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E-023 Predictors of outcomes in tandem anterior circulation occlusions following mechanical thrombectomy
In this study, we present outcomes of patients undergoing tandem mechanical thrombectomy. We demonstrate that stenting is associated with improved final reperfusion, but increased odds of asymptomatic ICH. Additional clinical trials should be performed to optimize the procedure and improve patient outcomes.Disclosures J. Catapano: None. D. Farhadi: None. A. Naik: None. S. Koester: None. E. Winkler: None. V. Srinivasan: None. K. Karahalios: None. J. Rulney: None. S. Desai: None. A. Jadhav: None. F. Albuquerque: None. A. Ducruet: None.
Source: Journal of NeuroInterventional Surgery - July 23, 2022 Category: Neurosurgery Authors: Catapano, J., Farhadi, D., Naik, A., Koester, S., Winkler, E., Srinivasan, V., Karahalios, K., Rulney, J., Desai, S., Jadhav, A., Albuquerque, F., Ducruet, A. Tags: SNIS 19th annual meeting electronic poster abstracts Source Type: research

E-030 Feasibility and safety of mechanical thrombectomy for sole primary angular artery M3 and M4 MCA occlusions
ConclusionAngular artery occlusions often present with disabling symptoms, commonly including speech deficits and limb paresis. Our limited data suggests that mechanical thrombectomy of the angular artery is feasible and safe. As with thrombectomy in other vascular territories, and amongst other factors, patient outcome is influenced by grade of reperfusion.Disclosures A. Kuhn: None. J. Singh: None. F. Massari: None. A. Puri: 1; C; NIH, Microvention, Cerenovus, Medtronic Neurovascular and Stryker Neurovascular. 2; C; Medtronic Neurovascular, Stryker NeurovascularBalt, Q’Apel Medical, Cerenovus, Microvention, Imperati...
Source: Journal of NeuroInterventional Surgery - July 23, 2022 Category: Neurosurgery Authors: Kuhn, A., Singh, J., Massari, F., Puri, A. Tags: SNIS 19th annual meeting electronic poster abstracts Source Type: research

E-035 Intra-arterial tissue plasminogen activator (IA-tPA) as first line and salvage therapy to achieve complete reperfusion in acute ischemic stroke
ConclusionFor tough-to-remove clots, IA-tPA as first-line and salvage therapy can be potentially efficacious with adequate results.Disclosures M. Waqas: None. S. Housley: None. A. Baig: None. J. Cappuzzo: None. A. Monteiro: None. W. Khawar: None. E. Levy: 2; C; Claret Medical, GLG Consulting, Guidepoint Global, Imperial Care, Medtronic, Rebound, StimMed, Misionix, Mosiac, Clarion, IRRAS. 3; C; Medtronic. 4; C; NeXtGen Biologics, RAPID Medical, Claret Medical, Cognition Medical, Imperative Care, Rebound Therapeutics, StimMed, Three Rivers Medical. 6; C; Reimbursement for travel and food for some meetings with the CNS and AB...
Source: Journal of NeuroInterventional Surgery - July 23, 2022 Category: Neurosurgery Authors: Waqas, M., Housley, S., Baig, A., Cappuzzo, J., Monteiro, A., Khawar, W., Levy, E., Siddiqui, A. Tags: SNIS 19th annual meeting electronic poster abstracts Source Type: research

E-040 Factors associated with failed mechanical thrombectomy in acute ischemic stroke
ConclusionFailed MT was encountered in approximately 12% of cases. The most common location of failed MT was intracranial and this was predominantly due to ICAS. Further studies to evaluate better treatment modalities of ICAS related LVO are warranted.Disclosures O. Lajthia: None. H. Ali: None. R. Neyes: None. E. Almallouhi: None. R. Chalhoub: None. K. Kicielinski: None. J. Lena: None. M. Sattur: None. G. Porto: None. A. Spiotta: None. S. Al Kasab: None.
Source: Journal of NeuroInterventional Surgery - July 23, 2022 Category: Neurosurgery Authors: Lajthia, O., Ali, H., Neyes, R., Almallouhi, E., Chalhoub, R., Kicielinski, K., Lena, J., Sattur, M., Porto, G., Spiotta, A., Al Kasab, S. Tags: SNIS 19th annual meeting electronic poster abstracts Source Type: research

