2022
Institutional Variation in 30‐Day Complications Following Catheter Ablation of Atrial Fibrillation
Ngo L, Ali A, Ganesan A, Woodman R, Krumholz HM, Adams R, Ranasinghe I. Institutional Variation in 30‐Day Complications Following Catheter Ablation of Atrial Fibrillation. Journal Of The American Heart Association 2022, 11: e022009. PMID: 35156395, PMCID: PMC9245833, DOI: 10.1161/jaha.121.022009.Peer-Reviewed Original ResearchConceptsProcedure-related complicationsComplication rateAF ablationAtrial fibrillationCatheter ablationStroke/transient ischemic attackCare qualityTransient ischemic attackRisk of complicationsIschemic attackHospital stayCohort studyCommon complicationHospital dischargePericardial effusionCardiorespiratory failurePrimary outcomeProcedural characteristicsComplicationsPatientsHospitalStudy periodBackground ComplicationsPotential disparitiesFibrillation
2021
Association of neighbourhood-level poverty with outcomes and clinical care following atrial fibrillation diagnosis in a universal healthcare system
Akioyamen L, Abdel-Qadir H, Pang A, Ha A, Jackevicius C, Alter D, Bhatia R, Dhalla I, Krumholz H, Roifman I, Wijeysundera H, Atzema C, Ko D, Schull M, Lee D, Investigators T. Association of neighbourhood-level poverty with outcomes and clinical care following atrial fibrillation diagnosis in a universal healthcare system. European Heart Journal 2021, 42: ehab724.0447. DOI: 10.1093/eurheartj/ehab724.0447.Peer-Reviewed Original ResearchAF diagnosisAtrial fibrillation diagnosisUniversal healthcare systemCardiology visitsIschemic strokeDeprivation quintileMedication coverageVascular diseaseCause-specific hazard regression modelStroke/transient ischemic attackPopulation-based cohort studyNeighborhood-level povertyAnti-arrhythmic medicationsHighest deprivation quintileRhythm control interventionsWorse baseline healthHeart failure hospitalizationTransient ischemic attackUniversal healthcareHazards regression modelsHealthcare systemProcess of careCommunity-dwelling adultsEquitable health careLong-term care
2018
Clinical 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
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