2009
Cerebral Ischemic Events Associated With ‘Bubble Study’ for Identification of Right to Left Shunts
Romero J, Frey J, Schwamm L, Demaerschalk B, Chaliki H, Parikh G, Burke R, Babikian V. Cerebral Ischemic Events Associated With ‘Bubble Study’ for Identification of Right to Left Shunts. Stroke 2009, 40: 2343-2348. PMID: 19498192, DOI: 10.1161/strokeaha.109.549683.Peer-Reviewed Original ResearchConceptsCerebral ischemic eventsIschemic eventsPatent foramenBubble studyIschemic strokePulmonary shuntEarly brain MRIIschemic Cerebrovascular ComplicationsCryptogenic ischemic strokeTransient ischemic attackEvaluation of patientsPulmonary arteriovenous malformationsDegree of disabilitySaline intravenous injectionCerebrovascular complicationsIschemic attackInfarct volumeIschemic complicationsRare complicationAcute infarctionClinical featuresTransient symptomsTrue incidenceReporting of drugDevice complications
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
2001
Diagnostic Value of Apparent Diffusion Coefficient Hyperintensity in Selected Patients With Acute Neurologic Deficits
Schaefer P, Gonzalez R, Hunter G, Wang B, Koroshetz W, Schwamm L. Diagnostic Value of Apparent Diffusion Coefficient Hyperintensity in Selected Patients With Acute Neurologic Deficits. Journal Of Neuroimaging 2001, 11: 369-380. PMID: 11677876, DOI: 10.1111/j.1552-6569.2001.tb00065.x.Peer-Reviewed Original ResearchConceptsAcute neurologic deficitsMagnetic resonance imagingDiffusion-weighted imagingNeurologic deficitsMRI abnormalitiesClinical syndromeMRI T2 hyperintensityVenous sinus thrombosisIschemic brain injuryEvaluation of patientsSubset of patientsConventional magnetic resonance imagingApparent diffusion coefficient (ADC) mapsDiffusion coefficient mapsHIV encephalopathyHypertensive encephalopathyNonischemic etiologyPosterior leukoencephalopathySinus thrombosisCarotid endarterectomyT2 hyperintensityNeurologic conditionsVasogenic edemaBrain injuryDiffusion magnetic resonance imaging
1999
Role for Telemedicine in Acute Stroke
Shafqat S, Kvedar J, Guanci M, Chang Y, Schwamm L. Role for Telemedicine in Acute Stroke. Stroke 1999, 30: 2141-2145. PMID: 10512919, DOI: 10.1161/01.str.30.10.2141.Peer-Reviewed Original ResearchConceptsNIH Stroke ScaleNIHSS scoreStroke neurologistsStroke ScaleAcute strokePatient's bedsideAcute stroke assessmentTotal NIHSS scoreAcute stroke treatmentEvaluation of patientsReliable clinical instrumentIschemic strokeStroke treatmentClinical outcomesStroke specialistsStroke expertiseBedside examinationStroke assessmentBedside assessmentKappa coefficientTelemedicine linkPatientsBedsideClinical instrumentsStroke