2021
Penumbra Consumption Rates Based on Time-to-Maximum Delay and Reperfusion Status: A Post Hoc Analysis of the DEFUSE 3 Trial
Yaghi S, Raz E, Dehkharghani S, Riina H, McTaggart R, Jayaraman M, Prabhakaran S, Liebeskind DS, Khatri P, Mac Grory B, Al-Mufti F, Lansberg M, Albers G, de Havenon A. Penumbra Consumption Rates Based on Time-to-Maximum Delay and Reperfusion Status: A Post Hoc Analysis of the DEFUSE 3 Trial. Stroke 2021, 52: 2690-2693. PMID: 34157865, DOI: 10.1161/strokeaha.120.033806.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overBrain IschemiaCerebral RevascularizationCerebrovascular CirculationEndovascular ProceduresFemaleHumansMaleMiddle AgedStrokeThrombectomyTime-to-TreatmentConceptsDEFUSE-3 trialsLarge vessel occlusionPenumbral tissueVessel occlusionMismatch volumeAcute large vessel occlusionAnterior circulation occlusionEndovascular thrombectomy patientsAcute ischemic strokePost Hoc AnalysisReperfusion statusThrombectomy patientsTICI 0Cerebral infarctionEndovascular thrombectomyIschemic strokeUntreated patientsPrimary outcomeSalvageable tissueTreatment modalitiesHoc AnalysisPerfusion timePatientsNatural historyOcclusion
2019
Results From DEFUSE 3
de Havenon A, Mlynash M, Kim-Tenser MA, Lansberg MG, Leslie-Mazwi T, Christensen S, McTaggart RA, Alexander M, Albers G, Broderick J, Marks MP, Heit JJ, Investigators O. Results From DEFUSE 3. Stroke 2019, 50: 632-638. PMID: 30726184, PMCID: PMC6628906, DOI: 10.1161/strokeaha.118.023407.Peer-Reviewed Original ResearchConceptsIschemic core volumeLarge vessel occlusionEndovascular thrombectomyCollateral statusTomography angiographyFunctional independenceDEFUSE 3Poor collateralsLeptomeningeal collateralsStroke patientsVessel occlusionGood collateralsAnterior circulation large vessel occlusionBaseline ischemic core volumeSmall ischemic core volumeAcute ischemic stroke patientsDEFUSE 3 patientsIschemic stroke patientsModified Rankin ScaleStroke-related deathComputed tomography angiographyGood leptomeningeal collateralsTreatment effectsNeurological outcomePrespecified analysis
2017
Determinants of the impact of blood pressure variability on neurological outcome after acute ischaemic stroke
de Havenon A, Bennett A, Stoddard GJ, Smith G, Chung L, O'Donnell S, McNally JS, Tirschwell D, Majersik JJ. Determinants of the impact of blood pressure variability on neurological outcome after acute ischaemic stroke. Stroke And Vascular Neurology 2017, 2: 1. PMID: 28959484, PMCID: PMC5435214, DOI: 10.1136/svn-2016-000057.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedBlood PressureBlood Pressure DeterminationCerebral AngiographyCerebrovascular CirculationCollateral CirculationComputed Tomography AngiographyDisability EvaluationFemaleHumansIschemic StrokeMaleMiddle AgedNeuroimagingPatient AdmissionPerfusion ImagingPredictive Value of TestsPrognosisRecovery of FunctionRetrospective StudiesRisk FactorsTime FactorsConceptsBlood pressure variabilityProximal vessel occlusionAcute ischemic strokeIschemic strokeVessel occlusionNeurological outcomeBPV indicesPressure variabilityAcute anterior circulation ischemic strokeAnterior circulation ischemic strokeIntravenous tissue plasminogen activatorGood collateral vesselsIschemic core volumeLarger mismatch volumeWorse neurological outcomeAcute stroke therapySubset of patientsSystolic blood pressureTissue plasminogen activatorLogistic regression modelsOrdinal logistic regression modelsEndovascular thrombectomyIschemic penumbraStroke onsetStroke outcome
2015
Medial Occipital Lobe Hyperperfusion Identified by Arterial Spin-Labeling: A Poor Prognostic Sign in Patients with Hypoxic-Ischemic Encephalopathy
de Havenon A, Sultan-Qurraie A, Tirschwell D, Cohen W, Majersik J, Andre JB. Medial Occipital Lobe Hyperperfusion Identified by Arterial Spin-Labeling: A Poor Prognostic Sign in Patients with Hypoxic-Ischemic Encephalopathy. American Journal Of Neuroradiology 2015, 36: 2292-2295. PMID: 26338917, PMCID: PMC7964282, DOI: 10.3174/ajnr.a4444.Peer-Reviewed Original ResearchMeSH KeywordsAdultCerebrovascular CirculationFemaleHumansHypoxia-Ischemia, BrainMagnetic Resonance ImagingMaleMiddle AgedOccipital LobePrognosisProspective StudiesRetrospective StudiesSpin LabelsConceptsHypoxic-ischemic encephalopathyModerate hypoxic-ischemic encephalopathyCohort of patientsPoor prognostic signArterial spin-labeling MRArterial spin labelingHospital dischargeAdult patientsPrognostic signPrognostic valueProspective InvestigationUncertain prognosisHyperperfusionPatientsEncephalopathyArterial spin labeling dataCBF mapsHigher likelihoodROI placementVoxel basisSpin labelingQuantitative CBF mapsRegional increaseDistinctive patternsPrognosis