2025
Voxel-Wise Map of Intracerebral Hemorrhage Locations Associated With Worse Outcomes
Karam G, Chen M, Zeevi D, Harms B, Berson E, Torres-Lopez V, Rivier C, Malhotra A, Qureshi A, Falcone G, Sheth K, Payabvash S. Voxel-Wise Map of Intracerebral Hemorrhage Locations Associated With Worse Outcomes. Stroke 2025, 56: 868-877. PMID: 40052269, DOI: 10.1161/strokeaha.124.048453.Peer-Reviewed Original ResearchConceptsImpact of intracerebral hemorrhageAssociated with worse outcomesClinical risk factorsVoxel-wise mapsMapping of brain regionsBaseline hematomaVoxel-wise analysisHematoma volumeICH locationBrain regionsValidation cohortWorse outcomesPresence of intraventricular hemorrhageRisk factorsBaseline hematoma volumeModified Rankin Scale scorePoor scan qualityMulticenter clinical trialRankin Scale scoreDeep white matterLow-risk categoryComprehensive stroke centerIntraventricular hemorrhageConsecutive patientsPatient age
2024
Care Quality and Outcomes of Ischemic Stroke in Patients With Premorbid Dementia: Get With The Guidelines-Stroke Registry
Ganesh A, Wang M, Schwamm L, Fonarow G, Messé S, Xian Y, Saver J, Smith E. Care Quality and Outcomes of Ischemic Stroke in Patients With Premorbid Dementia: Get With The Guidelines-Stroke Registry. Stroke 2024, 55: 2901-2905. PMID: 39503052, DOI: 10.1161/strokeaha.124.049027.Peer-Reviewed Original ResearchQuality of stroke carePremorbid dementiaGuidelines-Stroke registryStroke careGuidelines-StrokeDoor-to-needle timeImprove care qualityNational quality measuresQuality of careEmergency medical servicesQuality measuresHospice admissionPrestroke dementiaCare qualityDementia diagnosisIschemic strokeAcute stroke interventionHospital characteristicsIntravenous thrombolysisDischarge destinationPoststroke outcomesMedical servicesIn-hospital mortalityIschemic stroke patientsComprehensive stroke centerClinically relevant findings on 24-h head CT after acute stroke therapy: The 24-h CT score
Zhang B, King A, Voetsch B, Silverman S, Schwamm L, Ji X, Singhal A. Clinically relevant findings on 24-h head CT after acute stroke therapy: The 24-h CT score. International Journal Of Stroke 2024, 20: 226-234. PMID: 39324561, DOI: 10.1177/17474930241289992.Peer-Reviewed Original ResearchCT scoreCT findingsHead CTClinically relevant findingsFollow-up head CTRoutine head computed tomographyHead CT findingsHead computed tomographyConsecutive acute ischemic stroke patientsBlood pressure goalsAcute ischemic stroke patientsLow-risk groupMedium-risk groupAdministration of mannitolHigh-risk groupMultivariate logistic regressionAcute stroke therapyComprehensive stroke centerIschemic stroke patientsBlood glucose levelsCT abnormalitiesAntithrombotic treatmentRelevant findingsHypertonic salineRetrospective studySex Differences in the Blood Metabolome During Acute Response to Ischemic Stroke
Dylla L, Higgins H, Stephenson D, Reisz J, Vu T, Poisson S, Herson P, Monte A. Sex Differences in the Blood Metabolome During Acute Response to Ischemic Stroke. Journal Of Women's Health 2024, 33: 1378-1384. PMID: 38946610, PMCID: PMC11564668, DOI: 10.1089/jwh.2023.1133.Peer-Reviewed Original ResearchIschemic strokeLinear regression modelsMass spectrometry-based metabolomicsLifetime risk of strokeAssociated with neurological outcomeDifferentially expressed metabolitesRegression modelsAcute ischemic strokeRisk of strokeComprehensive stroke centerBlood metabolomeNeurological outcomeAcute treatmentMetabolomic profilesLifetime riskNeurological functionIndividual metabolitesTherapeutic potentialStroke centersAcute responseResults:</i></b>Study objectiveMetabolomicsStrokeNIHSSIdentification of specific recommendations for prehospital stroke care associated with shorter door-to-CT times – An analysis of Get with the Guidelines-Stroke registry and prehospital data
