2023
Variation in hospital use of cardiac resynchronization therapy-defibrillator among eligible patients and association with clinical outcomes
Chui P, Lan Z, Freeman J, Enriquez A, Khera R, Akar J, Masoudi F, Ong E, Curtis J. Variation in hospital use of cardiac resynchronization therapy-defibrillator among eligible patients and association with clinical outcomes. Heart Rhythm 2023, 20: 1000-1008. PMID: 36963741, DOI: 10.1016/j.hrthm.2023.03.022.Peer-Reviewed Original ResearchConceptsEligible patientsICD RegistryCardiac resynchronizationNational Cardiovascular Data Registry ICD RegistryCRT-D implantationCRT-D useHospital-level outcomesStrong guideline recommendationsHospital-level variationPatient-level outcomesIntraclass correlation coefficientQuality improvement effortsHospital mortalityGuideline indicationsReadmission ratesSelect patientsClinical outcomesGuideline recommendationsHospital variationHospital ratesUse of CRTHospital levelHospital usePatientsCase mix
2020
Revascularization Practices and Outcomes in Patients With Multivessel Coronary Artery Disease Who Presented With Acute Myocardial Infarction and Cardiogenic Shock in the US, 2009-2018
Khera R, Secemsky EA, Wang Y, Desai NR, Krumholz HM, Maddox TM, Shunk KA, Virani SS, Bhatt DL, Curtis J, Yeh RW. Revascularization Practices and Outcomes in Patients With Multivessel Coronary Artery Disease Who Presented With Acute Myocardial Infarction and Cardiogenic Shock in the US, 2009-2018. JAMA Internal Medicine 2020, 180: 1317-1327. PMID: 32833024, PMCID: PMC9377424, DOI: 10.1001/jamainternmed.2020.3276.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedCohort StudiesCoronary VesselsFemaleFollow-Up StudiesHospital MortalityHumansMaleMiddle AgedMyocardial InfarctionPatient DischargePercutaneous Coronary InterventionRisk AssessmentRisk FactorsShock, CardiogenicST Elevation Myocardial InfarctionTime FactorsTreatment OutcomeUnited StatesConceptsST-segment elevation myocardial infarctionMultivessel percutaneous coronary interventionMultivessel coronary artery diseasePercutaneous coronary interventionAcute myocardial infarctionCoronary artery diseaseCulprit vessel percutaneous coronary interventionCardiogenic shockHospital mortalityArtery diseaseMyocardial infarctionCohort studyPrimary outcomeHospital variationPCI strategyMedicare beneficiariesUnderwent multivessel PCISignificant hospital variationElevation myocardial infarctionSubset of patientsHigh-risk populationRecent evidenceHospital complicationsPCI useRevascularization practice
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
2015
Readmissions After Carotid Artery Revascularization in the Medicare Population
Al-Damluji MS, Dharmarajan K, Zhang W, Geary LL, Stilp E, Dardik A, Mena-Hurtado C, Curtis JP. Readmissions After Carotid Artery Revascularization in the Medicare Population. Journal Of The American College Of Cardiology 2015, 65: 1398-1408. PMID: 25857904, PMCID: PMC4403264, DOI: 10.1016/j.jacc.2015.01.048.Peer-Reviewed Original ResearchConceptsRisk-standardized readmission ratesCarotid artery stentingHospital risk-standardized readmission ratesCarotid revascularizationCarotid endarterectomyReadmission ratesHospital variationReadmission riskService administrative claims dataKaplan-Meier survival curvesLogistic regressionCarotid artery revascularizationPrior clinical researchAcute care hospitalizationDays of dischargeHospital-level variationSevere carotid stenosisCause hospital readmissionAdministrative claims dataMixed-effects logistic regressionChoice of procedureArtery revascularizationIschemic strokeArtery stentingHospital readmission
2013
Prevalence, Correlates, and Temporal Trends in Antiarrhythmic Drug Use at Discharge After Implantable Cardioverter Defibrillator Placement (from the National Cardiovascular Data Registry [NCDR])
