2023
Insurance-Based Disparities in Stroke Center Access in California: A Network Science Approach
Zachrison K, Hsia R, Schwamm L, Yan Z, Samuels-Kalow M, Reeves M, Camargo C, Onnela J. Insurance-Based Disparities in Stroke Center Access in California: A Network Science Approach. Circulation Cardiovascular Quality And Outcomes 2023, 16: e009868. PMID: 37746725, PMCID: PMC10592016, DOI: 10.1161/circoutcomes.122.009868.Peer-Reviewed Original ResearchConceptsInsurance-based disparitiesStroke centersEmergency departmentHospital clustersInitial emergency departmentIschemic stroke admissionsHospital emergency departmentClusters of hospitalsLogistic regression modelsStroke admissionsUninsured patientsPatient insuranceLower oddsPatientsLess strokeCenter accessOddsCenter transferHospitalLikelihood of transferInsurance groupsRegression modelsLower proportionDepartmentAssociation
2021
Reperfusion Treatment and Stroke Outcomes in Hospitals With Telestroke Capacity
Wilcock A, Schwamm L, Zubizarreta J, Zachrison K, Uscher-Pines L, Richard J, Mehrotra A. Reperfusion Treatment and Stroke Outcomes in Hospitals With Telestroke Capacity. JAMA Neurology 2021, 78: 527-535. PMID: 33646272, PMCID: PMC7922240, DOI: 10.1001/jamaneurol.2021.0023.Peer-Reviewed Original ResearchConceptsAcute ischemic strokeReperfusion treatmentIschemic strokeShort-term acute carePatients 85 yearsLow-volume hospitalsYear of admissionHospital emergency departmentTraditional Medicare beneficiariesClinical characteristicsCritical access hospitalsStroke outcomeAcute careControl hospitalsEmergency departmentMean ageFunctional statusPrimary diagnosisStroke expertiseHospital characteristicsMAIN OUTCOMEMedicare beneficiariesPatientsHospitalCare patterns
2010
The “Golden Hour” and Acute Brain Ischemia
Saver J, Smith E, Fonarow G, Reeves M, Zhao X, Olson D, Schwamm L. The “Golden Hour” and Acute Brain Ischemia. Stroke 2010, 41: 1431-1439. PMID: 20522809, PMCID: PMC2909671, DOI: 10.1161/strokeaha.110.583815.Peer-Reviewed Original ResearchConceptsIschemic stroke patientsHospital emergency departmentIntravenous thrombolytic therapyAcute brain ischemiaNeedle timeThrombolytic therapyStroke patientsEmergency departmentGolden hourBrain ischemiaGreater stroke severityGuidelines-Stroke databaseQuarter of patientsHours of onsetHours patientsStroke severityDoor timeEarly presentationPatientsWell timeStudy periodTherapyIschemiaOnset timeMinutes