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E-135 Dejerine-roussy syndrome in the setting of right sigmoid sinus thrombosis: a unique case report
DiscussionThis case illustrates the important clinical aspects and physical findings needed to diagnose DRS. The presence of focal allodynia and hyperalgesia with recent cerebrovascular incidents provides significant evidence for DRS. The purpose of this case is to provide awareness and to increase clinical suspicion of DRS during examination, especially in the setting of cerebral venous sinus occlusion as infarction alone may not present as atypical allodynia.Disclosures S. Nittala: None. C. Jara: None. D. Raza: None. J. Cazzaniga: None. D. Filippi: None.
Source: Journal of NeuroInterventional Surgery - July 30, 2023 Category: Neurosurgery Authors: Nittala, S., Jara, C., Raza, D., Cazzaniga, J., Filippi, D. Tags: SNIS 20th annual meeting electronic poster abstracts Source Type: research

O-021 Concurrent middle meningeal artery embolization for treatment of chronic subdural hematomas
This study provides evidence from a multi-institutional cohort that performing concurrent MMAe in the perioperative period as an adjunct to surgical evacuation is a safe and effective means to reduce surgical recurrence in patients with NASHs.Abstract O-021 Table 1Procedural details of 145 patients (149 NASHs) who underwent concurrent MMAe Characteristic Value (range or%) Antiplatelet/anticoagulation use Antiplatelet 46/147* (31) Anticoagulant 29/148* (20) Both 9/148* (6) Prior SDH evacuation 38/149* (26) Perioperative platelet count < 100K 8/148* (5) Procedure details Anesthesia General 63/149* (42) MAC 57/149* (38) C...
Source: Journal of NeuroInterventional Surgery - July 30, 2023 Category: Neurosurgery Authors: Salah, W., Baker, C., Scoville, J., Hunsaker, J., Ogilvy, C., Moore, J., Riina, H., Levy, E., Spiotta, A., Jankowitz, B., Cawley, C., Khalessi, A., Tanweer, O., Hanel, R., Gross, B., Kuybu, O., Nguyen Hoang, A., Baig, A., Khorasanizadeh, M., Mendez, A., C Tags: SNIS 20th annual meeting oral abstracts Source Type: research

O23 Mechanical thrombectomy using a modified ADAPT (a direct aspiration first pass technique) in a patient with m1-occlusion and concomitant mca-aneurysm
We present a case in which a patient with a right-sided MCA M1 occlusion (NIHSS 30) and concomitant mediabifurcation aneurysm was fully recanalized (TICI 3) using a modified ADAPT technique, without prior passage of the thrombus as previously described by Turc et al.2. To us, the avoidance of blind aneurysm passage by microwire and microcatheter appears to be a major advantage of the method used. Instead, the aspiration catheter was advanced via a 0.035 Terumo guide wire for proximal stabilization. Thrombus was aspirated with proximally inflated BGC and repeated imaging series up to visualization of the aneurysm neck. Thus...
Source: Journal of NeuroInterventional Surgery - August 29, 2022 Category: Neurosurgery Authors: Demerath, T., Elbaz, A., Urbach, H., Taschner, C. Tags: 14th Congress of the European Society of Minimally Invasive Neurological Therapy 2022 Meeting Abstracts Source Type: research

LB002 Long term effect of field triage on times to endovascular treatment for emergent large vessel occlusion
ConclusionsComparing adjacent states over time, the implementation of severity-based field triage significantly reduced time to EVT and improved clinical outcomes.Disclosures M. Jayaraman: None. G. Baird: None. K. Ouediat: None. G. Paolucci: None. R. Haas: None. R. Torabi: None. K. Moldovan: None. J. Rhodes: None. J. Potvin: None. N. Alexander-Scott: None. S. Yaghi: None. T. Madsen: None. K. Furie: None. R. McTaggart: None.
Source: Journal of NeuroInterventional Surgery - July 26, 2022 Category: Neurosurgery Authors: Jayaraman, M., Baird, G., Ouediat, K., Paolucci, G., Haas, R., Torabi, R., Moldovan, K., Rhodes, J., Potvin, J., Alexander-Scott, N., Yaghi, S., Madsen, T., Furie, K., McTaggart, R. Tags: SNIS 19th annual meeting late-breaking oral abstracts Source Type: research

