCertain socioeconomic factors
2021
Association of Cardiac Care Regionalization With Access, Treatment, and Mortality Among Patients With ST-Segment Elevation Myocardial Infarction
Shen YC, Krumholz H, Hsia RY. Association of Cardiac Care Regionalization With Access, Treatment, and Mortality Among Patients With ST-Segment Elevation Myocardial Infarction. Circulation Cardiovascular Quality And Outcomes 2021, 14: e007195. PMID: 33641339, PMCID: PMC7969448, DOI: 10.1161/circoutcomes.120.007195.Peer-Reviewed Original ResearchConceptsPercutaneous coronary interventionST-segment elevation myocardial infarction (STEMI) systemsSame-day percutaneous coronary interventionST-segment elevation myocardial infarctionSTEMI regionalizationLong-term mortalityOutcomes of patientsElevation myocardial infarctionPCI-capable hospitalsEmergency medical services agenciesMyocardial infarction systemLocal emergency medical services agenciesPoints greater reductionPercentage point decreasePCI capabilityCoronary interventionMyocardial infarctionAdministrative databasesPatientsSTEMIPoint decreaseMortalityTimely accessReadmissionGreater reduction
2020
Evaluation of STEMI Regionalization on Access, Treatment, and Outcomes Among Adults Living in Nonminority and Minority Communities
Hsia RY, Krumholz H, Shen YC. Evaluation of STEMI Regionalization on Access, Treatment, and Outcomes Among Adults Living in Nonminority and Minority Communities. JAMA Network Open 2020, 3: e2025874. PMID: 33196809, PMCID: PMC7670311, DOI: 10.1001/jamanetworkopen.2020.25874.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAged, 80 and overBlack or African AmericanCaliforniaCause of DeathCohort StudiesFemaleHealth Services AccessibilityHealthcare DisparitiesHispanic or LatinoHospitalizationHumansMaleMiddle AgedMinority GroupsMortalityNon-Randomized Controlled Trials as TopicPercutaneous Coronary InterventionRegional Medical ProgramsResidence CharacteristicsST Elevation Myocardial InfarctionTime-to-TreatmentWhite PeopleConceptsST-segment elevation myocardial infarctionElevation myocardial infarctionPercutaneous coronary interventionPCI-capable hospitalsZip codesNon-Hispanic whitesPatient's countyCause mortalityCohort studyCoronary interventionPCI hospitalsPCI treatmentWhite patientsCapable hospitalsMyocardial infarctionTop tertileInpatient dataMAIN OUTCOMEPatientsSTEMI regionalizationSmall improvementHospitalPotential mechanismsSame dayHispanic populationAssociation 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 outcomesIncidence, predictors, and prognostic impact of recurrent acute myocardial infarction in China
Song J, Murugiah K, Hu S, Gao Y, Li X, Krumholz HM, Zheng X, . Incidence, predictors, and prognostic impact of recurrent acute myocardial infarction in China. Heart 2020, 107: 313-318. PMID: 32938773, PMCID: PMC7873426, DOI: 10.1136/heartjnl-2020-317165.Peer-Reviewed Original ResearchRecurrent acute myocardial infarctionAcute myocardial infarctionPrognostic impactMyocardial infarctionAMI eventsHospital percutaneous coronary interventionInitial acute myocardial infarctionTime-dependent Cox regressionGuideline-based medicationsKaplan-Meier methodologyPercutaneous coronary interventionLog-rank testRenal dysfunctionCardiac eventsCoronary interventionDischarge medicationsInitial admissionChina PatientCox regressionMean ageAge 75AMI ratesHeart rateMortality rateMultivariable modellingChanges in Functional Status and Health-Related Quality of Life in Older Adults After Surgical, Interventional, or Medical Management of Acute Myocardial Infarction
Mori M, Djulbegovic M, Hajduk A, Holland ML, Krumholz HM, Chaudhry SI. Changes in Functional Status and Health-Related Quality of Life in Older Adults After Surgical, Interventional, or Medical Management of Acute Myocardial Infarction. Seminars In Thoracic And Cardiovascular Surgery 2020, 33: 72-81. PMID: 32439546, PMCID: PMC7983308, DOI: 10.1053/j.semtcvs.2020.05.001.Peer-Reviewed Original ResearchConceptsCoronary artery bypass graftPercutaneous coronary interventionAcute myocardial infarctionPhysical component scaleMedical managementFunctional statusOlder patientsMyocardial infarctionArtery bypass graftHealth-related qualityAge 75 yearsPatient-centered outcomesRisk of declinePredictors of declineQuality of lifeUnadjusted incidenceCoronary interventionADL declineCardiac surgeryMedical therapyBypass graftSF-12Multivariable modelHRQoLPatientsSex Differences in 1‐Year Health Status Following Percutaneous Coronary Intervention in Patients Without Acute Myocardial Infarction: Results From the China PEACE Prospective Study
