2022
Subsequent ischemic stroke and tobacco smoking: A secondary analysis of the POINT trial
Lang A, de Havenon A, Mac Grory B, Henninger N, Shu L, Furie K, Easton J, Kim A, Johnston S, Yaghi S. Subsequent ischemic stroke and tobacco smoking: A secondary analysis of the POINT trial. European Stroke Journal 2022, 8: 328-333. PMID: 37021190, PMCID: PMC10069178, DOI: 10.1177/23969873221148224.Peer-Reviewed Original ResearchMeSH KeywordsAspirinClopidogrelHemorrhageHumansIschemic Attack, TransientIschemic StrokeNeoplasm Recurrence, LocalPlatelet Aggregation InhibitorsSmokingStrokeTobacco SmokingConceptsSubsequent ischemic strokeEffect of clopidogrelSubsequent stroke riskIschemic strokeMajor hemorrhagePoint trialStroke riskSmoking statusMinor Ischemic Stroke (POINT) trialSubgroup interaction analysesMultivariable Cox regressionMinor ischemic strokeIschemic stroke trialsEffect of smokingNon-significant trendNew TIACurrent smokersStroke trialsTobacco smokingCox regressionIndex eventSmokersSecondary analysisClopidogrelStroke
2021
Evaluation of Systolic Blood Pressure, Use of Aspirin and Clopidogrel, and Stroke Recurrence in the Platelet-Oriented Inhibition in New TIA and Minor Ischemic Stroke Trial
de Havenon A, Johnston SC, Easton JD, Kim AS, Sheth KN, Lansberg M, Tirschwell D, Mistry E, Yaghi S. Evaluation of Systolic Blood Pressure, Use of Aspirin and Clopidogrel, and Stroke Recurrence in the Platelet-Oriented Inhibition in New TIA and Minor Ischemic Stroke Trial. JAMA Network Open 2021, 4: e2112551. PMID: 34086033, PMCID: PMC8178708, DOI: 10.1001/jamanetworkopen.2021.12551.Peer-Reviewed Original ResearchConceptsBaseline systolic blood pressureDual antiplatelet therapySystolic blood pressureTransient ischemic attackMinor Ischemic Stroke (POINT) trialNew transient ischemic attackAcute ischemic strokeIschemic strokeIschemic stroke trialsStroke recurrenceHazard ratioBlood pressurePrimary outcomeStroke trialsElevated baseline systolic blood pressureFit Cox proportional hazards modelsHigher baseline systolic blood pressureElevated systolic blood pressureCox proportional hazards modelDays of randomizationFuture stroke riskIschemic stroke recurrenceUse of aspirinSubgroup of patientsProportional hazards modelImpaired Distal Perfusion Predicts Length of Hospital Stay in Patients with Symptomatic Middle Cerebral Artery Stenosis
Yaghi S, de Havenon A, Honda T, Hinman JD, Raychev R, Sharma LK, Kim S, Feldmann E, Romano JG, Prabhakaran S, Liebeskind DS. Impaired Distal Perfusion Predicts Length of Hospital Stay in Patients with Symptomatic Middle Cerebral Artery Stenosis. Journal Of Neuroimaging 2021, 31: 475-479. PMID: 33565162, PMCID: PMC8119309, DOI: 10.1111/jon.12839.Peer-Reviewed Original ResearchConceptsTransient ischemic attackMCA stenosisPerfusion delayPerfusion imagingSymptomatic middle cerebral artery stenosisMiddle cerebral artery stenosisSymptomatic MCA stenosisComprehensive stroke centerSymptomatic intracranial stenosisCerebral artery stenosisContinuous variablesHospital stayIschemic attackIschemic strokeStenosis patientsStroke centersSymptom onsetConsecutive patientsArtery stenosisIntracranial stenosisProspective studyRetrospective studyPredicts LengthInclusion criteriaMismatch volumeTelestroke consultation can accurately diagnose ischemic stroke mimics
Poon J, Tkach A, de Havenon A, Hoversten K, Johnson J, Hannon P, Chung L, Majersik J. Telestroke consultation can accurately diagnose ischemic stroke mimics. Journal Of Telemedicine And Telecare 2021, 29: 444-450. PMID: 33535915, DOI: 10.1177/1357633x21989558.Peer-Reviewed Original ResearchMeSH KeywordsAgedFemaleHumansIschemic Attack, TransientIschemic StrokeMaleReferral and ConsultationStrokeTissue Plasminogen ActivatorConceptsAIS/transient ischemic attackTransient ischemic attackAcute ischemic strokeStroke mimicsDischarge diagnosisNegative predictive valuePositive predictive valuePredictive valueStroke/transient ischemic attackIntravenous tissue plasminogen activatorAcute neurologic syndromesTissue plasminogen activatorHigh diagnostic agreementMimic diagnosesTelestroke consultationIschemic attackIschemic strokeRetrospective reviewIntracerebral hemorrhageNeurologic syndromeNPV 85Telestroke networkPPV 90Clinical informationTS diagnosis