E-092 Use of balloon-guide catheters for concomitant mechanical thrombectomy and carotid revascularization with flow-arrest results in significantly lower sICH and better 90-day outcomes in tandem stroke patients
ConclusionUse of balloon-guide catheters for concomitant mechanical thrombectomy and carotid revascularization with flow-arrest results in significantly lower sICH and better 90-day outcomes in tandem stroke patients.Disclosures A. Baig: None. J. Neumaier: None. M. Waqas: None. A. Monteiro: None. J. Cappuzzo: None. W. Khawar: None. B. Donnelly: None. E. Levy: 2; C; : Claret Medical, GLG Consulting, Guidepoint Global, Imperial Care, Medtronic, Rebound, StimMed, Misionix, Mosiac, Clarion, IRRAS. 4; C; NeXtGen Biologics, RAPID Medical, Claret Medical, Cognition Medical, Imperative Care, Rebound Therapeutics, StimMed, Three Ri...
Source: Journal of NeuroInterventional Surgery - July 23, 2022 Category: Neurosurgery Authors: Baig, A., Neumaier, J., Waqas, M., Monteiro, A., Cappuzzo, J., Khawar, W., Donnelly, B., Levy, E., Siddiqui, A. Tags: SNIS 19th annual meeting electronic poster abstracts Source Type: research

E-139 Use of drug-eluding, balloon-expandable resolute onyx coronary stent as a new treatment strategy for vertebral artery ostial stenosis
ConclusionWe report the first clinical series investigating the use of drug-eluding, balloon-expandable Resolute Onyx coronary stent as a safe, efficacious, and durable treatment option for both symptomatic and asymptomatic vertebral ostial stenosis.Disclosures J. Lim: None. A. Baig: None. A. Aguirre: None. A. Monteiro: None. E. Levy: 2; C; : Claret Medical, GLG Consulting, Guidepoint Global, Imperial Care, Medtronic, Rebound, StimMed, Misionix, Mosiac, Clarion, IRRAS.. 4; C; NeXtGen Biologics, RAPID Medical, Claret Medical, Cognition Medical, Imperative Care, Rebound Therapeutics, StimMed, Three Rivers Medical. A. Siddiqu...
Source: Journal of NeuroInterventional Surgery - July 23, 2022 Category: Neurosurgery Authors: Lim, J., Baig, A., Aguirre, A., Monteiro, A., Levy, E., Siddiqui, A. Tags: SNIS 19th annual meeting electronic poster abstracts Source Type: research

E-153 Transfemoral flow-reversal using walrus balloon-guide catheter for carotid artery stenting technical description and single-center experience
ConclusionsIn our institution’s experience, this technique was safe, feasible and efficient, with 100% technical success and no periprocedural thromboembolic complications. More extensive studies are needed to establish the role of proximal protection with flow-reversal using modern BGCs.Disclosures J. Cappuzzo: None. A. Monteiro: None. M. Waqas: None. A. Baig: None. D. Popoola: None. F. Almayman: None. W. Khawar: None. Z. Farkash: None. A. Siddiqui: 2; C; Amnis Therapeutics, Apellis Pharmaceuticals, Inc., Boston Scientific, Canon Medical Systems USA, Inc., Cardinal Health 200, LLC, Cerebrotech Medical Systems, Inc.,...
Source: Journal of NeuroInterventional Surgery - July 23, 2022 Category: Neurosurgery Authors: Cappuzzo, J., Monteiro, A., Waqas, M., Baig, A., Popoola, D., Almayman, F., Khawar, W., Farkash, Z., Siddiqui, A., Levy, E., Snyder, K. Tags: SNIS 19th annual meeting electronic poster abstracts Source Type: research

E-187 Pipeline embolization stent for treatment of giant supraclinoid aneurysms: a case series
ConclusionThe Pipeline embolization device is a novel technique that can be utilized for treatment of giant cerebrovascular aneurysms with emerging evidence of immediate and long-term success. Further patient enrollment and clinical trials will be required to assess its efficacy in comparison to other endovascular and surgical approaches for the treatment of giant aneurysms.Disclosures M. Fana: None. O. Alsrouji: None. M. Rehman: None.
Source: Journal of NeuroInterventional Surgery - July 23, 2022 Category: Neurosurgery Authors: Fana, M., Alsrouji, O., Rehman, M. Tags: SNIS 19th annual meeting electronic poster abstracts Source Type: research

E-191 Influence of socioeconomic factors on the development of post-stroke depression in aneurysmal subarachnoid hemorrhage survivors
ConclusionThe overall risk of developing a new depression disorder after aSAH was 16% in this retrospective study. The female sex was close to 4 times and substance use were six and half time more likely to develop new depressive symptoms; therefore, these risk factors should be considered when screening patients for depression after aSAH.Disclosures D. Lim: None. C. Abdi: None. L. George: None. K. Lim: None. M. Amruthur: None. A. Gonzalez: None. K. Prijoles: None. H. Haughn: None. J. Keen: None. E. Federico: None. C. Galang: None. B. Gulek: None. D. Bass: None. R. Meyer: None. D. Coppel: None. C. Kelly: None. L. Kim: None. M. Levitt: None.
Source: Journal of NeuroInterventional Surgery - July 23, 2022 Category: Neurosurgery Authors: Lim, D., Abdi, C., George, L., Lim, K., Amruthur, M., Gonzalez, A., Prijoles, K., Haughn, H., Keen, J., Federico, E., Galang, C., Gulek, B., Bass, D., Meyer, R., Coppel, D., Kelly, C., Kim, L., Levitt, M. Tags: SNIS 19th annual meeting electronic poster abstracts Source Type: research

