2024
Diffusion‐Weighted Imaging Fluid‐Attenuated Inversion Recovery Mismatch on Portable, Low‐Field Magnetic Resonance Imaging Among Acute Stroke Patients
Sorby‐Adams A, Guo J, de Havenon A, Payabvash S, Sze G, Pinter N, Jaikumar V, Siddiqui A, Baldassano S, Garcia‐Guarniz A, Zabinska J, Lalwani D, Peasley E, Goldstein J, Nelson O, Schaefer P, Wira C, Pitts J, Lee V, Muir K, Nimjee S, Kirsch J, Iglesias J, Rosen M, Sheth K, Kimberly W. Diffusion‐Weighted Imaging Fluid‐Attenuated Inversion Recovery Mismatch on Portable, Low‐Field Magnetic Resonance Imaging Among Acute Stroke Patients. Annals Of Neurology 2024, 96: 321-331. PMID: 38738750, PMCID: PMC11293843, DOI: 10.1002/ana.26954.Peer-Reviewed Original ResearchStroke patientsAcute ischemic strokeCut-pointsIschemic strokeStroke patients <Diagnosis of acute ischemic strokeSignal intensity ratioFluid-attenuated inversion recoveryAcute stroke patientsOptimal cut-pointMagnetic resonance imagingDiffusion-weighted imagingDWI-FLAIR mismatchStroke onsetTrained assessorsNational InstituteStrokeThrombolytic interventionNegative predictive valueFLAIR hyperintensitiesPatientsInterobserver agreementHyperacute strokeDiffusion-weightedPredictive value
2023
Trends in Use of Intravenous Thrombolysis and Endovascular Thrombectomy in Patients With Acute Stroke With Large Vessel Occlusion 2016 to 2020 and Impact of COVID‐19 Pandemic
Khunte M, Chen H, Khunte A, Payabvash S, Gandhi D, Malhotra A. Trends in Use of Intravenous Thrombolysis and Endovascular Thrombectomy in Patients With Acute Stroke With Large Vessel Occlusion 2016 to 2020 and Impact of COVID‐19 Pandemic. Journal Of The American Heart Association 2023, 12: e029579. PMID: 37889182, PMCID: PMC10727381, DOI: 10.1161/jaha.122.029579.Peer-Reviewed Original Research
2021
Imaging of Spontaneous Intracerebral Hemorrhage
Jain A, Malhotra A, Payabvash S. Imaging of Spontaneous Intracerebral Hemorrhage. Neuroimaging Clinics Of North America 2021, 31: 193-203. PMID: 33902874, PMCID: PMC8820948, DOI: 10.1016/j.nic.2021.02.003.Peer-Reviewed Original ResearchConceptsIntracerebral hemorrhageSpontaneous intracerebral hemorrhageStroke incidenceLatest evidence-based guidelinesNontraumatic spontaneous intracerebral hemorrhageHemorrhagic stroke incidenceOverall stroke incidenceIdentification of patientsEvidence-based guidelinesClinical outcome predictionMorbidity rateHematoma expansionTreatment strategiesFirst monthOutcome predictionHemorrhageMortalityIncidenceFirst yearPatientsStrokeNeuroimagingMonths
2020
Outcomes after Thrombectomy for Minor Stroke: A Meta-Analysis
Wu X, Khunte M, Payabvash S, Zhu C, Brackett A, Matouk CC, Gandhi D, Sanelli P, Malhotra A. Outcomes after Thrombectomy for Minor Stroke: A Meta-Analysis. World Neurosurgery 2020, 149: e1140-e1154. PMID: 33359881, DOI: 10.1016/j.wneu.2020.12.047.Peer-Reviewed Original ResearchConceptsSymptomatic intracranial hemorrhageBest medical managementMedical managementMechanical thrombectomyExcellent outcomesBetter outcomesImmediate thrombectomyMinor strokeIncidence of sICHLarge vessel occlusionSignificant selection biasStroke symptomatologyIntravenous thrombolysisBaseline characteristicsPooled proportionIntracranial hemorrhageOdds ratioThrombectomyMT outcomesMeta-AnalysisPatientsMortalityOutcomesStrokeSelection biasCost-effectiveness of endovascular thrombectomy in patients with acute stroke and M2 occlusion
