2024
Automated detection of early signs of irreversible ischemic change on CTA source images in patients with large vessel occlusion
Mak A, Matouk C, Avery E, Behland J, Haider S, Frey D, Madai V, Vajkoczy P, Griessenauer C, Zand R, Hendrix P, Abedi V, Sanelli P, Falcone G, Petersen N, Sansing L, Sheth K, Payabvash S, Malhotra A. Automated detection of early signs of irreversible ischemic change on CTA source images in patients with large vessel occlusion. PLOS ONE 2024, 19: e0304962. PMID: 38870240, PMCID: PMC11175522, DOI: 10.1371/journal.pone.0304962.Peer-Reviewed Original ResearchConceptsDiffusion-weighted imagingLarge vessel occlusionIrreversible ischemic changesPoor functional outcomeFunctional outcomesIschemic changesInfarct volumeAlberta Stroke Program Early CT ScorePredicting poor functional outcomeVessel occlusionFollow-up diffusion-weighted imagingAnterior circulation LVO strokeCTA source imagesReceiver operating characteristic curveExpert human readersPredicting final infarctionASPECTS regionsAdmission CTANon-inferior performanceBaseline CTACT scoreFinal infarctEndovascular therapyHU attenuationValidation cohortAssociation Between Hematoma Volume and Risk of Subsequent Ischemic Stroke: A MISTIE III and ATACH-2 Analysis
Harris W, Kaiser J, Liao V, Avadhani R, Iadecola C, Falcone G, Sheth K, Qureshi A, Goldstein J, Awad I, Hanley D, Kamel H, Ziai W, Murthy S. Association Between Hematoma Volume and Risk of Subsequent Ischemic Stroke: A MISTIE III and ATACH-2 Analysis. Stroke 2024, 55: 541-547. PMID: 38299346, PMCID: PMC10932908, DOI: 10.1161/strokeaha.123.045859.Peer-Reviewed Original ResearchConceptsIntracerebral hemorrhage volumeMedian ICH volumeRisk of ischemic strokeHematoma volumeIntracerebral hemorrhageIncreased risk of ischemic strokeATACH-2ICH volumeIschemic strokeCumulative incidenceMISTIE IIIIncreased riskLong-term increased riskIntracerebral hemorrhage characteristicsMedian hematoma volumeHeterogeneous cohort of patientsMedian follow-upPrimary analysisIntracerebral hemorrhage locationCohort of patientsNontraumatic intracerebral hemorrhageCox regression analysisShort-term risk of ischemic strokeCox regression modelsIndividual patient data
2023
Whole-Exome Sequencing Analyses Support a Role of Vitamin D Metabolism in Ischemic Stroke
Xie Y, Acosta J, Ye Y, Demarais Z, Conlon C, Chen M, Zhao H, Falcone G. Whole-Exome Sequencing Analyses Support a Role of Vitamin D Metabolism in Ischemic Stroke. Stroke 2023, 54: 800-809. PMID: 36762557, PMCID: PMC10467223, DOI: 10.1161/strokeaha.122.040883.Peer-Reviewed Original ResearchMeSH KeywordsExome SequencingGenetic TestingGenome-Wide Association StudyHumansIschemic StrokePhenotypeConceptsGene-based testingRare genetic variationGene-based analysisGenetic variationAssociation studiesGenome-wide association studiesSingle-variant association analysisWide significance levelSusceptibility risk lociWide association studyDeleterious missense variantsMissense rare variantsBonferroni-corrected thresholdWhole-exome sequencing dataRare variantsSingle variant analysisHeritable traitRisk lociExome-wide studySequencing dataExome sequencing analysisAssociation analysisSequencing analysisMissense variantsTraits
2022
One-Year Outcome Trajectories and Factors Associated with Functional Recovery Among Survivors of Intracerebral and Intraventricular Hemorrhage With Initial Severe Disability
Shah VA, Thompson RE, Yenokyan G, Acosta JN, Avadhani R, Dlugash R, McBee N, Li Y, Hansen BM, Ullman N, Falcone G, Awad IA, Hanley DF, Ziai WC. One-Year Outcome Trajectories and Factors Associated with Functional Recovery Among Survivors of Intracerebral and Intraventricular Hemorrhage With Initial Severe Disability. JAMA Neurology 2022, 79: 856-868. PMID: 35877105, PMCID: PMC9316056, DOI: 10.1001/jamaneurol.2022.1991.Peer-Reviewed Original ResearchMeSH KeywordsCerebral HemorrhageFemaleHematomaHumansIschemic StrokeMaleMiddle AgedSurvivorsTissue Plasminogen ActivatorConceptsSevere intracerebral hemorrhagePhase 3 trialIntracerebral hemorrhageIntraventricular hemorrhagePoor functional outcomeHospital eventsBetter outcomesDay 30Functional recoveryPoor outcomeFunctional outcomeLong-term functional recoverySevere disabilityMultivariable logistic regression modelHealth Stroke ScaleAcute ischemic strokeCerebral perfusion pressureRankin Scale scoreStandard medical careIndividual patient dataOverall mean ageIntracranial pressure monitoringLogistic regression modelsIntraventricular alteplaseMISTIE III
2021
Diffusion-Weighted Imaging Lesions After Intracerebral Hemorrhage and Risk of Stroke
Murthy SB, Zhang C, Gupta A, Cho SM, Rivera-Lara L, Avadhani R, Gruber J, Iadecola C, Falcone GJ, Sheth KN, Qureshi AI, Goldstein JN, Hanley DF, Kamel H, Ziai WC. Diffusion-Weighted Imaging Lesions After Intracerebral Hemorrhage and Risk of Stroke. Stroke 2021, 52: 595-602. PMID: 33467877, PMCID: PMC8340082, DOI: 10.1161/strokeaha.120.031628.Peer-Reviewed Original ResearchConceptsRecurrent intracerebral hemorrhageRisk of strokeIntracerebral hemorrhageDWI lesionsIschemic strokeDiffusion-weighted imagingDiffusion-weighted imaging lesionsMultivariate Cox regression analysisMISTIE III trialIncident ischemic strokeCox regression analysisPoor functional outcomeCox regression modelIndividual patient dataATACH-2 trialLong-term riskMagnetic resonance imagingICH survivorsIncident strokeIII trialsImaging lesionsSecondary outcomesIschemic lesionsPrimary outcomeFunctional outcome