2014
Exposing Hidden Truncation-Related Errors in Acute Stroke Perfusion Imaging
Copen W, Deipolyi A, Schaefer P, Schwamm L, González R, Wu O. Exposing Hidden Truncation-Related Errors in Acute Stroke Perfusion Imaging. American Journal Of Neuroradiology 2014, 36: 638-645. PMID: 25500309, PMCID: PMC7964314, DOI: 10.3174/ajnr.a4186.Peer-Reviewed Original ResearchConceptsPerfusion scanVolume of lesionsScan durationSymptom onsetAcute infarctsHemodynamic measurementsLesion reversalClinical trialsLesion volumePatient managementPerfusion MRPerfusion imagingInjected contrast agentPerfusion imagesPatient CTLesionsDurationMTTCTLong scan durationScansContrast agentsShort scan durationTmaxPerfusion estimates
2004
Virtual TeleStroke Support for the Emergency Department Evaluation of Acute Stroke
Schwamm L, Rosenthal E, Hirshberg A, Schaefer P, Little E, Kvedar J, Petkovska I, Koroshetz W, Levine S. Virtual TeleStroke Support for the Emergency Department Evaluation of Acute Stroke. Academic Emergency Medicine 2004, 11: 1193-1197. PMID: 15528584, DOI: 10.1197/j.aem.2004.08.014.Peer-Reviewed Original ResearchConceptsTissue plasminogen activatorAcute strokeTelestroke consultationNeedle timeSymptom onsetEmergency departmentHealth Stroke Scale scoreIntravenous tissue plasminogen activatorMean National InstitutesPossible acute strokeEmergency department evaluationStroke Scale scoreAcute ischemic strokeEvaluation of patientsEligible patientsStroke neurologistsIschemic strokeDepartment evaluationNeurologic examinationRandomized trialsStroke expertiseProtocol violationsEmergency physiciansInter-rater reliabilityPatient management