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-094 Trends in endovascular treatment of cervical artery dissections: a nationwide analysis
ConclusionsDespite an increase in the overall use of endovascular therapy for the treatment of cervical artery dissection in patients with ischemic stroke or TIA, there was no significant association with early clinical outcomes. Future studies looking at long term outcomes including stroke-recurrence are warranted.Disclosures M. Bouslama: None. C. Zhang: None. H. Kamel: 1; C; PI for the NIH-funded ARCADIA trial (NINDS U01NS095869) which receives in-kind study drug from the BMS-Pfizer Alliance for Eliquis® and ancillary study support from Roche Diagnostics. 2; C; Deputy Editor for JAMA Neurology, steering committee mem...
Source: Journal of NeuroInterventional Surgery - July 23, 2022 Category: Neurosurgery Authors: Bouslama, M., Zhang, C., Kamel, H., Merkler, A. 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-204 Outcomes of radial and femoral access in mechanical thrombectomy for posterior circulation occlusions: a multicenter propensity-adjusted analysis
In this study, we compare outcomes for radial and femoral access for MT in posterior circulation strokes.MethodsA retrospective analysis of all patients with a posterior circulation large vessel occlusion whom underwent mechanical thrombectomy at two large comprehensive stroke centers was performed. Data on demographics, clinical presentation, procedural data, including radial or femoral access, and outcomes were tabulated. Outcomes of interest included National Institute of Health Stroke Scale at discharge and 24-hours. The Thrombolysis in Cerebral Infarction (TICI) scale was used to ascertain revascularization after inte...
Source: Journal of NeuroInterventional Surgery - July 23, 2022 Category: Neurosurgery Authors: Catapano, J., Naik, A., Smoot, M., Vitek, G., Koester, S., Winkler, E., Srinivasan, V., Desai, S., Ducruet, A., Albuquerque, F., Jadhav, A. Tags: SNIS 19th annual meeting electronic poster abstracts Source Type: research

P-001 Non-contrast CT alone versus combined CT plus CTA or MRA selection for thrombectomy in acute ischemic stroke: analysis of the angel-act registry
DiscussionIn patients selected for MT using non-contrast CT alone versus CT combined with CTA/MRA, we found improved procedural outcomes (shorten door-to-reperfusion time) and similar clinical outcomes and safety profiles. Our real-world findings indicate MT can be safely and effectively performed in hospitals lacking 24/7 access to immediate CTA or MRA. The beneficial effect of using non-contrast CT-only may be present in patients with ultra-early symptoms to ED arrival (within the first hour) and should be further evaluated.Disclosures G. Ma: None. M. Mokin: None. B. Jia: None. A. P. Jadhav: None. X. Tong: None. D. Mo: N...
Source: Journal of NeuroInterventional Surgery - July 26, 2021 Category: Neurosurgery Authors: Ma, G., Mokin, M., Jia, B., Jadhav, A., Tong, X., Mo, D., Ma, N., Gao, F., Huo, X., Luo, G., Song, L., Sun, X., Deng, Y., Wang, A., Zhang, X., Gui, L., Song, C., Peng, Y., Wu, J., Zhao, S., Zhao, J., Zhou, Z., Miao, Z., Ren, Z. Tags: Oral poster abstracts Source Type: research

P-031 Effect of COVID-19 on acute ischemic stroke: population-level experience
ConclusionIn this population-level study, significant decreases in AIS volume were observed with slightly higher incidence in younger population and higher LVO strokes. Rates of thrombolysis and thrombectomy remained unchanged but patients appeared to have worse outcomes.Disclosures Y. Kim: None. S. Khose: None. S. Salazar-Marioni: None. R. Abdelkhaleq: None. S. Sheth: None.
Source: Journal of NeuroInterventional Surgery - July 26, 2021 Category: Neurosurgery Authors: Kim, Y., Khose, S., Salazar-Marioni, S., Abdelkhaleq, R., Sheth, S. Tags: Oral poster abstracts Source Type: research

