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Treatment of ruptured blood blister-like aneurysms with flow diverter SILK stents
Conclusions Implantation of flow diverter stents seems to be a safe and feasible alternative for treatment of ruptured BBAs.
Source: Journal of NeuroInterventional Surgery - February 12, 2015 Category: Neurosurgery Authors: Aydin, K., Arat, A., Sencer, S., Hakyemez, B., Barburoglu, M., Sencer, A., Izgi, N. Tags: Hemorrhagic stroke Source Type: research

A novel model of large vessel ischemic stroke in rabbits: microcatheter occlusion of the posterior cerebral artery
Conclusions Image-guided microcatheter induction of PCA occlusion in rabbits can consistently produce time-dependent infarction of cortical and subcortical structures that is reliably detected by diffusion-weighted MRI, and thus may be a useful model for therapeutic studies in acute ischemic stroke.
Source: Journal of NeuroInterventional Surgery - April 13, 2015 Category: Neurosurgery Authors: English, J. D., Hetts, S. W., El-Ali, A., Kolli, P., Do, L., Wilson, M. W., Saeed, M. Tags: Basic science Source Type: research

Posterior circulation flow diversion: a single-center experience and literature review
Conclusions Flow diversion may be a possible treatment in carefully selected patients with high-risk atypical posterior circulation aneurysms, with poor natural history and no optimal treatment strategy. Symptomatic and fusiform large aneurysms appear to carry the highest risk. Further studies are necessary to assess the role of flow diversion in the posterior circulation.
Source: Journal of NeuroInterventional Surgery - July 14, 2015 Category: Neurosurgery Authors: Toth, G., Bain, M., Hussain, M. S., Moskowitz, S., Masaryk, T., Rasmussen, P., Hui, F. Tags: Hemorrhagic stroke Source Type: research

E-003 delayed reocclusion of recanalized intracranial arteries after mechanical thrombectomy in acute stroke patients
ConclusionsWe reviewed these patients and found that delayed reocclusion of recanalized vessels were noted within 24 h after first mechanical thrombectomy. The factors contributed to these results are assumed as TICI grade before and after the first mechanical thrombectomy. But, further evaluation of factors such as NIHSS score, underlying disease, laboratory findings and follow-up angiogram are needed. Also, procedural complications as vasospasm, dissection and hemorrhage should be investigated.DisclosuresK. Jang: None. S. Park: None. D. Jang: None. B. Moon: None. Y. Han: None. Y. Park: None.
Source: Journal of NeuroInterventional Surgery - July 26, 2015 Category: Neurosurgery Authors: Jang, K., Park, S., Jang, D., Moon, B., Han, Y., Park, Y. Tags: SNIS 12th Annual Meeting Electronic Poster Abstracts Source Type: research

E-033 variety of clot types and their implication on technique during endovascular stroke therapy
ConclusionOur data indicate that thrombectomy with a stent-retriever and balloon guide system provides the best opportunity for good outcomes. Because of the risks of shearing off part or all of a clot when aspirating an oversized thrombus into an intermediate catheter and further retrieving against the flow in the internal carotid, our strategy is to use intermediate catheters in conjunction with a balloon guide whenever possible to achieve flow-arrest. We did not have a large enough sample size to draw conclusions about the impact of technique on the number of passes. Further evaluation of how to optimize techniques in d...
Source: Journal of NeuroInterventional Surgery - July 26, 2015 Category: Neurosurgery Authors: Andersson, T. Tags: SNIS 12th Annual Meeting Electronic Poster Abstracts Source Type: research

Comparative outcomes of carotid artery stenting for asymptomatic and symptomatic carotid artery stenosis: a single-center prospective study
Conclusions Periprocedural and long-term follow-up outcomes of CAS appear similar for ACS and SCS.
Source: Journal of NeuroInterventional Surgery - January 13, 2016 Category: Neurosurgery Authors: Mo, D., Wang, B., Ma, N., Gao, F., Miao, Z. Tags: Ischemic stroke Source Type: research

Stent retriever thrombectomy with the Cover accessory device versus proximal protection with a balloon guide catheter: in vitro stroke model comparison
Conclusions Application of the Cover device in this experimental model resulted in higher successful recanalization rates, no embolic events, and was more effective than use of the conventional guide catheter or BGC.
Source: Journal of NeuroInterventional Surgery - March 15, 2016 Category: Neurosurgery Authors: Mokin, M., Setlur Nagesh, S. V., Ionita, C. N., Mocco, J., Siddiqui, A. H. Tags: Basic science, Ischemic stroke Source Type: research

E-025 First Reported Case of Mechanical Thrombectomy for Acute Ischemic Stroke in an Individual with a Total Artificial Heart
ConclusionEVT has been proven to be safe and efficacious for AIS. Prior reports have demonstrated benefit for patients with concurrent mechanical circulatory support devices; however, our report is the first case demonstrating efficacy with a TAH device. Presence of mechanical circulatory support devices should not exclude EVT in individuals with AIS.DisclosuresM. Nezhad: None. P. Eboli: None. M. Austin: None. K. Schlick: None. M. Alexander: None.
Source: Journal of NeuroInterventional Surgery - July 28, 2016 Category: Neurosurgery Authors: Nezhad, M., Eboli, P., Austin, M., Schlick, K., Alexander, M. Tags: Electronic poster abstracts Source Type: research

