2024
Clinically relevant findings on 24-h head CT after acute stroke therapy: The 24-h CT score.
Zhang B, King A, Voetsch B, Silverman S, Schwamm L, Ji X, Singhal A. Clinically relevant findings on 24-h head CT after acute stroke therapy: The 24-h CT score. International Journal Of Stroke 2024, 17474930241289992. PMID: 39324561, DOI: 10.1177/17474930241289992.Peer-Reviewed Original ResearchCT scoreCT findingsHead CTClinically relevant findingsFollow-up head CTRoutine head computed tomographyHead CT findingsHead computed tomographyConsecutive acute ischemic stroke patientsBlood pressure goalsAcute ischemic stroke patientsLow-risk groupMedium-risk groupAdministration of mannitolHigh-risk groupMultivariate logistic regressionAcute stroke therapyComprehensive stroke centerIschemic stroke patientsBlood glucose levelsCT abnormalitiesAntithrombotic treatmentRelevant findingsHypertonic salineRetrospective study
2021
'Drip-and-ship' intravenous thrombolysis and outcomes for large vessel occlusion thrombectomy candidates in a hub-and-spoke telestroke model
Regenhardt R, Rosenthal J, Awad A, Martinez-Gutierrez J, Nolan N, McIntyre J, Whitney C, Alotaibi N, Dmytriw A, Vranic J, Stapleton C, Patel A, Rost N, Schwamm L, Leslie-Mazwi T. 'Drip-and-ship' intravenous thrombolysis and outcomes for large vessel occlusion thrombectomy candidates in a hub-and-spoke telestroke model. Journal Of NeuroInterventional Surgery 2021, 14: 650-653. PMID: 34326197, PMCID: PMC8799754, DOI: 10.1136/neurintsurg-2021-017819.Peer-Reviewed Original ResearchConceptsEndovascular thrombectomyIntravenous thrombolysisIntracerebral hemorrhageDay mRSEVT candidatesFunctional independenceHealth Stroke Scale scoreEmergent large vessel occlusionRisk of ICHMedian National InstitutesStroke Scale scoreLarge vessel occlusionOutcomes of interestAlteplase useDischarge mRSTelestroke modelThrombectomy candidatesEligible patientsIntravenous alteplaseTICI 2bAdequate reperfusionMedian ageSpoke hospitalsCT scoreVessel occlusion
2017
Immediate Vascular Imaging Needed for Efficient Triage of Patients With Acute Ischemic Stroke Initially Admitted to Nonthrombectomy Centers
Boulouis G, Siddiqui K, Lauer A, Charidimou A, Regenhardt R, Viswanathan A, Leslie-Mazwi T, Rost N, Schwamm L. Immediate Vascular Imaging Needed for Efficient Triage of Patients With Acute Ischemic Stroke Initially Admitted to Nonthrombectomy Centers. Stroke 2017, 48: 2297-2300. PMID: 28687641, DOI: 10.1161/strokeaha.117.017607.Peer-Reviewed Original ResearchConceptsThrombectomy-capable stroke centersEndovascular thrombectomyVascular imagingCurrent guidelinesAlberta Stroke Program Early CT ScoreUnnecessary transfersHealth Stroke ScaleAcute ischemic strokeMain outcome variablesBaseline vascularStroke ScaleIschemic strokeStroke centersCT scoreFutile transfersPatientsEfficient triageHospitalYielded sensitivityOutcome variablesOptimal selection criteriaNational InstituteStrokeImagingOcclusion level
2008
An Acute Ischemic Stroke Classification Instrument That Includes CT or MR Angiography: The Boston Acute Stroke Imaging Scale
Torres-Mozqueda F, He J, Yeh I, Schwamm L, Lev M, Schaefer P, González R. An Acute Ischemic Stroke Classification Instrument That Includes CT or MR Angiography: The Boston Acute Stroke Imaging Scale. American Journal Of Neuroradiology 2008, 29: 1111-1117. PMID: 18467521, PMCID: PMC8118840, DOI: 10.3174/ajnr.a1000.Peer-Reviewed Original ResearchConceptsAlberta Stroke Program Early CT ScoreAcute ischemic strokeMinor stroke groupIschemic strokeMajor strokeMinor strokeStroke groupNoncontrast CTBoston Acute Stroke Imaging ScaleProximal cerebral artery occlusionMR angiographyCerebral artery occlusionLength of hospitalizationClassification instrumentCTA patientsArtery occlusionDischarge dispositionConsecutive patientsParenchymal ischemiaCT scorePatient outcomesStroke survivorsRehabilitation facilityPatientsStroke
2004
ASPECTS on CTA Source Images Versus Unenhanced CT
Coutts S, Lev M, Eliasziw M, Roccatagliata L, Hill M, Schwamm L, Pexman J, Koroshetz W, Hudon M, Buchan A, Gonzalez R, Demchuk A. ASPECTS on CTA Source Images Versus Unenhanced CT. Stroke 2004, 35: 2472-2476. PMID: 15486327, DOI: 10.1161/01.str.0000145330.14928.2a.Peer-Reviewed Original ResearchConceptsAlberta Stroke Program Early CT ScoreCTA-SI Alberta Stroke Program Early CT ScoreCT angiography source imagesBaseline Alberta Stroke Program Early CT ScoreIschemic changesFavorable outcomeNCCT-Alberta Stroke Program Early CT ScoreAcute ischemic strokeFinal infarct sizeFinal infarct volumeFavorable patient outcomesNormal CT scanRate ratioCTA source imagesM2 occlusionsInfarct volumeIschemic strokeProximal occlusionSymptom onsetClinical outcomesMedian timeCT scoreInfarct sizePatient outcomesBaseline NCCT