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P012/110 Flow diversion in a giant fusiform M2 aneurysm: very delayed parent vessel occlusion and post-thrombectomy re-in-stent thrombosis
ConclusionVery delayed in-stent thrombosis and subsequent parent vessel occlusion can occur after flow diversion procedures.Disclosure of InterestAK: Nothing to discloseMB: Consultant for Microvention, Cerenovus, Acandis, and RapidJF: The Co-author reports personal fees from Consultant for Acandis, Cerenovus, Medtronic, Microvention, Phenox, Penumbra, Roche, Tonbridge outside of the submitted work. He is a member of the Executive Board of the scientific societies DGNR and the President of ESMINT and holds Stock in Vastrax LLC and Tegus.
Source: Journal of NeuroInterventional Surgery - August 21, 2023 Category: Neurosurgery Authors: Kyselyova, A. A., Fiehler, J., Bester, M. Tags: 4.3 CASE PROPOSAL - Acute ischemic stroke Source Type: research

P013/117 A case of delayed post-hypoxic leukoencephalopathy after ischemic stroke
ConclusionThis case illustrates that the manifestation of clinical symptoms and morphological alterations observed on MRI, indicative of DPHL, may not exclusively result from global hypoxia. Rather, such changes can also manifest in patients with a large vessel occlusion within the corresponding vascular territories.Disclosure of InterestNothing to disclose
Source: Journal of NeuroInterventional Surgery - August 21, 2023 Category: Neurosurgery Authors: Park, S., Kwon, B., Song, Y., Lee, D. H. Tags: 4.3 CASE PROPOSAL - Acute ischemic stroke Source Type: research

P014/130 Treatment of recurrent intracranial atherosclerotic disease-related stroke due to in-stent thrombosis with the CREDO(R) heal stent: A case report
ConclusionThis case highlights that re-stenting a recurrent ICAD-related stroke using the CREDO® heal stent is technically feasible, safe, and may improve clinical outcomes.Disclosure of InterestNothing to disclose.
Source: Journal of NeuroInterventional Surgery - August 21, 2023 Category: Neurosurgery Authors: Nguyen, A., Schulze-Zachau, V., Psychogios, M. Tags: 4.3 CASE PROPOSAL - Acute ischemic stroke Source Type: research

E-132 Successful mechanical thrombectomy in an 11-year-old patient with emergent large vessel occlusion acute ischemic stroke related to congenital complete heart block and recent covid-19 infection
ConclusionsThis is a first known report of a successful mechanical thrombectomy in a pediatric patient due to a large vessel occlusion related to congenital complete heart block and recent COVID-19 infection.Disclosures J. Ansari: None. D. Mata Canadas: None. M. Ayub: None. J. Caskey: None. P. Simoncini: None. R. Riel-Romero: None. P. Sharma: None. D. Jordan: None. H. Cuellar: None.
Source: Journal of NeuroInterventional Surgery - July 30, 2023 Category: Neurosurgery Authors: Ansari, J., Mata Canadas, D., Ayub, M., Caskey, J., Simoncini, P., Riel-Romero, R., Sharma, P., Jordan, D., Cuellar, H. Tags: SNIS 20th annual meeting electronic poster abstracts Source Type: research

P-004 Outcomes Stratified by nature of deficits at presentation (Disabling versus Non-disabling) in low NIHSS LVO patients undergoing mechanical thrombectomy
ConclusionsOur retrospective study demonstrates a trend towards better functional outcomes in LVO patients with low NIHSS who were considered to have disabling deficits compared to those with non-disabling presenting symptoms. Future multicenter studies with a larger sample size and/or ongoing randomized trials for this subpopulation of LVO patients should examine this hypothesis further.Disclosures N. Goyal: None. J. Sequeiros: None. B. Krishnaiah: None. C. Elangovan: None. S. Graham: None. D. Hoit: None. L. Elijovich: None. A. Arthur: None. V. Inoa: None.
Source: Journal of NeuroInterventional Surgery - July 30, 2023 Category: Neurosurgery Authors: Goyal, N., Sequeiros, J., Krishnaiah, B., Elangovan, C., Graham, S., Hoit, D., Elijovich, L., Arthur, A., Inoa, V. Tags: SNIS 20th annual meeting oral poster abstracts Source Type: research

E-049 Complications of middle meningeal artery embolization - a systematic review
ConclusionThe published literature suggests that MMA embolization is a generally well-tolerated procedure, but with a low risk of significant complications, including, but not limited to stroke, seizures, visual obscurations, and facial palsy. Further studies and sub-analyses are needed to fully characterize the incidence of such complications.Disclosures J. Gerstl: None. M. Shafi: None. S. Badikol: None. N. Nawabi: None. R. Mekary: None. M. Sukumaran: None. A. Kappel: None. A. Feroze: None. T. Smith: None. M. Aziz-Sultan: None.
Source: Journal of NeuroInterventional Surgery - July 30, 2023 Category: Neurosurgery Authors: Gerstl, J., Shafi, M., Badikol, S., Nawabi, N., Mekary, R., Sukumaran, M., Kappel, A., Feroze, A., Smith, T., Aziz-Sultan, M. Tags: SNIS 20th annual meeting electronic poster abstracts Source Type: research

