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P114/135 Drug-coated balloons for treatment of in-stent restenosis following carotid artery stenting: a major case, single center study
ConclusionIn our practice, DCB offers a straightforward option to treat restenosis of the ACI ostium. The low rate of periprocedural complications and the median time of freedom from symptoms and/or restenosis suggest that DCB angioplasty for ISRS is a viable treatment.Disclosure of InterestNothing to disclose
Source: Journal of NeuroInterventional Surgery - August 21, 2023 Category: Neurosurgery Authors: Hajiyev, K., Gottberg, P. v., Henkes, H. Tags: 3.1 OTHER - Innovation Source Type: research

P165/237 Development and Validation of a novel stenosis model for percutaneous transluminal angioplasty training
ConclusionThe authors propose a novel ICA stenosis simulation model for training of PTA.The model provides a realistic and replicable method for standardized procedural training.Disclosure of InterestNothing to disclose
Source: Journal of NeuroInterventional Surgery - August 21, 2023 Category: Neurosurgery Authors: Ramdani, N., Anna, K., Tuan, N., Jonte, S., Dieter, K., Fabian, F., Lukas, M., Jens, F., Maxim, B., Helena, G. Tags: 2.3 ISCHEMIC - Treatment Source Type: research

Retained radial catheters associated with variant radial anatomy in neurointerventional procedures
Conclusion Retained catheters for neurointerventional procedures performed via TRA are rare. However, this complication may be associated with variant radial anatomy. With the increased use of TRA for neurointerventional procedures, awareness of anatomical abnormalities that may lead to a retained catheter is necessary. We propose a simple protocol to avoid catheter entrapment, including in emergent situations such as TRA for stroke thrombectomy.
Source: Journal of NeuroInterventional Surgery - August 17, 2023 Category: Neurosurgery Authors: Catapano, J. S., Winkler, E. A., Srinivasan, V. M., Dishion, E. L., Rutledge, C., Baranoski, J. F., Cole, T. S., Rudy, R. F., Rumalla, K., Zomaya, M. P., Jadhav, A. P., Ducruet, A. F., Albuquerque, F. C. Tags: New devices New devices and techniques Source Type: research

O-004 A propensity score-matched comparative study of balloon guide catheters vs conventional guide catheters for mechanical thrombectomy with stenting in tandem strokes: comparison of 1st-pass effect, symptomatic ICH, and 90-day functional outcomes
ConclusionBGCs used for concurrent MT-carotid revascularization with flow arrest were safe and resulted in superior clinical and angiographic outcomes in tandem stroke patients.Abstract O-004 Table 1Multivariate logistic regression analysis performed after propensity score matching to compare procedural parameters and angiographic and clinical outcomes between balloon guide catheter and conventional guide catheter groupsDisclosures A. Baig: None. M. Waqas: None. R. Turner: None. C. Kuo: None. B. Donnelly: None. P. Lai: None. K. Raygor: None. M. Bouslama: None. J. Lim: None. J. Neumaier: None. J. Cappuzzo: None. J. Davies: ...
Source: Journal of NeuroInterventional Surgery - July 30, 2023 Category: Neurosurgery Authors: Baig, A., Waqas, M., Turner, R., Kuo, C., Donnelly, B., Lai, P., Raygor, K., Bouslama, M., Lim, J., Neumaier, J., Cappuzzo, J., Davies, J., Snyder, K., Siddiqui, A., Levy, E. Tags: SNIS 20th annual meeting oral abstracts Source Type: research

O17 Profile of intracranial artery calcifications and effect on endovascular stroke treatment
ConclusionsIntracranial arterial calcifications within the symptomatic vessel are associated with worse angiographic and functional outcomes. Identification of symptomatic-IAC on baseline imaging may predict need of intracranial stenting and determine their optimal endovascular treatment strategy.ReferencesMaurer CJ, et al. Endovascular Thrombectomy of Calcified Emboli in Acute Ischemic Stroke: A Multicenter Study. AJNR. 2020 Mar;41(3):464–468.Johnson S, Mccarthy R, Fahy B, et al. Development of an in vitro Model of Calcified Cerebral Emboli in Acute Ischemic Stroke for Mechanical Thrombectomy Evaluation. J Neurointe...
Source: Journal of NeuroInterventional Surgery - August 29, 2022 Category: Neurosurgery Authors: Rodrigo-Gisbert, M., Requena, M., Rubiera, M., Lozano, P., De Dios Lascuevas, M., Garcia-Tornel, A., Olive-Gadea, M., Boned, S., Muchada, M., Rodriguez-Villatoro, N., Rodriguez-Luna, D., Juega, J., Pagola, J., Pinana, C., Hernandez, D., Molina, C., Tomase Tags: 14th Congress of the European Society of Minimally Invasive Neurological Therapy 2022 Meeting Abstracts Source Type: research

