2024
O-035 Higher endovascular thrombectomy procedural volume is associated with reduced inpatient mortality
Koo A, Renedo D, Ney J, Amllay A, Kanzler M, Stogniy S, Nowicki K, Alawieh A, Sujijantarat N, Antonios J, Al Kasab S, Hebert R, Matouk C, de Havenon A. O-035 Higher endovascular thrombectomy procedural volume is associated with reduced inpatient mortality. 2024, a27.2-a28. DOI: 10.1136/jnis-2024-snis.35.Peer-Reviewed Original ResearchO-037 One-year follow-up of the eShunt® System for the treatment of normal pressure hydrocephalus
Lylyk P, Matouk C, Siddiqui A, Riina H, Lylyk I, Bleise C, Scrivano E, Lylyk P, Antonios J, Beneduce B, Levy E, Heilman C, Malek A. O-037 One-year follow-up of the eShunt® System for the treatment of normal pressure hydrocephalus. 2024, a29.1-a29. DOI: 10.1136/jnis-2024-snis.37.Peer-Reviewed Original ResearchP-031 One-year safety of the eShunt® implant used in the treatment of communicating hydrocephalus
Lylyk P, Matouk C, Siddiqui A, Riina H, Lylyk I, Bleise C, Scrivano E, Lylyk P, Antonios J, Beneduce B, Levy E, Heilman C, Malek A. P-031 One-year safety of the eShunt® implant used in the treatment of communicating hydrocephalus. 2024, a78.1-a78. DOI: 10.1136/jnis-2024-snis.103.Peer-Reviewed Original ResearchAuthor Correction: TLR agonists polarize interferon responses in conjunction with dendritic cell vaccination in malignant glioma: a randomized phase II Trial
Everson R, Hugo W, Sun L, Antonios J, Lee A, Ding L, Bu M, Khattab S, Chavez C, Billingslea-Yoon E, Salazar A, Ellingson B, Cloughesy T, Liau L, Prins R. Author Correction: TLR agonists polarize interferon responses in conjunction with dendritic cell vaccination in malignant glioma: a randomized phase II Trial. Nature Communications 2024, 15: 4800. PMID: 38839763, PMCID: PMC11153605, DOI: 10.1038/s41467-024-48995-7.Peer-Reviewed Original ResearchTLR agonists polarize interferon responses in conjunction with dendritic cell vaccination in malignant glioma: a randomized phase II Trial
Everson R, Hugo W, Sun L, Antonios J, Lee A, Ding L, Bu M, Khattab S, Chavez C, Billingslea-Yoon E, Salazar A, Ellingson B, Cloughesy T, Liau L, Prins R. TLR agonists polarize interferon responses in conjunction with dendritic cell vaccination in malignant glioma: a randomized phase II Trial. Nature Communications 2024, 15: 3882. PMID: 38719809, PMCID: PMC11078958, DOI: 10.1038/s41467-024-48073-y.Peer-Reviewed Original ResearchConceptsAutologous tumor lysate-pulsed dendritic cellCD8+ T cellsT cellsPoly-ICLCTLR agonistsMalignant gliomasTumor lysate-pulsed dendritic cellsRandomized phase II trialCD4+ T cellsRandomized phase II clinical trialInterferon responsePhase II clinical trialPoly-ICLC treatmentDendritic cell vaccinesPD-1 expressionPhase II trialInterferon responsive gene expressionSystemic immune responsesImmune cell activationII clinical trialsInduction of interferon-inducible genesDelay disease progressionInterferon gene expressionInterferon-inducible genesPD-1Use of a dedicated open transcarotid access system for neurovascular disease