Zheng X, Dreyer RP, Curtis JP, Liu S, Xu X, Bai X, Li X, Zhang H, Wang S, Masoudi FA, Spertus JA, Li J, Krumholz HM, Group F. Sex Differences in 1‐Year Health Status Following Percutaneous Coronary Intervention in Patients Without Acute Myocardial Infarction: Results From the China PEACE Prospective Study. Journal Of The American Heart Association 2020, 9: e014421. PMID: 32131687, PMCID: PMC7335522, DOI: 10.1161/jaha.119.014421.Peer-Reviewed Original ResearchConceptsPercutaneous coronary interventionAcute myocardial infarctionSAQ Summary ScoreCoronary interventionHealth status outcomesMyocardial infarctionHealth statusSummary scoresSAQ qualityAngina frequencyStatus outcomesPercutaneous coronary intervention studiesSAQ angina frequency scoreAngina frequency scoreCoronary Intervention StudyMarginal clinical significanceSAQ angina frequencyCardiac risk factorsChinese tertiary hospitalBackground Sex differencesSex differencesMultivariable adjustmentDiabetes mellitusTertiary hospitalLife scoresAttribution of Adverse Events Following Coronary Stent Placement Identified Using Administrative Claims Data
Dhruva SS, Parzynski CS, Gamble GM, Curtis JP, Desai NR, Yeh RW, Masoudi FA, Kuntz R, Shaw RE, Marinac‐Dabic D, Sedrakyan A, Normand S, Krumholz HM, Ross JS. Attribution of Adverse Events Following Coronary Stent Placement Identified Using Administrative Claims Data. Journal Of The American Heart Association 2020, 9: e013606. PMID: 32063087, PMCID: PMC7070203, DOI: 10.1161/jaha.119.013606.Peer-Reviewed Original ResearchMeSH KeywordsAdministrative Claims, HealthcareAgedAged, 80 and overCoronary RestenosisCoronary ThrombosisDatabases, FactualDrug-Eluting StentsFemaleHumansMaleMedicareMyocardial InfarctionPercutaneous Coronary InterventionProduct Surveillance, PostmarketingRegistriesRetreatmentRisk AssessmentRisk FactorsTime FactorsTreatment OutcomeUnited StatesConceptsIndex percutaneous coronary interventionPercutaneous coronary interventionSame coronary arteryDrug-eluting stentsNCDR CathPCI RegistrySubsequent percutaneous coronary interventionAcute myocardial infarctionCoronary arteryClaims dataCathPCI RegistryAdverse eventsIndex procedureMyocardial infarctionRepeat percutaneous coronary interventionReal-world registry dataTarget vessel revascularizationCoronary stent placementAdministrative claims dataLong-term safetyLongitudinal claims dataPotential safety eventsVessel revascularizationCoronary interventionDES placementStent thrombosis
2019
The relationship between off-hours admissions for primary percutaneous coronary intervention, door-to-balloon time and mortality for patients with ST-elevation myocardial infarction in England: a registry-based prospective national cohort study
Jayawardana S, Salas-Vega S, Cornehl F, Krumholz HM, Mossialos E. The relationship between off-hours admissions for primary percutaneous coronary intervention, door-to-balloon time and mortality for patients with ST-elevation myocardial infarction in England: a registry-based prospective national cohort study. BMJ Quality & Safety 2019, 29: 541-549. PMID: 31831635, PMCID: PMC7362773, DOI: 10.1136/bmjqs-2019-010067.Peer-Reviewed Original ResearchConceptsPrimary percutaneous coronary interventionOff-hours admissionPercutaneous coronary interventionDTB timeCoronary interventionBalloon timeST-elevation myocardial infarction (STEMI) patientsElevation myocardial infarction patientsProspective national cohort studyST-elevation myocardial infarctionCent of admissionsMedian DTB timeOff-hour effectPatient risk factorsProspective observational studyRecords of patientsPrimary outcome measureNational cohort studyTimeliness of careMyocardial infarction patientsHierarchical logistic regression modelsLogistic regression modelsHospital mortalityCohort studySecondary outcomesDevelopment and Validation of a Model for Predicting the Risk of Acute Kidney Injury Associated With Contrast Volume Levels During Percutaneous Coronary Intervention
