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O-035 Endovascular treatment of cerebral venous thrombosis involving the deep venous system
ConclusionsAlthough deep venous involvement of CVT is uncommon, these patients are at risk of quickly becoming critically ill with an elevated rate of death or dependency. Although these patients may develop stroke, hemorrhage, or neurologic decline prompting consideration of endovascular therapy, the deep cerebral venous system is not easily accessible with catheters due to small lumens and risk of perforation. It has been proposed that deep cerebral veins may have a higher chance of recanalization if venous thrombus burden is reduced in other parts of the dural venous sinuses. Current literature has not fully explored th...
Source: Journal of NeuroInterventional Surgery - July 30, 2023 Category: Neurosurgery Authors: Morel, B., Hoffman, J., Folzenlogen, Z., Roark, C., Seinfeld, J., Case, D. Tags: SNIS 20th annual meeting oral abstracts Source Type: research

E-020 Flow diversion for intracranial aneurysms: intracranial hemorrhage and thromboembolic complications in a multi-center cohort of 200 patients
ConclusionComplication rates in our study are comparable to previous reports, and our findings further support the general safety and efficacy of flow diversion. Despite a relatively large population, the low number of ICH and TE complications limit statistical significance. Further study of complications in more robust samples are needed. However, the descriptive understanding of these complications can help direction future investigations.Abstract E-020 Table 1ICH and TE Stratifications ICH Non-ICH p n=7 n=193 Hypertension 7 (100%) 97 (50.3%) 0.035 Currently Smoking 3 (42.9%) 28 (14.5%) 0.319 Mean Procedural Fluoroscopi...
Source: Journal of NeuroInterventional Surgery - July 30, 2023 Category: Neurosurgery Authors: Meister, R., Lesko, A., Marginean, H., Deshmukh, V. Tags: SNIS 20th annual meeting electronic poster abstracts Source Type: research

E-025 The rate and predictors of 30-day readmission in patients treated for cerebral aneurysms: a large single-center study
ConclusionIn our study, risk factors for 30-day readmission were increasing BMI, cancer, increasing aneurysm width, and anticoagulation use. Future studies should focus on aneurysm dimensions and the use of blood thinners as the literature pertaining these predictors is still scarce.Abstract E-025 Table 1 Variables N(%) 30-day Readmission 36 (6.6) Cause of Readmission: Infection Stroke Re-Rupture Wound Dehiscence Seizures CSF Leak Hydrocephalus Headache Wound Area Swelling Groin Hematoma Pseudo meningocele 9 (25)11 (30.6)1 (2.8)1 (2.8)1 (2.8)1 (2.8)1 (2.8)7 (19.4)2 (5.6)1 (2.8)1 (2.8) Causes and Rate of ReadmissionAbstrac...
Source: Journal of NeuroInterventional Surgery - July 30, 2023 Category: Neurosurgery Authors: El Naamani, K., Hunt, A., Jain, P., Lawall, C., Yudkoff, C., El Fadel, O., Ghanem, M., Momin, A., Atallah, E., Abbas, R., Zakar, R., Tjoumakaris, S., Gooch, M., Herial, N., Zarzour, H., Schmidt, R., Rosenwasser, R., Jabbour, P. Tags: SNIS 20th annual meeting electronic poster abstracts Source Type: research

E-060 Analysis of reported adverse events of flow-diverter stents for intracranial aneurysms using the FDA MAUDE database
ConclusionsPost-market surveillance is an important to guide patient counselling and identify adverse events and device problems that were not identified in initial trials. Although there are inherent limitations to the MAUDE database, our results highlight some important PR and DR complications that can help optimize patient counseling and management.Disclosures M. Porwal: None. G. SenthilKumar: None. D. Kumar: None. G. Sinson: None.
Source: Journal of NeuroInterventional Surgery - July 23, 2022 Category: Neurosurgery Authors: Porwal, M., SenthilKumar, G., Kumar, D., Sinson, G. Tags: SNIS 19th annual meeting electronic poster abstracts Source Type: research