P51 Case report of P1 segment occlusion with unilateral origin of posterior thalamoperforatoring arteries: the importance of basilar tip anatomy
ConclusionThis case highlights the importance of detection and treatment of a P1 occlusion, especially with unilateral origin of posterior thalamoperforating arteries, regardless of a dominant posterior communicating artery.
Source: Journal of NeuroInterventional Surgery - August 29, 2022 Category: Neurosurgery Authors: Pinto, E., Carneiro, A. Tags: 14th Congress of the European Society of Minimally Invasive Neurological Therapy 2022 Meeting 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-125 Gaze weakness neglect and speech (GWNS): an acute ischemic stroke scale of large vessel occlusion (LVO) in the emergency department for faster treatment
ConclusionsGWNS is an AISS of LVO which could be performed rapidly in ER. GWNS score 3 and 4 are associated with LVO, especially when gage deviation/preference are present. Additionally, GWNS scale was superior to NIHSS to detect LVO. Therefore, patients with AIS with GWNS score 3 or 4 could be directly send for early MT which will save time and millions of brain cells. Further studies are needed and we are moving to direct GWNS to thrombectomy without CTA in our next phase.Disclosures Y. Lodi: None. R. Pande: None. I. Khan: None.
Source: Journal of NeuroInterventional Surgery - July 23, 2022 Category: Neurosurgery Authors: Lodi, Y., Pande, R., Khan, I. Tags: SNIS 19th annual meeting electronic poster abstracts Source Type: research

O-020 The tigertriever 13 distals study: distal ischemic stroke treatment with adjustable low-profile stentriever
ConclusionThe TIGERTRIEVER 13 device with operator controllability and high fluoroscopy visibility and its small size can potentially provide a safe and effective clot removal in patients with distal vessels occlusion.Disclosures D. Fiorella: 1; C; Rapid Medical. R. Gupta: None. R. Chapot: None. J. Saver: None.
Source: Journal of NeuroInterventional Surgery - July 23, 2022 Category: Neurosurgery Authors: Fiorella, D., Gupta, R., Chapot, R., Saver, J. Tags: SNIS 19th annual meeting oral abstracts Source Type: research

E-235 Automated quantification of arcuate, superior longitudinal, and inferior longitudinal fasciculi using diffusion tensor tractography correlates with speech function in post-thrombectomy stroke patients
ConclusionFor left-sided MCA occlusions, TICI scores were well correlated with increased arcuate and superior longitudinal fasciculi tract counts after MT. After recanalization of the left MCA, increased number of arcuate, superior longitudinal, and inferior longitudinal fasciculi tracts is associated with improved speech function measured by the WAB test. These two findings were not apparent in right-sided MCA occlusions, perhaps due to the minimal role of the right cerebral hemisphere in speech. Tract count analysis of the arcuate, superior longitudinal, and inferior longitudinal fasciculi for either right- or left-MCA o...
Source: Journal of NeuroInterventional Surgery - July 23, 2022 Category: Neurosurgery Authors: Abraham, B., Cunningham, C., Jaquish, R., Tobin, M., Limaye, K., Bohnstedt, B. Tags: SNIS 19th annual meeting electronic 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

Performance of the vision, aphasia, neglect (VAN) assessment within a single large EMS system
Conclusions Among suspected stroke patients, we found modest sensitivity and specificity of VAN to detect LVO for both EMS and ED providers. Moreover, the low PPV in our study suggests a significant number of patients with non-LVO ischemic stroke or ICH could be over-triaged with VAN.
Source: Journal of NeuroInterventional Surgery - March 18, 2022 Category: Neurosurgery Authors: Patel, M. D., Thompson, J., Cabanas, J. G., Williams, J. G., Lewis, E., Bachman, M., Al Masry, M., LaVigne, C., Morantes, L., Becske, T., Kass-Hout, O. Tags: Ischemic stroke Source Type: research

Monitored anesthesia care during mechanical thrombectomy for stroke: need for data-driven and individualized decisions
Conclusions Our study showed that the overall rate of conversion from MAC to GA during MT was low (1.6%) and, while higher in posterior circulation strokes, it was not predicted by either hemispheric dominance or stroke severity. Caution should be given before changing clinical practice during moments of crisis.
Source: Journal of NeuroInterventional Surgery - November 18, 2021 Category: Neurosurgery Authors: Nogueira, R. G., Mohammaden, M. H., Moran, T. P., Whalin, M. K., Gershon, R. Y., Al-Bayati, A. R. R., Ratcliff, J., Pisani, L., Liberato, B., Bhatt, N., Frankel, M. R., Haussen, D. C. Tags: Ischemic stroke, COVID-19 Source Type: research

EP65 Mechanical thrombectomies, initial experiences from Kosovo Case series presentation
ConclusionEndovascular treatment has proven to be safe and efficacious for AIS. Our patients recovered and were discharged within 7–11 days after ictus.mRS after 90 days 0 at two (male) patients,mRS 1 at two patients and one patient is mRS 3.These case series demonstrate the clinical efficacy, safety, and favorable clinical outcome of first mechanical thrombectomies performed in Kosovo.ReferencesHeider D, Simgen A, Wagenpfeil G, et al. Why we fail: mechanisms and co-factors of unsuccessful thrombectomy in acute ischemic stroke. Neurological Sciences 2020.Meyer L, Alexandrou M, Leischner H, Flottmann F, Deb-Chatterji ...
Source: Journal of NeuroInterventional Surgery - August 24, 2021 Category: Neurosurgery Authors: Gjikolli, B., Kalousek, V., Culo, B., Murati, M., Bejta, I., Shatri, J., Shala, N., Dedushi, K., Jashari, F., Pasha, F., Komoni, E., Boshnjaku, D., Myftiu, B., Jaha, L., Kuci, A., Miftari, R., Govori, V., Bulja, D., Vegar, S. Tags: Treatment Source Type: research

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