Experimental evaluation of stent retrievers mechanical properties and effectiveness
Conclusions None of the tested devices were effective in removing white clots of large diameter (≥6 mm). Constant radial force during retrieval allows constant cohesion to the vessel wall and pressure over the clot; such features allow for a higher rate of clot removal.
Source: Journal of NeuroInterventional Surgery - February 13, 2017 Category: Neurosurgery Authors: Machi, P., Jourdan, F., Ambard, D., Reynaud, C., Lobotesis, K., Sanchez, M., Bonafe, A., Costalat, V. Tags: Open access, Ischemic stroke Source Type: research

Successful recanalization in acute basilar artery occlusion treated with endovascular therapy is independent of thrombus length
Conclusions Successful recanalization does not depend on thrombus length in patients with BAO treated with EVT. Recanalization can therefore be achieved despite high clot burden. Additionally, a high density of thrombi was a strong predictor of a favorable outcome.
Source: Journal of NeuroInterventional Surgery - October 13, 2017 Category: Neurosurgery Authors: Shu, L., Riedel, C., Meyne, J., Jansen, O., Jensen-Kondering, U. Tags: Ischemic stroke Source Type: research

Endovascular mechanical thrombectomy for cerebral venous sinus thrombosis: a systematic review
Conclusions EMT is an effective salvage therapy for refractory CVST, with a reasonable safety profile. Chemical thrombolysis, in conjunction with EMT, did not appear to result in additional harm or benefit. Further analysis is warranted to determine predictors of success after EMT for CVST.
Source: Journal of NeuroInterventional Surgery - October 13, 2017 Category: Neurosurgery Authors: Ilyas, A., Chen, C.-J., Raper, D. M., Ding, D., Buell, T., Mastorakos, P., Liu, K. C. Tags: Ischemic stroke Source Type: research

E-018 Post endovascular treatment of acute vertebro-basilar stroke: anticoagulation versus antiplatelet therapy
Conclusion Preliminary analysis of this ongoing systematic review did not show any differences in outcome or hemorrhagic complications in patients with AVBS on APT versus ACT post intervention. Either modality of treatment was superior to no treatment with a higher risk of hemorrhagic complications. Disclosures M. Weber: None. N. Khan: None. F. Siddiqui: None. J. Blessman: None. A. Elias: None.
Source: Journal of NeuroInterventional Surgery - July 23, 2017 Category: Neurosurgery Authors: Weber, M., Khan, N., Siddiqui, F., Blessman, J., Elias, A. Tags: Electronic Poster Abstracts Source Type: research

EP63 The TAPAS study: thrombectomy aspiration post-market study in acute stroke
ConclusionThe Q Catheter showed good deliverability and revascularization rates in this real-world setting with no safety concerns.ReferenceLong TD, Kallmes DF, Hanel R, Shigematsu T, Halaszyn AM, Wolter J, Berenstein A. Novel aspiration catheter design for acute stroke thrombectomy. J Neurointerv Surg 2019 Feb;11(2):190–195.DisclosureConsultant MIVI Neuroscience, Inc.
Source: Journal of NeuroInterventional Surgery - August 24, 2021 Category: Neurosurgery Authors: Ballenilla Marco, F., Espinosa, M., Zamarro, J., Masso, J., Garmendia, E., Pumar, J., Larrea, J., Mosqueira, A. Tags: Treatment Source Type: research

O-019 Increasing inner diameter leads to faster thrombectomy with aspiration in acute ischemic stroke
ConclusionThis multicenter, consecutive real-world experience demonstrates that M1 thrombectomy with a larger distal ID catheter is associated with faster time to recanalization and higher rate of TICI 2C or better recanalization on first pass, but also with a higher rate of hemorrhage on follow up imaging.Disclosures J. Vargas: 2; C; Cerenovus. 4; C; Truvic. S. Majidi: None. G. Cortez: None. A. Aghaebrahmin: None. E. Sauvageau: None. R. Hanel: 1; C; Microvention, Stryker. 2; C; Stryker, Medtronic, Cerenovus, Balt, Q’APel. 4; C; Rist. 6; C; MiVI. H. Hawk: None. S. Nimjee: None. A. Zakeri: None. M. Mokin: 2; C; Medtro...
Source: Journal of NeuroInterventional Surgery - July 26, 2021 Category: Neurosurgery Authors: Vargas, J., Majidi, S., Cortez, G., Aghaebrahmin, A., Sauvageau, E., Hanel, R., Hawk, H., Nimjee, S., Zakeri, A., Mokin, M., Chen, C., Kellogg, R., Turk, A., Deleacy, R., Siddiqui, A., Oselkin, M., Marlin, E., TUrner, R., Chaudry, I., Milburn, J. Tags: Oral abstracts Source Type: research

P-014 Reperfusion catheter malfunction during stroke intervention: an analytical review of the FDAs maude database
ConclusionReperfusion catheter failures resulting in injury or death are rare. These findings suggest that current methods of FDA surveillance have effectively identified outliers.Disclosures D. Bageac: None. B. Gershon: None. R. De Leacy: None.
Source: Journal of NeuroInterventional Surgery - July 26, 2021 Category: Neurosurgery Authors: Bageac, D., Gershon, B., De Leacy, R. Tags: Oral poster abstracts Source Type: research

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