P-043 Elevated D-dimer levels predicts mortality in COVID-19 with stroke: analysis of multi-center electronic health record data
ConclusionsPeak D-dimer levels above 5.15 µg/ml feu are associated with increased mortality in COVID-19 patients with AIS.Disclosures Y. Kim: None. S. Khose: None. R. Abdelkhaleq: None. S. Salazar-Marioni: None. S. Sheth: None.
Source: Journal of NeuroInterventional Surgery - July 26, 2021 Category: Neurosurgery Authors: Kim, Y., Khose, S., Abdelkhaleq, R., Salazar-Marioni, S., Sheth, S. Tags: Oral poster abstracts Source Type: research

E-010 Strict aspects cutoffs in endovascular therapy selection paradigms may harm patient outcomes
ConclusionASPECT scores at presentation in patients with LVO were associated with 90-day disability outcomes in a continuous fashion. In patients with ASPECTS close to 5, EST continued to provide significant treatment effect. These findings argue against the use of strict ASPECTS cutoffs for EST eligibility.Disclosures R. Abdelkhaleq: None. C. De la Garza: None. Y. Kim: None. S. Khose: None. S. Salazar Marioni: None. S. Sheth: None.
Source: Journal of NeuroInterventional Surgery - July 26, 2021 Category: Neurosurgery Authors: Abdelkhaleq, R., De la Garza, C., Kim, Y., Khose, S., Salazar Marioni, S., Sheth, S. Tags: Electronic poster abstracts Source Type: research

E-021 Pathophysiology, stroke types, collateral formation and aneurysms in moyamoya disease/moya moya syndrome
ConclusionsMMD is presented most commonly with ischemic stroke in the pediatric age group and with hemorrhagic stroke in the adult age group. MMD-associated intracranial aneurysms frequently occur in patients presenting with hemorrhagic unilateral MMD and are associated with an extremely high rate of rupture. Long-standing hemodynamic stress might contribute to the formation of an aneurysm.Disclosures S. Ahmad: None.
Source: Journal of NeuroInterventional Surgery - July 26, 2021 Category: Neurosurgery Authors: Ahmad, S. Tags: Electronic poster abstracts Source Type: research

P-004 30 day results of revascularization of extracranial carotid artery stenosis (recas) trial in mainland china
This study is registered, number NCT01994187. Results The trial enrolled 2762 patients (CAS group, n=1543; CEA group, n=1176; CEA+CAS group, n=43). The primary end point was achieved in 4.47% (69/1543) in patients treated with carotid artery stents, and 4.93% (58/1176) in patients treated with carotid endarterectomy, an absolute difference of 0.46%. Risks of any stroke (3.50% vs 3.32%) was higher in the stenting group than in the endarterectomy group, but the risks of any death (0.39% vs 0.51%) was lower in the stenting group than in the endarterectomy group. Nine procedural myocardial infarctions were recorded in the st...
Source: Journal of NeuroInterventional Surgery - July 23, 2017 Category: Neurosurgery Authors: Bin, Y., Yanfei, C., Yabing, W., Peng, G., Yan, M., Liqun, J. Tags: Oral Poster Abstracts Source Type: research

Practice makes perfect: establishing reasonable minimum thrombectomy volume requirements for stroke centers
Introduction Recently, seven randomized controlled trials were published showing benefit to neurothrombectomy (NT) in the setting of anterior circulation emergent large vessel occlusion (ELVO).1–7 Accordingly, the American Heart Association/American Stroke Association has updated societal guidelines and provided a class 1, level of evidence A recommendation that NT be performed in patients with an ELVO who meet appropriate criteria.8 Subsequently, a recent national survey of neurointerventional physicians has suggested increasing procedural volumes, with many reporting increasing indications for patient selection sin...
Source: Journal of NeuroInterventional Surgery - July 12, 2017 Category: Neurosurgery Authors: Fargen, K. M., Fiorella, D. J., Mocco, J. Tags: Editor ' s column Source Type: research

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