2022
Patient-Level Analysis of Watchman Left Atrial Appendage Occlusion in Practice Versus Clinical Trials
Friedman DJ, Du C, Wang Y, Agarwal V, Varosy PD, Masoudi FA, Holmes DR, Reddy VY, Price MJ, Curtis JP, Freeman JV. Patient-Level Analysis of Watchman Left Atrial Appendage Occlusion in Practice Versus Clinical Trials. JACC Cardiovascular Interventions 2022, 15: 950-961. PMID: 35512918, PMCID: PMC9370831, DOI: 10.1016/j.jcin.2022.02.029.Peer-Reviewed Original ResearchConceptsRegistry patientsHemorrhagic stroke riskIschemic strokeWarfarin patientsTrial patientsStroke riskLAAO patientsClinical practiceMore pericardial effusionsPeriprocedural ischemic strokePropensity-matched analysisAtrial appendage occlusionCox proportional hazardsPatient-level dataFine-Gray modelMore comorbiditiesPROTECT AFNoncardiovascular deathPericardial effusionHemorrhagic strokeAppendage occlusionDevice implantationTrial criteriaClinical trialsSimilar riskClinical Outcomes at 1 Year Following Transcatheter Left Atrial Appendage Occlusion in the United States
Price MJ, Slotwiner D, Du C, Freeman JV, Turi Z, Rammohan C, Kusumoto FM, Kavinsky C, Akar J, Varosy PD, Koutras C, Curtis JP, Masoudi FA. Clinical Outcomes at 1 Year Following Transcatheter Left Atrial Appendage Occlusion in the United States. JACC Cardiovascular Interventions 2022, 15: 741-750. PMID: 35393108, PMCID: PMC9116488, DOI: 10.1016/j.jcin.2022.02.009.Peer-Reviewed Original ResearchConceptsAtrial appendage occlusionIschemic strokeMajor bleedingClinical outcomesSystemic embolismAppendage occlusionMean HAS-BLED scoreHAS-BLED scoreKey secondary endpointKaplan-Meier methodCumulative event rateRate of mortalityMean CHAPrior strokeRelevant bleedingVASc scoreWATCHMAN procedurePrimary endpointSecondary endpointsThromboembolic eventsIntracranial bleedingBlood transfusionHemoglobin levelsHemorrhagic strokeKaplan-Meier
2019
Comparison of Clinical Trials and Administrative Claims to Identify Stroke Among Patients Undergoing Aortic Valve Replacement
Strom JB, Zhao Y, Faridi KF, Tamez H, Butala NM, Valsdottir LR, Curtis J, Brennan JM, Shen C, Boulware M, Popma JJ, Yeh RW. Comparison of Clinical Trials and Administrative Claims to Identify Stroke Among Patients Undergoing Aortic Valve Replacement. Circulation Cardiovascular Interventions 2019, 12: e008231. PMID: 31694411, PMCID: PMC7212938, DOI: 10.1161/circinterventions.119.008231.Peer-Reviewed Original ResearchMeSH KeywordsAdministrative Claims, HealthcareAgedAged, 80 and overAortic ValveAortic Valve StenosisBrain IschemiaClinical Trials as TopicDatabases, FactualFemaleHeart Valve Prosthesis ImplantationHumansIschemic Attack, TransientMaleMedicareRisk AssessmentRisk FactorsStrokeTime FactorsTranscatheter Aortic Valve ReplacementTreatment OutcomeUnited StatesConceptsNegative predictive valueAortic valve replacementCerebrovascular eventsInternational ClassificationPositive predictive valuePredictive valueValve replacementNinth RevisionClinical trialsTenth RevisionBilling codesKaplan-Meier estimatesMedicare inpatient claimsSURTAVI trialClinical event adjudicationDevastating complicationIschemic strokeNeurological eventsCerebrovascular diseaseBilling claimsInpatient claimsEvent adjudicationAdministrative claimsHigh riskTrial participants
2018
Heart Failure After Ischemic Stroke or Transient Ischemic Attack in Insulin-Resistant Patients Without Diabetes Mellitus Treated With Pioglitazone
Young LH, Viscoli CM, Schwartz GG, Inzucchi SE, Curtis JP, Gorman MJ, Furie KL, Conwit R, Spatz E, Lovejoy A, Abbott JD, Jacoby DL, Kolansky DM, Ling FS, Pfau SE, Kernan WN. Heart Failure After Ischemic Stroke or Transient Ischemic Attack in Insulin-Resistant Patients Without Diabetes Mellitus Treated With Pioglitazone. Circulation 2018, 138: 1210-1220. PMID: 29934374, PMCID: PMC6202153, DOI: 10.1161/circulationaha.118.034763.Peer-Reviewed Original ResearchConceptsRisk of HFTransient ischemic attackEffect of pioglitazoneHF riskHeart failureInsulin-resistant patientsMyocardial infarctionIschemic attackCardiovascular benefitsIschemic strokeDiabetes mellitusInsulin resistanceHigher C-reactive proteinComposite of strokeHF risk scoreHigher HF riskDrug dose reductionHospitalized heart failureIncident myocardial infarctionLower mean doseC-reactive proteinBaseline patient featuresHF hospitalizationCardiovascular eventsPlacebo group
2017
Carotid Endarterectomy and Carotid Artery Stenting in the US Medicare Population, 1999-2014
Lichtman JH, Jones MR, Leifheit EC, Sheffet AJ, Howard G, Lal BK, Howard VJ, Wang Y, Curtis J, Brott TG. Carotid Endarterectomy and Carotid Artery Stenting in the US Medicare Population, 1999-2014. JAMA 2017, 318: 1035-1046. PMID: 28975306, PMCID: PMC5818799, DOI: 10.1001/jama.2017.12882.Peer-Reviewed Original ResearchConceptsVascular risk factorsCarotid endarterectomyCarotid arteryHospital mortalityCause mortalityRevascularization ratesIschemic strokeMyocardial infarctionRisk factorsMedicare beneficiariesSerial cross-sectional analysisUnderwent carotid arteryNumber of patientsUS national trendsService Medicare beneficiariesCross-sectional analysisSymptomatic patientsSymptomatic statusUnique patientsCarotid stenosisEndarterectomyMedicare inpatientMAIN OUTCOMEMedicare feePatientsCardiac Outcomes After Ischemic Stroke or Transient Ischemic Attack
Young LH, Viscoli CM, Curtis JP, Inzucchi SE, Schwartz GG, Lovejoy AM, Furie KL, Gorman MJ, Conwit R, Abbott JD, Jacoby DL, Kolansky DM, Pfau SE, Ling FS, Kernan WN. Cardiac Outcomes After Ischemic Stroke or Transient Ischemic Attack. Circulation 2017, 135: 1882-1893. PMID: 28246237, PMCID: PMC5511545, DOI: 10.1161/circulationaha.116.024863.Peer-Reviewed Original ResearchConceptsAcute coronary syndromeType 1 myocardial infarctionTransient ischemic attackMyocardial infarctionCoronary syndromeInsulin resistanceIschemic attackIschemic strokeDiabetes mellitusSerum troponinAcute coronary syndrome episodeMean age 63 yearsAcute coronary syndrome eventIndependent clinical events committeeType 2 myocardial infarctionIRIS participantsImpact of pioglitazoneRecent cerebrovascular eventsRecent ischemic strokeClinical events committeeAge 63 yearsEffect of pioglitazoneSmall myocardial infarctionCoronary artery diseaseST-segment elevation
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