Dylla L, Higgins H, Wham C, Leppert M, Ravare B, Jeppson K, Bina H, Monte A, Poisson S. Identification of specific recommendations for prehospital stroke care associated with shorter door-to-CT times – An analysis of Get with the Guidelines-Stroke registry and prehospital data. Frontiers In Stroke 2024, 3: 1355889. DOI: 10.3389/fstro.2024.1355889.Peer-Reviewed Original ResearchDoor-to-CT timeAmerican Heart AssociationGuidelines-Stroke registryAmerican Heart Association recommendationsPrehospital careStroke patientsEmergency medical services documentationIschemic stroke patientsDoor-to-computed tomographyCare of stroke patientsPrehospital medical recordsPrehospital Stroke ScaleCare of strokeMultivariate linear regression modelPrehospital providersPrehospital dataProvider educationStroke signsPotential confoundersLinear regression modelsTreatment of acute strokeComprehensive stroke centerDescriptive statisticsSuspected strokeMedical recordsRepeat thrombectomy after large vessel re-occlusion: a propensity score matched analysis of technical and clinical outcomes
Zohdy Y, Saad H, Howard B, Cawley C, Pabaney A, Akbik F, Dimisko L, Maier I, Spiotta A, Jabbour P, Wolfe S, Rai A, Kim J, Mascitelli J, Starke R, Shaban A, Yoshimura S, De Leacy R, Kan P, Fragata I, Polifka A, Arthur A, Park M, Matouk C, Levitt M, Tjoumakaris S, Liman J, Waiters V, Pradilla G, Fargen K, Alawieh A, Grossberg J. Repeat thrombectomy after large vessel re-occlusion: a propensity score matched analysis of technical and clinical outcomes. Journal Of NeuroInterventional Surgery 2024, 17: e102-e102. PMID: 38238008, DOI: 10.1136/jnis-2023-021197.Peer-Reviewed Original ResearchConceptsSymptomatic intracranial hemorrhageRate of symptomatic intracranial hemorrhageLarge vessel occlusionNational Institutes of Health Stroke ScaleEndovascular thrombectomyRe-occlusionClinical outcomesRecurrent large vessel occlusionAcute large vessel occlusionRate of functional independenceNational Institutes of Health Stroke Scale scorePropensity score matching analysisCohort of patientsRetrospective cohort studyLarge vessel occlusion strokeScore matching analysisStandard of careEndovascular thrombectomy proceduresScores of patientsHealth Stroke ScaleComprehensive stroke centerPropensity score matchingIntracranial hemorrhagePatient cohortComparing patients
2023
Priorities for Advancements in Neuroimaging in the Diagnostic Workup of Acute Stroke
Samaniego E, Boltze J, Lyden P, Hill M, Campbell B, Silva G, Sheth K, Fisher M, Hillis A, Nguyen T, Carone D, Favilla C, Deljkich E, Albers G, Heit J, Lansberg M, Aksoy D, Broderick J, Castonguay A, Ghosh S, Grotta J, Harston G, Houser G, Kuchenbecker K, Latour L, Liebeskind D, Kylan Lynch J, Maier C, Mistry E, Mocco J, Nogueira R, Saver J, van Vlimmeren M, Wakhloo A, Wechsler L. Priorities for Advancements in Neuroimaging in the Diagnostic Workup of Acute Stroke. Stroke 2023, 54: 3190-3201. PMID: 37942645, PMCID: PMC10841844, DOI: 10.1161/strokeaha.123.044985.Peer-Reviewed Original ResearchConceptsAcute strokeDiagnostic workupAcute ischemic stroke treatmentAcute ischemic strokeComprehensive stroke centerHigh-resolution vessel wallCerebral Infarction (TICI) scaleIschemic stroke treatmentMobile stroke unitIschemic strokeStroke centersStroke treatmentStroke unitReperfusion outcomesPatient outcomesEarly ischemiaCone beamStrokeVessel wallWorkupAcademic investigatorsOutcomesTomographyThrombolysisReperfusionPerformance of Thrombectomy-Capable, Comprehensive, and Primary Stroke Centers in Reperfusion Therapies for Acute Ischemic Stroke: Report From the Get With The Guidelines–Stroke Registry
Raychev R, Sun J, Schwamm L, Smith E, Fonarow G, Messé S, Xian Y, Chiswell K, Blanco R, Mac Grory B, Saver J. Performance of Thrombectomy-Capable, Comprehensive, and Primary Stroke Centers in Reperfusion Therapies for Acute Ischemic Stroke: Report From the Get With The Guidelines–Stroke Registry. Circulation 2023, 148: 2019-2028. PMID: 37855118, DOI: 10.1161/circulationaha.123.066114.Peer-Reviewed Original ResearchConceptsComprehensive stroke centerPrimary stroke centerThrombectomy-capable stroke centersAcute ischemic strokeGuidelines-Stroke registryEndovascular thrombectomyStroke centersReperfusion therapyIschemic strokeClinical outcomesHealth Stroke Scale scoreClinical efficacy outcomesStroke Scale scoreHigher National InstitutesOdds of dischargeGoal doorEVT proceduresHospital mortalityIntravenous thrombolysisEfficacy outcomesSuccessful reperfusionCohort studyDischarge destinationNeedle timePuncture timeThe effect of occlusion location and technique in mechanical thrombectomy for minor stroke.
