2024
Uncertainty-aware deep-learning model for prediction of supratentorial hematoma expansion from admission non-contrast head computed tomography scan
Tran A, Zeevi T, Haider S, Abou Karam G, Berson E, Tharmaseelan H, Qureshi A, Sanelli P, Werring D, Malhotra A, Petersen N, de Havenon A, Falcone G, Sheth K, Payabvash S. Uncertainty-aware deep-learning model for prediction of supratentorial hematoma expansion from admission non-contrast head computed tomography scan. Npj Digital Medicine 2024, 7: 26. PMID: 38321131, PMCID: PMC10847454, DOI: 10.1038/s41746-024-01007-w.Peer-Reviewed Original ResearchDeep learning modelsHematoma expansionIntracerebral hemorrhageICH expansionComputed tomographyNon-contrast head CTNon-contrast head computed tomographyHigh risk of HEHead computed tomographyHigh-confidence predictionsRisk of HENon-contrast headReceiver operating characteristic areaModifiable risk factorsMonte Carlo dropoutOperating characteristics areaPotential treatment targetHead CTVisual markersIdentified patientsAutomated deep learning modelDataset of patientsRisk factorsHigh riskPatients
2021
MR Perfusion in the Evaluation of Mechanical Thrombectomy Candidacy
Muddasani V, de Havenon A, McNally JS, Baradaran H, Alexander MD. MR Perfusion in the Evaluation of Mechanical Thrombectomy Candidacy. Topics In Magnetic Resonance Imaging 2021, 30: 197-204. PMID: 34397969, PMCID: PMC8371677, DOI: 10.1097/rmr.0000000000000277.Peer-Reviewed Original ResearchConceptsMagnetic resonance imagingIschemic strokeComputed tomographyMR perfusionCore infarctDiffusion-weighted magnetic resonance imagingPerfusion-diffusion mismatchDegree of ischemiaNoncontrast Computed TomographyImproved imaging techniquesSalvageable brainSuperior diagnostic informationIschemic penumbraSymptom onsetAcute evaluationAppropriate imagingPatient selectionStroke therapyThrombolytic therapyPoor outcomePrognostic valueLeading causeEffective treatmentBetter outcomesEarly identification
2020
Hypoperfusion Distal to Anterior Circulation Intracranial Atherosclerosis is Associated with Recurrent Stroke
de Havenon A, Khatri P, Prabhakaran S, Yeatts S, Peterson C, Sacchetti D, Alexander M, Cutting S, Mac Grory B, Furie K, Liebeskind D, Yaghi S. Hypoperfusion Distal to Anterior Circulation Intracranial Atherosclerosis is Associated with Recurrent Stroke. Journal Of Neuroimaging 2020, 30: 468-470. PMID: 32579278, PMCID: PMC8010594, DOI: 10.1111/jon.12710.Peer-Reviewed Original ResearchConceptsIntracranial atherosclerotic diseaseSymptomatic intracranial atherosclerotic diseaseDistal hypoperfusionRecurrent strokeComputed tomographyRetrospective study of patientsImpaired distal flowIntracranial atherosclerotic disease patientsSymptomatic ischemic strokeStudy of patientsAssociated with recurrent strokeMiddle cerebral arteryAssociated with stroke recurrenceIntracranial carotidSecondary stroke preventionRetrospective studySymptomatic arteryPerfusion statusHazard ratioPrimary outcomeCerebral arteryStroke preventionHypoperfusionPatientsInclusion criteria