Sujijantarat N, Renedo D, Antonios J, Koo A, Amllay A, Nowicki K, Cord B, Hebert R, de Havenon A, Sheth K, Petersen N, Matouk C. Use of a dedicated open transcarotid access system for neurovascular disease. Journal Of NeuroInterventional Surgery 2024, jnis-2024-021599. PMID: 38719442, DOI: 10.1136/jnis-2024-021599.Peer-Reviewed Original ResearchExtracranial carotid stenosisTranscarotid artery revascularizationNeurovascular diseasesCarotid stenosisDatabase of consecutive patientsNeurovascular pathologyTreatment of neurovascular diseasesAccess-related complicationsTreatment of neurovascular pathologiesOff-label useCarotid flow reversalConsecutive patientsRetrospective reviewIntracranial atherosclerotic diseasePeriprocedural complicationsEndovascular treatmentArtery revascularizationProcedural characteristicsArterial sheathCarotid diseaseAcademic centersIntracranial aneurysmsPatientsTranscarotid approachTransradial approachAngiographic evidence of an inadvertent cannulation of the marginal sinus following central line migration: illustrative case
Amllay A, Owolo E, Nowicki K, Sujijantarat N, Koo A, Antonios J, Renedo D, Matouk C, Hebert R. Angiographic evidence of an inadvertent cannulation of the marginal sinus following central line migration: illustrative case. Journal Of Neurosurgery Case Lessons 2024, 7: case23607. PMID: 38684119, PMCID: PMC11058405, DOI: 10.3171/case23607.Peer-Reviewed Original ResearchCentral venous catheterInternal jugular veinCatheter tip migrationTip migrationMalpositioned cathetersAbsence of contrast extravasationSinus cannulationTriple-lumen central venous catheterAortic valve replacementInadvertent cannulationCatheter malpositionContrast extravasationValve replacementSigmoid sinusImprove patient outcomesPosterior fossaEndovascular managementSevere complicationsVenous cathetersWeeks postinsertionPrompt managementAngiographic evidenceCatheter exchangeReduce morbidityInterventional suiteThe eShunt® System: A Novel Minimally Invasive CSF Shunting System for the Treatment of Idiopathic Normal Pressure Hydrocephalus (P10-4.014)
Lylyk P, Matouk C, Siddiqui A, Riina H, Lylyk I, Bleise C, Scrivano E, Lylyk P, Antonios J, Beneduce B, Levy E, Heilman C, Malek A. The eShunt® System: A Novel Minimally Invasive CSF Shunting System for the Treatment of Idiopathic Normal Pressure Hydrocephalus (P10-4.014). Neurology 2024, 102 DOI: 10.1212/wnl.0000000000206181.Peer-Reviewed Original Research306 Endothelial Infiltrating Regulatory B Cells and NK T Cells Precipitate Inflammatory Cascade That Leads to Aneurysmal Rupture
Antonios J, Barak T, Gultekin B, Yalcin K, Adenu-Mensah N, Sujijantarat N, Koo A, Haynes J, Hebert R, Matouk C, Gunel M. 306 Endothelial Infiltrating Regulatory B Cells and NK T Cells Precipitate Inflammatory Cascade That Leads to Aneurysmal Rupture. Neurosurgery 2024, 70: 88-89. DOI: 10.1227/neu.0000000000002809_306.Peer-Reviewed Original ResearchRegulatory B cellsB cellsSentinel hemorrhageNK cellsInflammatory cascadeCytotoxic CD8 T cellsRecruitment of NK cellsCD8 T cellsAdjunctive immune therapyEndovascular coil embolizationCoordinated immune responseIntracranial aneurysm developmentImmune therapyRecurrent aneurysmsAneurysmal vessel wallT cellsCoil embolizationRuptured aneurysmsTime of ruptureAneurysm ruptureUnruptured aneurysmsInfiltrating populationPatient populationImmune responseAneurysm development308 Improvement in Cranial Nerve Neuropathies Following Treatment of Intracranial Aneurysms With Flow Diverters: Institutional Outcomes and Meta-analysis of Literature