Khunte M, Wu X, Payabvash S, Zhu C, Matouk C, Schindler J, Sanelli P, Gandhi D, Malhotra A. Cost-effectiveness of endovascular thrombectomy in patients with acute stroke and M2 occlusion. Journal Of NeuroInterventional Surgery 2020, 13: 784-789. PMID: 33077578, DOI: 10.1136/neurintsurg-2020-016765.Peer-Reviewed Original ResearchConceptsEndovascular thrombectomyMedical managementProbabilistic sensitivity analysesM2 occlusionsAcute strokeBranch occlusionEVT-treated patientsAcute ischemic strokeQuality-adjusted life yearsLifetime quality-adjusted life yearsDecision analytic modelDecision analytic studyIschemic strokeReperfusion techniquesLifetime horizonBetter outcomesPatientsLife yearsAge groupsPerfect healthSocietal perspectiveCost-effective strategyStrokeHealth benefitsOcclusion
2016
Prominent cortical and medullary veins on susceptibility-weighted images of acute ischaemic stroke
Payabvash S, Benson JC, Taleb S, Rykken JB, Hoffman B, Oswood MC, McKinney AM. Prominent cortical and medullary veins on susceptibility-weighted images of acute ischaemic stroke. British Journal Of Radiology 2016, 89: 20160714. PMID: 27805839, PMCID: PMC5604931, DOI: 10.1259/bjr.20160714.Peer-Reviewed Original ResearchConceptsAcute ischemic strokeLarger infarct volumesMedullary veinsIschemic strokeInfarct volumeArterial occlusionSusceptibility-weighted imagesConsecutive patientsClinical outcomesCortical veinsProminent cortical veinsPosterior circulation territoryPoor clinical outcomeSeverity of symptomsFair interobserver agreementSWI seriesAcute strokeSymptom onsetIndependent predictorsClinical variablesSWI scansPatientsStrokeImaging implicationsProminent veins
2013
Screening and detection of blunt vertebral artery injury in patients with upper cervical fractures: The role of cervical CT and CT angiography
Payabvash S, McKinney AM, McKinney ZJ, Palmer CS, Truwit CL. Screening and detection of blunt vertebral artery injury in patients with upper cervical fractures: The role of cervical CT and CT angiography. European Journal Of Radiology 2013, 83: 571-577. PMID: 24355656, DOI: 10.1016/j.ejrad.2013.11.020.Peer-Reviewed Original ResearchConceptsBlunt vertebral artery injuryVertebral artery injuryUpper cervical fracturesCervical fracturesSymptomatic strokeArtery injuryTrauma patientsBlunt trauma patientsPosterior circulation strokeScreening criteriaStrong interobserver agreementCervical CTCervical CTAUnderwent CTAClinical recordsNegative CTATransverse foramenCT angiographyCTA studiesClinical utilityPatientsInterobserver agreementC3-C7StrokeNECT
2011
Admission CT Perfusion Is an Independent Predictor of Hemorrhagic Transformation in Acute Stroke with Similar Accuracy to DWI
Souza LC, Payabvash S, Wang Y, Kamalian S, Schaefer P, Gonzalez RG, Furie KL, Lev MH. Admission CT Perfusion Is an Independent Predictor of Hemorrhagic Transformation in Acute Stroke with Similar Accuracy to DWI. Cerebrovascular Diseases 2011, 33: 8-15. PMID: 22143195, PMCID: PMC3250646, DOI: 10.1159/000331914.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAged, 80 and overBostonCerebrovascular CirculationChi-Square DistributionDiffusion Magnetic Resonance ImagingFemaleHumansIntracranial HemorrhagesLogistic ModelsMaleMiddle AgedMultivariate AnalysisPatient AdmissionPerfusion ImagingPredictive Value of TestsPrognosisRetrospective StudiesRisk AssessmentRisk FactorsROC CurveStrokeTomography, X-Ray ComputedConceptsRelative mean transit timeAdmission CT perfusionDiffusion-weighted imagingPredictors of HTRelative cerebral blood flowHemorrhagic transformationCT perfusionAcute strokeIndependent predictorsTissue volumeAdmission diffusion-weighted imagingConsecutive stroke patientsOnly independent predictorCerebral blood flowIschemic hemisphereMechanical thrombectomyStroke patientsInfarct coreMean transit timeBlood flowTest characteristicsCurve analysisDWI scansLesionsStroke