Abecassis I, Almallouhi E, Chalhoub R, Helal A, Naidugari J, Kasab S, Bass E, Ding D, Saini V, Burks J, Maier I, Jabbour P, Kim J, Wolfe S, Rai A, Psychogios M, Samaniego E, Arthur A, Yoshimura S, Howard B, Alawieh A, Fragata I, Cuellar H, Polifka A, Mascitelli J, Osbun J, Crosa R, Matouk C, Park M, Levitt M, Dumont T, Williamson R, Spiotta A, Starke R. The effect of occlusion location and technique in mechanical thrombectomy for minor stroke. Interventional Neuroradiology 2023, 15910199231196451. PMID: 37593806, DOI: 10.1177/15910199231196451.Peer-Reviewed Original ResearchNational Institutes of Health Stroke ScaleClinical outcomesDistal occlusionMechanical thrombectomySafety profileAssociated with good clinical outcomesAssociated with worse clinical outcomesAssociated with better clinical outcomesPatients treated with MTMulticenter retrospective studyNational Institutes of Health Stroke Scale scoreLarge vessel occlusion strokeModified Rankin ScaleDistal vessel occlusionEndovascular mechanical thrombectomyDistal occlusion groupComprehensive stroke centerHealth Stroke ScaleLocation of occlusionRetrospective studyOcclusion groupProcedure timeIV-tPAAtrial fibrillationEstablished treatmentOutcomes of recurrent stroke in patients with atrial fibrillation according to presumed etiology
Pedreira B, Zachrison K, Singhal A, Yan Z, Oliveira-Filho J, Schwamm L. Outcomes of recurrent stroke in patients with atrial fibrillation according to presumed etiology. Arquivos De Neuro-Psiquiatria 2023, 81: 616-623. PMID: 37336506, PMCID: PMC10371407, DOI: 10.1055/s-0043-1769124.Peer-Reviewed Original ResearchConceptsUndetermined stroke etiologyAtrial fibrillationRecurrent strokeStroke etiologyAF patientsFavorable outcomeAcademic comprehensive stroke centerHealth Stroke Scale scoreMedian National InstitutesSingle-center sampleComprehensive stroke centerRecurrent ischemic strokeStroke Scale scoreHistory of strokePotent risk factorDifferent treatment strategiesHospital mortalitySecondary prophylaxisReperfusion therapyCardioembolic strokeIschemic strokeStroke centersDischarge outcomesRisk factorsTreatment strategiesPredictors for large vessel recanalization before stroke thrombectomy: the HALT score
Colasurdo M, Chen H, Schrier C, Khalid M, Khunte M, Miller T, Cherian J, Malhotra A, Gandhi D. Predictors for large vessel recanalization before stroke thrombectomy: the HALT score. Journal Of NeuroInterventional Surgery 2023, 16: 237-242. PMID: 37100595, DOI: 10.1136/jnis-2023-020220.Peer-Reviewed Original ResearchLarge-vessel recanalizationEndovascular therapyIndependent predictorsVessel recanalizationAtrial fibrillationVascular occlusionAcute large-vessel ischemic strokeLarge-vessel ischemic strokeIntravenous thrombolysis useComprehensive stroke centerHealth Stroke ScaleRetrospective cohort studyReceiver-operating curveEVT treatmentLVR patientsStroke ScaleClinical characteristicsIschemic strokeStroke centersCohort studyConsecutive patientsStroke thrombectomyThrombolysis usePatient selectionStroke triageAbstract TP47: Impact Of Prehospital Care And Patient Presentation On In-hospital Treatment Of Acute Ischemic Stroke
DYLLA L, Higgins H, Ravare B, Jeppson K, Bina H, Rice J, Herson P, Monte A, Poisson S. Abstract TP47: Impact Of Prehospital Care And Patient Presentation On In-hospital Treatment Of Acute Ischemic Stroke. Stroke 2023, 54: atp47-atp47. DOI: 10.1161/str.54.suppl_1.tp47.Peer-Reviewed Original ResearchEmergency medicine servicesDoor-to-CT timeAmerican Heart AssociationLinear regression modelsDoor-to-computed tomographyIn-hospital quality of careQuality-of-care metricsGuideline concordant careQuality of careAcute stroke careDoor-to-CTIn-hospital careRegression modelsMultivariate linear regression modelConcordant careProvider compliancePrehospital careStroke careStroke guidelinesIschemic stroke patientsMedicine serviceStroke symptomsIn-hospital outcomesComprehensive stroke centerAcute ischemic stroke patients
2022
Stroke care in Armenia: Recent developments