Sujijantarat N, Antonios J, Koo A, Haynes J, Renedo D, Hebert R, Sheth K, King J, Matouk C. 308 Improvement in Cranial Nerve Neuropathies Following Treatment of Intracranial Aneurysms With Flow Diverters: Institutional Outcomes and Meta-analysis of Literature. Neurosurgery 2024, 70: 89-89. DOI: 10.1227/neu.0000000000002809_308.Peer-Reviewed Original ResearchIntracranial aneurysmsPooled rateMeta-analysisCranial nervesRate of clinical improvementNear total occlusionAneurysms treated with flow diversionCranial nerve neuropathyMonths of presentationFlow diversionAssociated with symptomatic improvementRare presenting symptomSymptomatic intracranial aneurysmsRate of improvementTreatment of intracranial aneurysmsRandom-effects meta-analysisMeta-analysis of literatureEffects meta-analysisOphthalmological outcomesCN deficitsRetrospective reviewAssociated with improvementsClinical improvementNerve neuropathySymptomatic improvement157 Minimally Invasive Treatment of Idiopathic Normal Pressure Hydrocephalus Using the Endovascular eShunt Implant
Lylyk P, Matouk C, Siddiqui A, Lylyk I, Bleise C, Scrivano E, Lylyk N, Antonios J, Beneduce B, Levy E, Heilman C, Malek A. 157 Minimally Invasive Treatment of Idiopathic Normal Pressure Hydrocephalus Using the Endovascular eShunt Implant. Neurosurgery 2024, 70: 36-37. DOI: 10.1227/neu.0000000000002809_157.Peer-Reviewed Original ResearchNeurogenic Bladder Symptom ScoreComposite outcome scoreNormal pressure hydrocephalusIdiopathic normal pressure hydrocephalusOutcome scoresVentriculo-peritoneal shunt surgeryTimed Up &Treatment of idiopathic normal pressure hydrocephalusPressure hydrocephalusTreat communicating hydrocephalusFavorable risk profileFunctional outcome scoresMinimally invasive treatmentFollow-up dataMontreal Cognitive AssessmentCompared to baselineGait improvementFollow-up phaseShunt surgeryUrinary continenceCSF shuntingUrinary incontinenceElderly patientsPre-treatment scoresFollow-up
2023
Low‐Field Portable Magnetic Resonance Imaging for Post‐Thrombectomy Assessment of Ongoing Brain Injury
Sujijantarat N, Koo A, Jambor I, Malhotra A, Mazurek M, Parasuram N, Yadlapalli V, Chavva I, Lalwani D, Zabinska J, Roy J, Antonios J, Elsamadicy A, Renedo D, Hebert R, Schindler J, Gilmore E, Sansing L, de Havenon A, Olexa M, Schiff S, Iglesias J, Rosen M, Kimberly W, Petersen N, Sheth K, Matouk C. Low‐Field Portable Magnetic Resonance Imaging for Post‐Thrombectomy Assessment of Ongoing Brain Injury. Stroke Vascular And Interventional Neurology 2023, 3 DOI: 10.1161/svin.123.000921.Peer-Reviewed Original ResearchMechanical thrombectomyInterventional radiology suiteMagnetic resonance imagingRadiology suiteConventional MRIResonance imagingCerebral Infarction scoreOngoing brain injuryLarge vessel occlusionInfarct burdenRevascularization timeInfarct volumeClinical characteristicsInfarct progressionAdverse eventsIschemic changesMethods PatientsMedian timeBedside evaluationBrain injuryTimely imagingResults TwentyPatientsSubsequent imagingProcedural detailsO-068 Regulatory B cell and adjunctive immune population drives intracranial aneurysm rupture in patient population
Antonios J, Barak T, Gultekin B, Yalcin K, Chamberlain A, Hebert R, Matouk C, Gunel M. O-068 Regulatory B cell and adjunctive immune population drives intracranial aneurysm rupture in patient population. 2023, a53.1-a53. DOI: 10.1136/jnis-2023-snis.68.Peer-Reviewed Original ResearchO-039 Preliminary results of the cerevasc eShunt implant in the treatment of normal pressure hydrocephalus
Lylyk P, Matouk C, Siddiqui A, Lylyk I, Bleise C, Scrivano E, Lylyk N, Antonios J, Beneduce B, Levy E, Heilman C, Malek A. O-039 Preliminary results of the cerevasc eShunt implant in the treatment of normal pressure hydrocephalus. 2023, a31-a32. DOI: 10.1136/jnis-2023-snis.39.Peer-Reviewed Original Research
2022
Stereotactic radiosurgery and local control of brain metastases from triple-negative breast cancer.