E-218 Risk factors of unexplained early neurological deterioration following endovascular treatment in patient with large vessel occlusion: systematic review and meta-analysis
ConclusionSeveral risk factors were associated with UN-END for after EVT in particular Age and NIHSS score at baseline. Future research on the mechanism underlying UN-END is warranted.Disclosures M. Abbasi: None. J. Arturo Larco: None. C. Perez Vega: None. T. Huynh: None.
Source: Journal of NeuroInterventional Surgery - July 23, 2022 Category: Neurosurgery Authors: Abbasi, M., Arturo Larco, J., Perez Vega, C., Huynh, T. Tags: SNIS 19th annual meeting electronic poster abstracts Source Type: research

E-236 Comparison of pipeline vs surpass flow diverter: a single center experience
ConclusionsIn our single-center retrospective experience in the last 5 years, the Pipeline and Surpass were comparable except that the Surpass flow diverter cases tended to have a higher baseline aneurysm width compared to Pipeline. However, the procedural outcomes and complication rates were comparable between both groups. Long-term and follow-up data to be evaluated for efficacy outcomes assessment.Disclosures A. Pandhi: None. A. Kashkoush: None. M. Bain: None.
Source: Journal of NeuroInterventional Surgery - July 23, 2022 Category: Neurosurgery Authors: Pandhi, A., Kashkoush, A., Bain, M. Tags: SNIS 19th annual meeting electronic poster abstracts Source Type: research

P-030 Mechanical thrombectomy in medium vessel occlusions using the novel aspiration MIVI Q catheters: an international multicenter experience
ConclusionsTreatment of MeVO patients with Q catheters resulted in optimal angiographic and clinical outcomes. Though angiographic results were similar between primary and secondary MeVOs, the first had less severe presentation and better outcomes at 90-days than the latter.Disclosures A. Monteiro: None. L. Makalanda: None. J. Wareham: None. J. Jones: None. P. Dhillon: None. P. Bhogal: None. W. Brinjikji: None. M. Mokin: None. A. Siddiqui: 1; C; Co-investigator for NIH – 1R01EB030092–01, Project Title: High Speed Angiography at 1000 frames per second; Mentor for Brain Aneurysm Foundation Carol W. Harvey Chair o...
Source: Journal of NeuroInterventional Surgery - July 23, 2022 Category: Neurosurgery Authors: Monteiro, A., Makalanda, L., Wareham, J., Jones, J., Dhillon, P., Bhogal, P., Brinjikji, W., Mokin, M., Siddiqui, A. Tags: SNIS 19th annual meeting oral poster abstracts Source Type: research

E-248 Postpartum vertebral artery dissections: a report of 7 cases and literature review
ConclusionA limited cohort of 33 ppVADs exist in the literature. This study contributes 7 additional cases and suggests that, despite heterogenous management of ppVAD, the resulting outcomes were favorable.Disclosures V. Lazarov: None. A. Monteiro: None. F. Almayman: None. M. Waqas: None. J. Cappuzzo: None. E. Levy: None. A. Siddiqui: None.
Source: Journal of NeuroInterventional Surgery - July 23, 2022 Category: Neurosurgery Authors: Lazarov, V., Monteiro, A., Almayman, F., Waqas, M., Cappuzzo, J., Levy, E., Siddiqui, A. Tags: SNIS 19th annual meeting electronic poster abstracts Source Type: research

Early recanalization in large-vessel occlusion stroke patients transferred for endovascular treatment
Conclusions Early recanalization is associated with clinical improvement between PSC and CSC admission, more distal occlusions and shorter thrombi at baseline imaging, and better functional outcome.
Source: Journal of NeuroInterventional Surgery - April 19, 2022 Category: Neurosurgery Authors: Arrarte Terreros, N., Bruggeman, A. A. E., Swijnenburg, I. S. J., van Meenen, L. C. C., Groot, A. E., Coutinho, J. M., Roos, Y. B. W. E. M., Emmer, B. J., Beenen, L. F. M., van Bavel, E., Marquering, H. A., Majoie, C. B. L. M. Tags: Open access Vascular neurology Source Type: research

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