Yeghiazaryan N, Isahakyan A, Zubalova L, Hovhannisyan Y, Sahakyan G, Chekijian S, Khachatryan S, Muratoglu M, Aghasaryan M, Babikian V. Stroke care in Armenia: Recent developments. European Stroke Journal 2022, 8: 28-34. PMID: 36793742, PMCID: PMC9923127, DOI: 10.1177/23969873221108739.Peer-Reviewed Original ResearchConceptsAcute stroke careStroke careMajor public health problemModern stroke careComprehensive stroke centerSixth leading causePublic health problemStroke teamStroke centersRevascularization proceduresLeading causeStroke expertsActive educational programsHealth problemsCareIncome countriesStrokeUnderserved partsMedical infrastructureEducational programsSubstantial advancesMortalityNursesPhysiciansFactors Affecting Interfacility Transport Intervals in Stroke Patients Transferred for Endovascular Therapy
Glober N, Faris G, Montelauro N, Tainter C, Myers S, Arkins T, Vaizer J, Latta C, Lardaro T. Factors Affecting Interfacility Transport Intervals in Stroke Patients Transferred for Endovascular Therapy. Prehospital Emergency Care 2022, 27: 646-651. PMID: 35616919, DOI: 10.1080/10903127.2022.2082608.Peer-Reviewed Original ResearchConceptsInterfacility transferHospital intervalLevels of careElectronic medical recordsLarge vessel occlusionHospital dataComprehensive stroke centerStroke patientsMedical recordsStroke centersTransport intervalHospitalResponse intervalEndovascular therapyState of IndianaActivation intervalsStrokeLarge vessel occlusion strokePatientsInterfacilityVentilator managementCareEmergency endovascular therapyStroke Severity and Early Ischemic Changes Predict Infarct Growth Rate and Clinical Outcomes in Patients With Large‐Vessel Occlusion
Quispe‐Orozco D, Sequeiros J, Farooqui M, Zevallos C, Mendez‐Ruiz A, Dajles A, Kobsa J, Prasad A, Petersen N, Ortega‐Gutierrez S. Stroke Severity and Early Ischemic Changes Predict Infarct Growth Rate and Clinical Outcomes in Patients With Large‐Vessel Occlusion. Stroke Vascular And Interventional Neurology 2022, 2 DOI: 10.1161/svin.121.000182.Peer-Reviewed Original ResearchAlberta Stroke Program Early CT ScoreHealth Stroke Scale scoreStroke Scale scoreEarly ischemic changesFast progressorsScale scoreSuccessful reperfusionStroke severityEndovascular therapyIschemic changesClinical outcomesNational InstituteAnterior circulation large vessel occlusion strokeRetrospective cohort observational studyLarge vessel occlusion strokeInfarct growth ratesComprehensive stroke centerHealth Stroke ScaleCohort observational studyFinal infarct volumeLarge vessel occlusionMultivariate logistic regressionIschemic stroke progressionYouden's J indexInfarct progressionDifferences in Performance on Quality Measures for Thrombectomy‐Capable Stroke Centers Compared With Comprehensive Stroke Centers in 2019 to 2020
Baker D, Schmaltz S, Kolbusz K, Messé S, Jauch E, Schwamm L. Differences in Performance on Quality Measures for Thrombectomy‐Capable Stroke Centers Compared With Comprehensive Stroke Centers in 2019 to 2020. Stroke Vascular And Interventional Neurology 2022, 2 DOI: 10.1161/svin.121.000302.Peer-Reviewed Original ResearchComprehensive stroke centerLarge vessel occlusionMechanical thrombectomyStroke centersSkin punctureCerebral infarctionMedian timeStroke center certificationSymptomatic hemorrhagic complicationsSymptomatic hemorrhagic transformationPercentage of patientsProportion of patientsSuccessful mechanical thrombectomyThrombectomy-capable stroke centersProlonged transport timesWilcoxon rank sum testRank sum testHemorrhagic transformationHemorrhagic complicationsStroke careCenter certificationSigned-rank testCurrent recommendationsPatientsMedian proportionThe relationship between stroke system organization and disparities in access to stroke center care in California