E-058 An alternative reduced dose regimen of ticagrelor for neuroendovascular patients
ConclusionA lower dose of ticagrelor (45 mg twice daily) appears to be a safe and effective in this small cohort of patients who are resistant to clopidogrel per P2Y12 testing and who have increased risk of ischemic or hemorrhagic strokes due to neurovascular pathologies and implants. Further randomized studies are required to confirm these findings.Disclosures S. Thind: None. R. Morsi: None. O. Kass-Hout: None. J. Stern: None. R. Tangonan: None. T. Kass-Hout: None. L. Guterman: None.
Source: Journal of NeuroInterventional Surgery - July 23, 2022 Category: Neurosurgery Authors: Thind, S., Morsi, R., Kass-Hout, O., Stern, J., Tangonan, R., Kass-Hout, T., Guterman, L. 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-152 Neurointervention in the pediatric population: 18-years experience from a single center
ConclusionsAt out institution, multidisciplinary interaction allowed the treatment of a wide variety of cerebrovascular diseases in the pediatric population. Pediatric patients carry high complication risks due to frequent presence of systemic conditions, but joined experience from pediatric neurology, neurosurgery and neurointervention departments allow their treatment with optimal planning and results.Abstract E-152 Table 1Intracranial aneurysms Variable Value Age at diagnosis, mean (SD) or median (IQR) 16 (16–19) Male:Female 12:10 Associated conditions•Moya moya•Connective tissue disorder•Von Wille...
Source: Journal of NeuroInterventional Surgery - July 23, 2022 Category: Neurosurgery Authors: Donnelly, B., Monteiro, A., Recker, M., Khawar, W., Waqas, M., Cappuzzo, J., Reynolds, R., Siddiqui, A., Levy, E. 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

O-052 The pennsylvania post-market multicenter experience with flow re-direction endoluminal device (FRED)
ConclusionThe results of the early post-market experience with the FRED device show reasonable safety and adequate aneurysmal occlusion rates comparable to other flow diverters. However, more extensive multicenter studies with more extended follow-up data are needed to assess the long-term safety and durability of the device.Abstract O-052 Table 1Baseline descriptive statistics Number of patients n=61 Gender Male 11 (18%) Female 50 (82%) Age (Years: median; IQR) 58 (51 – 68) Multiple Intracranial Aneurysms 21 (34.4%) Family history of aneurysms 9 (14.8%) Smoking History Never smokers 26 (42.6%) Past smokers 13 (21.3...
Source: Journal of NeuroInterventional Surgery - July 23, 2022 Category: Neurosurgery Authors: Salem, M., Kvint, S., Hendrix, P., Al Saiegh, F., Gajjar, A., Goren, O., Gross, B., Jabbour, P., Lang, M., Schirmer, C., Tjoumakaris, S., Griessenauer, C., Burkhardt, J. Tags: SNIS 19th annual meeting oral abstracts Source Type: research

P-007 Retained radial catheters associated with variant radial anatomy in neurointerventional procedures
ConclusionRetained catheters for neurointerventional procedures performed via TRA are rare. However, this complication may be associated with variant radial anatomy. With the increased use of TRA for neurointerventional procedures, awareness of anatomical abnormalities that may lead to a retained catheter is necessary. We propose a simple protocol to avoid catheter entrapment, including in emergent situations such as TRA for stroke thrombectomy.Abstract P-007 Figure 1Abstract P-007 Figure 2Disclosures J. Catapano: None. E. Winkler: None. V. Srinivasan: None. A. Jadhav: None. A. Ducruet: None. F. Albuquerque: None.
Source: Journal of NeuroInterventional Surgery - July 23, 2022 Category: Neurosurgery Authors: Catapano, J., Winkler, E., Srinivasan, V., Jadhav, A., Ducruet, A., Albuquerque, F. Tags: SNIS 19th annual meeting oral poster abstracts Source Type: research

E-058 Carotid artery stenting using balloon-guide catheter for proximal occlusion as distal embolic protection
ConclusionOur study indicates a low periprocedural ischemic stroke development following the use of proximal occlusion as the distal embolic protection strategy with BGC in CAS.Disclosures M. Nahhas: None. G. Meeks: None. G. Spiegel: None. Y. Alderazi: None. M. Dannenbaum: None. S. Sheth: None.
Source: Journal of NeuroInterventional Surgery - July 26, 2021 Category: Neurosurgery Authors: Nahhas, M., Meeks, G., Spiegel, G., Alderazi, Y., Dannenbaum, M., Sheth, S. Tags: Electronic poster abstracts Source Type: research

E-080 Switching from transfemoral to transradial access during neuroendovascular procedures: A single-center retrospective review of outcome and complications
ConclusionIn the experience of this single-center, the use of the transradial approach for neuroendovascular procedures seems to result in a relatively low rate of access complications and shifting access technique. Our results, while limited in the size of sample, contribute to the growing body of literature that sheds insight on the benefit of transradial access.Disclosures M. Taqi: None.
Source: Journal of NeuroInterventional Surgery - July 26, 2021 Category: Neurosurgery Authors: Taqi, M. Tags: Electronic poster abstracts Source Type: research

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