Dev S, Peterson PN, Wang Y, Curtis JP, Varosy PD, Masoudi FA. Prevalence, Correlates, and Temporal Trends in Antiarrhythmic Drug Use at Discharge After Implantable Cardioverter Defibrillator Placement (from the National Cardiovascular Data Registry [NCDR]). The American Journal Of Cardiology 2013, 113: 314-320. PMID: 24216126, DOI: 10.1016/j.amjcard.2013.09.023.Peer-Reviewed Original ResearchConceptsImplantable cardioverter defibrillatorAntiarrhythmic drug useAntiarrhythmic drugsMedian odds ratioHospital dischargeOdds ratioSecondary prevention implantable cardioverter defibrillatorDrug useClass III antiarrhythmic drugsImplantable cardioverter-defibrillator placementMultivariate logistic regression modelHospital-level variationClass III agentsLocal treatment patternsLogistic regression modelsFacility-level variablesAntiarrhythmic useICD implantationICD recipientsICD RegistryHospital variationICD placementTreatment patternsDevice shocksAntiarrhythmic agents
2011
Use and Effectiveness of Intra-Aortic Balloon Pumps Among Patients Undergoing High Risk Percutaneous Coronary Intervention
Curtis JP, Rathore SS, Wang Y, Chen J, Nallamothu BK, Krumholz HM. Use and Effectiveness of Intra-Aortic Balloon Pumps Among Patients Undergoing High Risk Percutaneous Coronary Intervention. Circulation Cardiovascular Quality And Outcomes 2011, 5: 21-30. PMID: 22147887, PMCID: PMC3801197, DOI: 10.1161/circoutcomes.110.960385.Peer-Reviewed Original ResearchConceptsHigh-risk percutaneous coronary interventionIntra-aortic balloon pumpPercutaneous coronary interventionHospital quartilesHospital mortalityIABP useCoronary interventionBalloon pumpHospital characteristicsST-segment elevation myocardial infarctionDepressed left ventricular functionHigh-risk PCI patientsSegment elevation myocardial infarctionElevation myocardial infarctionLeft ventricular functionHierarchical logistic regression modelsLogistic regression modelsIABP usageCardiogenic shockPCI patientsCathPCI RegistryHemodynamic supportVentricular functionHospital variationMultivariable analysis
2009
Recent National Trends in Readmission Rates After Heart Failure Hospitalization
Ross JS, Chen J, Lin Z, Bueno H, Curtis JP, Keenan PS, Normand SL, Schreiner G, Spertus JA, Vidán MT, Wang Y, Wang Y, Krumholz HM. Recent National Trends in Readmission Rates After Heart Failure Hospitalization. Circulation Heart Failure 2009, 3: 97-103. PMID: 19903931, PMCID: PMC2830811, DOI: 10.1161/circheartfailure.109.885210.Peer-Reviewed Original ResearchConceptsCause readmission rateReadmission ratesHeart failureRecent national trendsHospital variationService beneficiariesAcute-care nonfederal hospitalsUS acute care hospitalsHeart failure hospitalizationHospital readmission ratesAcute care hospitalsNational trendsNational Quality ForumMedicare administrative dataDistinct hospitalizationsFailure hospitalizationMultiple comorbiditiesCare hospitalNonfederal hospitalsMedicare beneficiariesHospitalizationHospitalQuality ForumStudy periodAdministrative dataReduction in Acute Myocardial Infarction Mortality in the United States: Risk-Standardized Mortality Rates From 1995-2006
Krumholz HM, Wang Y, Chen J, Drye EE, Spertus JA, Ross JS, Curtis JP, Nallamothu BK, Lichtman JH, Havranek EP, Masoudi FA, Radford MJ, Han LF, Rapp MT, Straube BM, Normand SL. Reduction in Acute Myocardial Infarction Mortality in the United States: Risk-Standardized Mortality Rates From 1995-2006. JAMA 2009, 302: 767-773. PMID: 19690309, PMCID: PMC3349070, DOI: 10.1001/jama.2009.1178.Peer-Reviewed Original ResearchConceptsRisk-standardized mortality ratesAcute myocardial infarctionShort-term mortality rateMortality rateHospital variationNonfederal acute care hospitalsAcute myocardial infarction mortalityHospital mortality rateDay of admissionRisk standardized mortality ratesAcute care hospitalsMyocardial infarction mortalityHealth care professionalsIndex hospitalizationCare hospitalMyocardial infarctionNational averagePatient levelMedicare patientsObservational studyMedical adviceHospital varianceMAIN OUTCOMECare professionalsPatients