2021
Access to Mechanical Thrombectomy for Ischemic Stroke in the United States
Kamel H, Parikh N, Chatterjee A, Kim L, Saver J, Schwamm L, Zachrison K, Nogueira R, Adeoye O, Díaz I, Ryan A, Pandya A, Navi B. Access to Mechanical Thrombectomy for Ischemic Stroke in the United States. Stroke 2021, 52: 2554-2561. PMID: 33980045, PMCID: PMC8316281, DOI: 10.1161/strokeaha.120.033485.Peer-Reviewed Original ResearchConceptsIschemic strokeMechanical thrombectomyUnadjusted logistic regression modelsNonfederal emergency departmentsAcute ischemic strokeLarge cerebral vesselsAcute care hospitalsMultiple sensitivity analysesLogistic regression modelsStandard descriptive statisticsIntravenous thrombolysisStroke severityUrban patientsCare hospitalSuch patientsInterhospital transferRural patientsStroke careEmergency departmentPopulation-wide dataCerebral vesselsThrombectomyCalendar year 2016PatientsPrimary analysis
2015
Quality of Care and Ischemic Stroke Risk After Hospitalization for Transient Ischemic Attack
O'Brien E, Zhao X, Fonarow G, Schulte P, Dai D, Smith E, Schwamm L, Bhatt D, Xian Y, Saver J, Reeves M, Peterson E, Hernandez A. Quality of Care and Ischemic Stroke Risk After Hospitalization for Transient Ischemic Attack. Circulation Cardiovascular Quality And Outcomes 2015, 8: s117-s124. PMID: 26515199, DOI: 10.1161/circoutcomes.115.002048.Peer-Reviewed Original ResearchConceptsTransient ischemic attackDefect-free careIschemic strokeIschemic stroke riskQuality of careIschemic attackStroke riskCare measuresRisk scoreOverall hospital admission rateRisk score quintilesYear post dischargeLow-risk patientsHospital admission ratesIschemic stroke admissionsPrevious myocardial infarctionAbsence of strokeMedicare inpatient claimsCox proportional hazardsModerate discriminative performanceTIA patientsCause mortalityCessation counselingStroke admissionsBaseline demographics
2012
Comparison of 30-Day Mortality Models for Profiling Hospital Performance in Acute Ischemic Stroke With vs Without Adjustment for Stroke Severity
Fonarow G, Pan W, Saver J, Smith E, Reeves M, Broderick J, Kleindorfer D, Sacco R, Olson D, Hernandez A, Peterson E, Schwamm L. Comparison of 30-Day Mortality Models for Profiling Hospital Performance in Acute Ischemic Stroke With vs Without Adjustment for Stroke Severity. JAMA 2012, 308: 257-264. PMID: 22797643, DOI: 10.1001/jama.2012.7870.Peer-Reviewed Original ResearchConceptsAcute ischemic strokeNIHSS scoreInitial stroke severityIschemic strokeStroke severityMedicare beneficiariesClaims-based risk modelsHospital mortality modelMean NIHSS scoreRisk-standardized outcomesHealth Stroke ScaleNet reclassification improvementDiscrimination improvement indexService Medicare beneficiariesHospital mortality risk modelMortality risk modelProfiling Hospital PerformanceGuidelines-StrokeIndex hospitalizationStroke ScaleReclassification improvementRisk modelModel discriminationPotential eligibilityStudy population