2019
Poor Outcomes Related to Anterior Extension of Large Hemispheric Infarction: Topographic Analysis of GAMES-RP Trial MRI Scans
Payabvash S, Falcone GJ, Sze GK, Jain A, Beslow LA, Petersen NH, Sheth KN, Kimberly WT. Poor Outcomes Related to Anterior Extension of Large Hemispheric Infarction: Topographic Analysis of GAMES-RP Trial MRI Scans. Journal Of Stroke And Cerebrovascular Diseases 2019, 29: 104488. PMID: 31787498, PMCID: PMC8820410, DOI: 10.1016/j.jstrokecerebrovasdis.2019.104488.Peer-Reviewed Original ResearchMeSH KeywordsAdministration, IntravenousAgedAnterior Cerebral ArteryCerebrovascular CirculationCerebrumClinical Trials as TopicClinical Trials, Phase II as TopicDiffusion Magnetic Resonance ImagingDisability EvaluationExtremitiesFemaleGlyburideHumansHypoglycemic AgentsInfarction, Anterior Cerebral ArteryInfarction, Middle Cerebral ArteryMaleMiddle AgedMiddle Cerebral ArteryPatient AdmissionPredictive Value of TestsRecovery of FunctionRisk FactorsTime FactorsTreatment OutcomeUnited StatesConceptsLarge hemispheric infarctionInfarct volumeIndependent predictorsInfarct lesionsHemispheric infarctionHealth Stroke Scale total scorePost-stroke day 3Anterior cerebral artery territoryTotal scoreLeft MCA infarctLeg motor functionNIHSS total scoreHours of onsetOnly independent predictorPoor functional outcomeBorder zoneScale total scoreAnterior extensionMultivariate regression analysisVoxel-wise analysisLHI patientsAdmission NIHSSArtery territoryGlibenclamide treatmentMCA infarct
2017
Cerebral regions preserved by successful endovascular recanalization of acute M1 segment occlusions: a voxel based analysis
Payabvash S, Taleb S, Qureshi AI. Cerebral regions preserved by successful endovascular recanalization of acute M1 segment occlusions: a voxel based analysis. British Journal Of Radiology 2017, 90: 20160869. PMID: 28165757, PMCID: PMC5605076, DOI: 10.1259/bjr.20160869.Peer-Reviewed Original ResearchConceptsM1 segment occlusionDisability/deathSuccessful endovascular recanalizationVoxel-based analysisFinal infarct volumeSuccessful recanalizationSegment occlusionInfarct volumeFavorable outcomePrecentral gyrusCerebral regionsEndovascular recanalizationEndovascular treatmentInsular ribbonSmaller final infarct volumesDays post-symptom onsetMiddle cerebral artery M1 segmentModified Rankin Scale scoreCerebral Infarction scoreTimely reperfusion treatmentEarly clinical outcomesHigh ratePost-symptom onsetSmaller infarct volumesRankin Scale score
2015
Middle Cerebral Artery Residual Contrast Stagnation on Noncontrast CT Scan Following Endovascular Treatment in Acute Ischemic Stroke Patients
Payabvash S, Qureshi MH, Taleb S, Pawar S, Qureshi AI. Middle Cerebral Artery Residual Contrast Stagnation on Noncontrast CT Scan Following Endovascular Treatment in Acute Ischemic Stroke Patients. Journal Of Neuroimaging 2015, 25: 946-951. PMID: 25684437, DOI: 10.1111/jon.12211.Peer-Reviewed Original ResearchConceptsAcute ischemic stroke patientsMCA M1 occlusionIschemic stroke patientsIntraparenchymal hemorrhageEndovascular treatmentContrast stagnationCT scanPostprocedural CT scanNoncontrast CT scanStroke patientsM1 occlusionContralateral arteryHounsfield unitsAverage HU valueM1 segmentRelative riskNoncontrast CTPatientsScansArteryTreatmentAttenuation differenceHU valuesOcclusionRiskComparison of CT perfusion summary maps to early diffusion-weighted images in suspected acute middle cerebral artery stroke
Benson J, Payabvash S, Salazar P, Jagadeesan B, Palmer CS, Truwit CL, McKinney AM. Comparison of CT perfusion summary maps to early diffusion-weighted images in suspected acute middle cerebral artery stroke. European Journal Of Radiology 2015, 84: 682-689. PMID: 25623829, DOI: 10.1016/j.ejrad.2014.12.026.Peer-Reviewed Original ResearchConceptsAlberta Stroke Program Early CT ScoreASPECTS scoreAcute middle cerebral artery strokeMiddle cerebral artery strokeAge-matched patientsDWI infarct volumeDiffusion-weighted imagingInfarct volumePositive patientsSymptom onsetArtery strokeCT scoreDiffusion-weighted imagesInfarct coreCTP examinationDWI volumePatientsDWIInfarctsScores
2013
Admission Insular Infarction >25% Is the Strongest Predictor of Large Mismatch Loss in Proximal Middle Cerebral Artery Stroke
Kamalian S, Kemmling A, Borgie RC, Morais LT, Payabvash S, Franceschi AM, Kamalian S, Yoo AJ, Furie KL, Lev MH. Admission Insular Infarction >25% Is the Strongest Predictor of Large Mismatch Loss in Proximal Middle Cerebral Artery Stroke. Stroke 2013, 44: 3084-3089. PMID: 23988643, PMCID: PMC3894265, DOI: 10.1161/strokeaha.113.002260.Peer-Reviewed Original ResearchConceptsInfarct volumeInsular infarctionHealth Stroke Scale scoreMiddle cerebral artery infarctConsecutive acute stroke patientsMiddle cerebral artery strokeProximal middle cerebral arteryRapid reperfusion therapyTreatment-eligible patientsAcute stroke patientsStroke Scale scoreFinal infarct volumeMiddle cerebral arteryStrongest predictorCharacteristic curve areaExcellent interobserver agreementDiffusion-weighted imaging imagesBinary logistic regressionArtery infarctInfarct progressionOcclusive strokePenumbral tissueReperfusion therapyCollateral scoreIndependent predictors