Huang C, Li SX, Mahajan S, Testani JM, Wilson FP, Mena CI, Masoudi FA, Rumsfeld JS, Spertus JA, Mortazavi BJ, Krumholz HM. Development and Validation of a Model for Predicting the Risk of Acute Kidney Injury Associated With Contrast Volume Levels During Percutaneous Coronary Intervention. JAMA Network Open 2019, 2: e1916021. PMID: 31755952, PMCID: PMC6902830, DOI: 10.1001/jamanetworkopen.2019.16021.Peer-Reviewed Original ResearchConceptsCreatinine level increaseAcute kidney injuryPercutaneous coronary interventionContrast volumeAKI riskKidney injuryCoronary interventionBaseline riskCardiology National Cardiovascular Data Registry's CathPCI RegistryNational Cardiovascular Data Registry CathPCI RegistryRisk of AKIAcute Kidney Injury AssociatedDifferent baseline risksPCI safetyCathPCI RegistryInjury AssociatedMean ageDerivation setPreprocedural riskMAIN OUTCOMEAmerican CollegePrognostic studiesUS hospitalsCalibration slopeValidation setSex-Based Differences in Presentation, Treatment, and Complications Among Older Adults Hospitalized for Acute Myocardial Infarction
Nanna MG, Hajduk AM, Krumholz HM, Murphy TE, Dreyer RP, Alexander KP, Geda M, Tsang S, Welty FK, Safdar B, Lakshminarayan DK, Chaudhry SI, Dodson JA. Sex-Based Differences in Presentation, Treatment, and Complications Among Older Adults Hospitalized for Acute Myocardial Infarction. Circulation Cardiovascular Quality And Outcomes 2019, 12: e005691. PMID: 31607145, PMCID: PMC6913190, DOI: 10.1161/circoutcomes.119.005691.Peer-Reviewed Original ResearchMeSH KeywordsAge FactorsAgedAged, 80 and overComorbidityDisability EvaluationFemaleHealth Status DisparitiesHealthcare DisparitiesHumansLife StyleMaleMyocardial RevascularizationNon-ST Elevated Myocardial InfarctionPatient AdmissionPrevalenceProspective StudiesRisk AssessmentRisk FactorsSex FactorsSocial Determinants of HealthST Elevation Myocardial InfarctionTime FactorsTreatment OutcomeUnited StatesConceptsAcute myocardial infarctionSex-based differencesPercutaneous coronary interventionFunctional impairmentOlder adultsHospital complicationsCoronary interventionOlder patientsCoronary diseaseMyocardial infarctionAge-related functional impairmentsAge-associated functional impairmentsLower ratesPrior coronary diseaseObstructive coronary diseaseProspective observational studyNSTEMI subgroupSTEMI subgroupUnderwent revascularizationAcute myocardialChest painClinical presentationAMI subgroupRisk factorsHigh prevalenceComparison of Machine Learning Methods With National Cardiovascular Data Registry Models for Prediction of Risk of Bleeding After Percutaneous Coronary Intervention
Mortazavi BJ, Bucholz EM, Desai NR, Huang C, Curtis JP, Masoudi FA, Shaw RE, Negahban SN, Krumholz HM. Comparison of Machine Learning Methods With National Cardiovascular Data Registry Models for Prediction of Risk of Bleeding After Percutaneous Coronary Intervention. JAMA Network Open 2019, 2: e196835. PMID: 31290991, PMCID: PMC6624806, DOI: 10.1001/jamanetworkopen.2019.6835.Peer-Reviewed Original ResearchConceptsPercutaneous coronary interventionMajor bleedingC-statisticCoronary interventionMAIN OUTCOMEIndex percutaneous coronary interventionSubsequent coronary artery bypassPercutaneous coronary intervention (PCI) proceduresHospital major bleedingMajor bleeding ratesNationwide clinical registryCoronary artery bypassCoronary intervention proceduresComparative effectiveness studiesRisk score modelComplexity of presentationMean c-statisticCoronary angiography dataRegistry modelNCDR modelsArtery bypassBleeding eventsPrediction of riskClinical variablesBleeding rateTwenty-Year Trends in Outcomes for Older Adults With Acute Myocardial Infarction in the United States
Krumholz HM, Normand ST, Wang Y. Twenty-Year Trends in Outcomes for Older Adults With Acute Myocardial Infarction in the United States. JAMA Network Open 2019, 2: e191938. PMID: 30874787, PMCID: PMC6484647, DOI: 10.1001/jamanetworkopen.2019.1938.Peer-Reviewed Original ResearchConceptsAcute myocardial infarctionRecurrent acute myocardial infarctionPercutaneous coronary interventionAMI dischargeCause readmissionCoronary interventionMyocardial infarctionMedicare feeCoronary artery bypass graft surgery ratesCoronary artery bypass graft surgeryArtery bypass graft surgeryInpatient percutaneous coronary interventionRate of catheterizationBypass graft surgeryShort-term mortalityInpatient paymentsQuality of careTwenty-year trendsEvolution of outcomesHospital mortalityHospital stayInpatient outcomesCause mortalityGraft surgeryCohort study
