2018
Implementation of a Rapid, Protocol-based TIA Management Pathway
Jarhult S, Howell M, Barnaure-Nachbar I, Chang Y, White B, Amatangelo M, Brown D, Singhal A, Schwamm L, Silverman S, Goldstein J. Implementation of a Rapid, Protocol-based TIA Management Pathway. Western Journal Of Emergency Medicine 2018, 19: 216-223. PMID: 29560046, PMCID: PMC5851491, DOI: 10.5811/westjem.2017.9.35341.Peer-Reviewed Original ResearchConceptsTransient ischemic attackTotal hospital LOSHospital LOSEmergency departmentED LOSFinal diagnosisRecurrent transient ischemic attacksTertiary care academic centerED observation unitIntermediate-risk patientsHigh-risk patientsProportion of patientsMedian ED LOSInpatient admission ratesNeck CT angiographyBrain magnetic resonanceNeck MR angiographyStandardized clinical protocolUse of neuroimagingIschemic attackCohort studyTIA symptomsConsecutive patientsED lengthSix-month periodValidating the TeleStroke Mimic Score
Ali S, Hubert G, Switzer J, Majersik J, Backhaus R, Shepard L, Vedala K, Schwamm L. Validating the TeleStroke Mimic Score. Stroke 2018, 49: 688-692. PMID: 29374105, PMCID: PMC5829006, DOI: 10.1161/strokeaha.117.018758.Peer-Reviewed Original ResearchConceptsStroke mimicsIschemic cerebrovascular diseaseTelestroke networkTelestroke consultationCerebrovascular diseaseReceiver-operating characteristic curve analysisAcute stroke evaluationExternal validation cohortRisk prediction scoreStroke care networksCharacteristic curve analysisStroke evaluationValidation cohortClinical differencesOriginal cohortFinal diagnosisTelestroke consultsScore's abilityGeorgia Regents UniversityDiverse cohortCare networkCurve analysisCohortConfidence intervalsPrediction score
1999
Normal diffusion-weighted MRI during stroke-like deficits
Ay H, Buonanno F, Rordorf G, Schaefer P, Schwamm L, Wu O, Gonzalez R, Yamada K, Sorensen G, Koroshetz W. Normal diffusion-weighted MRI during stroke-like deficits. Neurology 1999, 52: 1784-1792. PMID: 10371524, DOI: 10.1212/wnl.52.9.1784.Peer-Reviewed Original ResearchConceptsDiffusion-weighted MRICerebral ischemic eventsDWI abnormalitiesStroke mimicsIschemic eventsAcute ischemic strokeIschemic brain injuryTransient global amnesiaIschemic causePathophysiologic diagnosisLacunar syndromeNonischemic causesIschemic strokeLacunar infarctionNeurologic deficitsBrain ischemiaConsecutive patientsSuch patientsRadiologic dataFinal diagnosisBrain injuryCortical syndromesFunctional disordersEarly diagnosisGlobal amnesiaDiffusion-weighted MR Imaging: Diagnostic Accuracy in Patients Imaged within 6 Hours of Stroke Symptom Onset
González R, Schaefer P, Buonanno F, Schwamm L, Budzik R, Rordorf G, Wang B, Sorensen A, Koroshetz W. Diffusion-weighted MR Imaging: Diagnostic Accuracy in Patients Imaged within 6 Hours of Stroke Symptom Onset. Radiology 1999, 210: 155-62. PMID: 9885601, DOI: 10.1148/radiology.210.1.r99ja02155.Peer-Reviewed Original ResearchConceptsFinal clinical diagnosisDiffusion-weighted imagesDiffusion-weighted MR imagingDiffusion-weighted imagingConventional MR imagingMR imagingSymptom onsetBlinded reviewClinical diagnosisDiagnostic accuracyStroke symptom onsetDiffusion-weighted magnetic resonance imagingMagnetic resonance imagingT2-weighted MR imagingAcute strokeStroke symptomsFinal diagnosisTomographic scanStrokelike symptomsPatientsPatient recordsResonance imagingStrokeDiagnosisCT