Kowalchuk R, Niranjan A, Hess J, Antonios J, Zhang M, Braunstein S, Ross R, Pikis S, Deibert C, Lee C, Yang H, Langlois A, Mathieu D, Peker S, Samanci Y, Rusthoven C, Chiang V, Wei Z, Lunsford L, Trifiletti D, Sheehan J. Stereotactic radiosurgery and local control of brain metastases from triple-negative breast cancer. Journal Of Neurosurgery 2022, 138: 1608-1614. PMID: 36433878, DOI: 10.3171/2022.10.jns221900.Peer-Reviewed Original ResearchTriple-negative breast cancerLocal tumor progressionStereotactic radiosurgeryBreast cancerOverall survivalMetastatic lesionsPerformance statusLocal controlTriple-negative breast cancer metastasisMedian Karnofsky performance statusTumor progressionWhole-brain radiation therapyFavorable performance statusMedian margin dosePrior stereotactic radiosurgerySymptomatic radiation necrosisKarnofsky performance statusIntracranial metastatic diseaseRetrospective chart reviewLocal tumor controlBreast cancer metastasisIntracranial metastatic lesionsMargin doseMultiinstitutional cohortBrain metastasesNavigating an Internal Carotid Artery Anatomic Variant During Endovascular Therapy for Acute Ischemic Stroke
Peng T, Sharma R, Antonios J, Hebert R, Jasne A. Navigating an Internal Carotid Artery Anatomic Variant During Endovascular Therapy for Acute Ischemic Stroke. Stroke 2022, 53: e517-e518. PMID: 36106549, DOI: 10.1161/strokeaha.122.040501.Peer-Reviewed Case Reports and Technical Notes307 The Hospital Frailty Risk Score Independently Predicts Increased Complication Rates and Healthcare Resource Utilization After Endovascular Treatment of Ruptured Aneurysms
Koo A, Elsamadicy A, Sarkozy M, Sherman J, Reeves B, Freedman I, Antonios J, Sujijantarat N, Renado D, Hebert R, Malhotra A, Matouk C. 307 The Hospital Frailty Risk Score Independently Predicts Increased Complication Rates and Healthcare Resource Utilization After Endovascular Treatment of Ruptured Aneurysms. Neurosurgery 2022, 68: 67-68. DOI: 10.1227/neu.0000000000001880_307.Peer-Reviewed Original ResearchHospital Frailty Risk ScoreNon-routine dischargeFrailty Risk ScoreEndovascular treatmentIntracranial aneurysmsPerioperative complicationsLower frailtyHospital costsRisk scoreNational Inpatient Sample databaseMean total hospital costMultivariate logistic regression analysisICD-10 diagnostic codesImpact of frailtyRetrospective cohort studyHealthcare resource utilizationEvaluation of patientsTotal hospital costsAdverse healthcare outcomesAdministrative hospital dataRuptured intracranial aneurysmLogistic regression analysisRegression analysisMultivariate regression analysisAdult patients
2020
In Silico Analysis of Changes in Immunological Landscape During Malignant Transformation of IDH-mutant Low-grade Gliomas
Yeung J, Vesely M, Antonios J, Miyagishima D. In Silico Analysis of Changes in Immunological Landscape During Malignant Transformation of IDH-mutant Low-grade Gliomas. Neurosurgery 2020, 67 DOI: 10.1093/neuros/nyaa447_835.Peer-Reviewed Original ResearchRace and All-cause Mortality in Patients with a Primary Malignant or Nonmalignant Tumor of the Spinal Cord or Spinal Meninges
Elsamadicy A, Freedman I, Koo A, David W, Reeves B, Antonios J, Laurans M, Kolb L, Sciubba D. Race and All-cause Mortality in Patients with a Primary Malignant or Nonmalignant Tumor of the Spinal Cord or Spinal Meninges. Neurosurgery 2020, 67 DOI: 10.1093/neuros/nyaa447_203.Peer-Reviewed Original ResearchCTIM-18. DENDRITIC CELL VACCINATION IN CONJUNCTION WITH ADJUVANT TLR-3 AGONIST ADMINISTRATION ENHANCES PRO-INFLAMMATORY IMMUNE RESPONSES AND IS ASSOCIATED WITH EXTENDED SURVIVAL IN MALIGNANT GLIOMA PATIENTS
Chavez C, Everson R, Orpilla J, Lee A, Khattab S, Antonios J, Salazar A, Cloughesy T, Liau L, Sun L, Hugo W, Prins R. CTIM-18. DENDRITIC CELL VACCINATION IN CONJUNCTION WITH ADJUVANT TLR-3 AGONIST ADMINISTRATION ENHANCES PRO-INFLAMMATORY IMMUNE RESPONSES AND IS ASSOCIATED WITH EXTENDED SURVIVAL IN MALIGNANT GLIOMA PATIENTS. Neuro-Oncology 2020, 22: ii36-ii37. PMCID: PMC7650313, DOI: 10.1093/neuonc/noaa215.152.Peer-Reviewed Original ResearchPatient's peripheral blood mononuclear cellsMalignant glioma patientsToll-like receptorsImmune responsePoly ICLCDendritic cellsClinical trialsTumor lysate-pulsed DCGlioma patientsTLR-3Lysate-pulsed DCPeripheral blood mononuclear cellsPhase II clinical trialTLR-7 agonistDendritic cell vaccinesPro-inflammatory immune responseWHO grade IIITLR-3 agonistIncreased expression of pro-inflammatory genesMGMT methylation statusBlood mononuclear cellsII clinical trialsExpression of pro-inflammatory genesPro-inflammatory responseExpression of pro-inflammatory factors