Zachrison K, Samuels‐Kalow M, Li S, Yan Z, Reeves M, Hsia R, Schwamm L, Camargo C. The relationship between stroke system organization and disparities in access to stroke center care in California. Journal Of The American College Of Emergency Physicians Open 2022, 3: e12706. PMID: 35316966, PMCID: PMC8921441, DOI: 10.1002/emp2.12706.Peer-Reviewed Original ResearchIschemic stroke patientsInterhospital transferStroke patientsReperfusion interventionsCenter careEthnic disparitiesAcute ischemic stroke patientsNon-Hispanic black patientsAsian/Pacific Islander patientsAcute ischemic strokeComprehensive stroke centerOdds of dischargeHospital-level characteristicsPacific Islander patientsNon-Hispanic Asian/Pacific IslandersNon-Hispanic blacksAsian/Pacific IslandersInterhospital patient transfersOutcomes of interestNon-Hispanic whitesHierarchical logistic regressionReperfusion therapyHospital dischargeIschemic strokeStroke centers
2021
Ipsilateral internal carotid artery web and acute ischemic stroke: A cohort study, systematic review and meta-analysis
Mac Grory B, Nossek E, Reznik ME, Schrag M, Jayaraman M, McTaggart R, de Havenon A, Yaghi S, Feng W, Furie K, Boyanpally A. Ipsilateral internal carotid artery web and acute ischemic stroke: A cohort study, systematic review and meta-analysis. PLOS ONE 2021, 16: e0257697. PMID: 34534252, PMCID: PMC8448368, DOI: 10.1371/journal.pone.0257697.Peer-Reviewed Original ResearchConceptsCarotid artery webCarotid webIschemic stroke patientsCryptogenic strokeComputed tomography angiographyStroke patientsSystematic reviewCohort studyIschemic strokeRelative riskSimilar cohortAcute ischemic stroke patientsCompelling potential mechanismsCryptogenic stroke patientsComprehensive stroke centerAcute ischemic strokeEmbolic ischemic strokeEligible patientsSecondary preventionStroke centersStroke subtypesYounger patientsPooled prevalenceTomography angiographyPatientsAssociation of Hospital Telestroke Adoption With Changes in Initial Hospital Presentation and Transfers Among Patients With Stroke and Transient Ischemic Attacks
Zachrison K, Richard J, Wilcock A, Zubizaretta J, Schwamm L, Uscher-Pines L, Mehrotra A. Association of Hospital Telestroke Adoption With Changes in Initial Hospital Presentation and Transfers Among Patients With Stroke and Transient Ischemic Attacks. JAMA Network Open 2021, 4: e2126612. PMID: 34554236, PMCID: PMC8461501, DOI: 10.1001/jamanetworkopen.2021.26612.Peer-Reviewed Original ResearchConceptsHospital stroke volumeControl hospitalsStroke volumeStroke centersStroke symptomsStroke systemsCase mixTransient ischemic attack admissionsHospital pairsInitial hospital presentationThrombectomy-capable hospitalsComprehensive stroke centerTransient ischemic attackPrimary stroke centerCross-sectional studyMajor teaching hospitalObserved patient characteristicsBed sizeHospital presentationIschemic attackInitial hospitalCritical access hospitalsPatient characteristicsInterhospital transferPostimplementation periodEffect of Alteplase Use on Outcomes in Patients With Atrial Fibrillation: Analysis of the Initiation of Anticoagulation After Cardioembolic Stroke Study
Yaghi S, Mistry E, de Havenon A, Guerrero C, Nouh A, Liberman AL, Giles J, Liu A, Nagy M, Kaushal A, Azher I, Mac Grory B, Fakhri H, Espaillat K, Asad SD, Pasupuleti H, Martin H, Tan J, Veerasamy M, Esenwa C, Cheng N, Moncrieffe K, Moeini‐Naghani I, Siddu M, Scher E, Trivedi T, Wu T, Khan M, Keyrouz S, Furie K, Henninger N. Effect of Alteplase Use on Outcomes in Patients With Atrial Fibrillation: Analysis of the Initiation of Anticoagulation After Cardioembolic Stroke Study. Journal Of The American Heart Association 2021, 10: e020945. PMID: 34323120, PMCID: PMC8475683, DOI: 10.1161/jaha.121.020945.Peer-Reviewed Original ResearchConceptsAcute ischemic strokeMechanical thrombectomyAlteplase useIschemic strokeHemorrhagic transformationAtrial fibrillationPrimary analysisEfficacy of alteplaseInitiation of anticoagulationComprehensive stroke centerBinary logistic regressionIntravenous alteplaseStroke centersConsecutive patientsStroke StudyAlteplaseMortality ratePatientsSecondary analysisMortalityStrokeLogistic regressionFurther studiesFibrillationIAC study
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