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 proceduresEnhancing the prediction of acute kidney injury risk after percutaneous coronary intervention using machine learning techniques: A retrospective cohort study
Huang C, Murugiah K, Mahajan S, Li SX, Dhruva SS, Haimovich JS, Wang Y, Schulz WL, Testani JM, Wilson FP, Mena CI, Masoudi FA, Rumsfeld JS, Spertus JA, Mortazavi BJ, Krumholz HM. Enhancing the prediction of acute kidney injury risk after percutaneous coronary intervention using machine learning techniques: A retrospective cohort study. PLOS Medicine 2018, 15: e1002703. PMID: 30481186, PMCID: PMC6258473, DOI: 10.1371/journal.pmed.1002703.Peer-Reviewed Original ResearchMeSH KeywordsAcute Kidney InjuryAgedClinical Decision-MakingData MiningDecision Support TechniquesFemaleHumansMachine LearningMaleMiddle AgedPercutaneous Coronary InterventionProtective FactorsRegistriesReproducibility of ResultsRetrospective StudiesRisk AssessmentRisk FactorsTime FactorsTreatment OutcomeConceptsPercutaneous coronary interventionNational Cardiovascular Data RegistryRisk prediction modelAKI eventsAKI riskCoronary interventionAKI modelMean ageCardiology-National Cardiovascular Data RegistryAcute kidney injury riskAKI risk predictionRetrospective cohort studyIdentification of patientsCandidate variablesAvailable candidate variablesCohort studyPCI proceduresPoint of careBrier scoreAmerican CollegeData registryPatientsCalibration slopeInjury riskSame cohortComparison of Physician Visual Assessment With Quantitative Coronary Angiography in Assessment of Stenosis Severity in China
Zhang H, Mu L, Hu S, Nallamothu BK, Lansky AJ, Xu B, Bouras G, Cohen DJ, Spertus JA, Masoudi FA, Curtis JP, Gao R, Ge J, Yang Y, Li J, Li X, Zheng X, Li Y, Krumholz HM, Jiang L. Comparison of Physician Visual Assessment With Quantitative Coronary Angiography in Assessment of Stenosis Severity in China. JAMA Internal Medicine 2018, 178: 239-247. PMID: 29340571, PMCID: PMC5838612, DOI: 10.1001/jamainternmed.2017.7821.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overChinaCoronary AngiographyCoronary StenosisCoronary VesselsCross-Sectional StudiesFemaleFollow-Up StudiesHumansIncidenceMaleMiddle AgedPercutaneous Coronary InterventionPractice Patterns, Physicians'Predictive Value of TestsProspective StudiesRisk AssessmentSeverity of Illness IndexTime FactorsConceptsPhysician visual assessmentPercutaneous coronary interventionAcute myocardial infarctionQuantitative coronary angiographyStenosis severityCoronary angiographyMean agePCI studiesMean percent diameter stenosisIndependent core laboratoryPercent diameter stenosisCross-sectional studyNon-AMI patientsStandard clinical practiceFractional flow reserveSubset of participantsQCA assessmentCoronary revascularizationMore stenosisCoronary interventionCoronary lesionsChina PatientCoronary angiogramDiameter stenosisMyocardial infarction
2017
Hospital Performance on Percutaneous Coronary Intervention Process and Outcomes Measures
Chui PW, Parzynski CS, Nallamothu BK, Masoudi FA, Krumholz HM, Curtis JP. Hospital Performance on Percutaneous Coronary Intervention Process and Outcomes Measures. Journal Of The American Heart Association 2017, 6: e004276. PMID: 28446493, PMCID: PMC5524055, DOI: 10.1161/jaha.116.004276.Peer-Reviewed Original ResearchMeSH KeywordsCardiac RehabilitationCoronary DiseaseCross-Sectional StudiesHealthcare DisparitiesHumansHydroxymethylglutaryl-CoA Reductase InhibitorsMedicarePatient DischargePatient ReadmissionPercutaneous Coronary InterventionPlatelet Aggregation InhibitorsProcess Assessment, Health CareQuality ImprovementQuality Indicators, Health CareReferral and ConsultationRegistriesRisk FactorsTime FactorsTime-to-TreatmentTreatment OutcomeUnited StatesConceptsProcess measuresReadmission ratesOutcome measuresNational Cardiovascular Data Registry CathPCI RegistryHospital performancePercutaneous coronary interventionSpecific process measuresRisk-standardized mortalityPCI patientsCathPCI RegistryCoronary interventionHospital variationOutcome ratesHospital qualityPhysician ConsortiumMortalitySmall percentageWeak correlationAssociationIntervention processPatients