E-132 A retrospective analysis of stroke code specificity in predicting acute ischemic events
ConclusionsThis retrospective analysis of stroke codes at MGUH during a 6-month period was 29% specific in predicting AIS. This is significantly lower than what was found in previous studies. Of stroke mimics, TME was the major etiology encompassing 43.6% of cases. The results of our study suggest additional stroke education may be needed for non-neurologists and ancillary staff to appropriately recognize stroke symptoms to better improve the utilization of hospital resources and provide appropriate and efficient care.Disclosures A. Mehta: None. J. Isaacson: None. N. Lightfoot: None. T. Kitani: None. F. Khan: None. T. Hash...
Source: Journal of NeuroInterventional Surgery - July 23, 2022 Category: Neurosurgery Authors: Mehta, A., Isaacson, J., Lightfoot, N., Kitani, T., Khan, F., Hashemzadeh, T., Dawson, K., Mayson, D., Stemer, A. 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

P-048 Safety and performance of the penumbra smart coil system for patients with posterior aneurysms
ConclusionThis subset analysis suggests that the SMART COIL System achieves adequate embolization in posterior circulation aneurysms with low retreatment rates over one year.Disclosures A. Spiotta: 1; C; Stryker, Penumbra, Medtronic. 2; C; Stryker, Penumbra, Terumo. C. Schirmer: None. B. Bohnstedt: None. R. Bellon: None. H. Hawk: None.
Source: Journal of NeuroInterventional Surgery - July 26, 2021 Category: Neurosurgery Authors: Spiotta, A., Schirmer, C., Bohnstedt, B., Bellon, R., Hawk, H. Tags: Oral 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

O-020 Treatment of intracranial aneurysms with pipelinetm flex embolization device with shield technologytm : angiographic and safety outcomes at 1 year follow-up
Conclusions The PFLEX study is the first prospective study to evaluate the use of the Pipeline Shield device. The results from the study are comparable to previously published results with the earlier generation devices, and demonstrate that the Pipeline Shield device is safe and effective for treatment of intracranial aneurysms. Disclosures M. Martínez-galdámez: 2; C; Proctor and consultant for Medtronic. S. Lamin: 2; C; Proctor and consultant for Medtronic. K. Lagios: None. T. Liebig: 2; C; previously consulted and proctored for Covidien, Stryker, and MicroVention, and currently serves as a proctor and co...
Source: Journal of NeuroInterventional Surgery - July 23, 2017 Category: Neurosurgery Authors: MartInez-GaldAmez, M., Lamin, S., Lagios, K., Liebig, T., Ciceri, E., Chapot, R., Stockx, L., Chavda, S., Kabbasch, C., Farago, G., Nordmeyer, H., Boulanger, T., Piano, M., Boccardi, E. Tags: Oral Abstracts Source Type: research

E-080 Endovascular stenting for idiopathic intracranial hypertension: a single-institution experience
Conclusion IIH is an uncommon condition with presenting symptoms that are relatively nonspecific. Though medical therapy is first-line, an important subset of patients who experience IIH secondary to dural sinus stenosis are commonly refractory to medications alone. DSS is becoming a more commonly used therapy for treatment of this subpopulation. This study demonstrates that stenting is an effective procedure that can be performed with good technical success and minimal complications in specialized high volume stroke centers. Further research comparing DSS to ONSF and CSF shunting is required to determine the relative effi...
Source: Journal of NeuroInterventional Surgery - July 23, 2017 Category: Neurosurgery Authors: Leonard, D., Haider, A., Thakur, R., Gottlich, C., Khan, U., Hise, J., Layton, K. Tags: Electronic Poster Abstracts Source Type: research

P-021 Very Delayed Monocular Blindness Following Flow Diversion Treatment of Ophthalmic Artery Aneurysm
ConclusionMonocular vision loss remains a risk, even months to years following flow diversion of ICA aneurysms. Long term clinical follow-up is necessary to define the incidence of this complication.Abstract P-021 Figure 1DisclosuresT. Higashimori: None. D. Sandhu: None. J. Kim: None. A. Grande: None. M. Ezzeddine: None. R. Tummala: None. B. Jagadeesan: None.
Source: Journal of NeuroInterventional Surgery - July 28, 2016 Category: Neurosurgery Authors: Higashimori, T., Sandhu, D., Kim, J., Grande, A., Ezzeddine, M., Tummala, R., Jagadeesan, B. Tags: Oral poster abstracts Source Type: research

Patient-reported outcome measures for patients with cerebral aneurysms acquired via social media: data from a large nationwide sample
Conclusions Despite this novel study design, we obtained results comparable to prior studies. These results suggest that many patients with ruptured cerebral aneurysms, regardless of whether they are >2 years after the event and/or free of physical impairment, struggle with a poor quality of life. The latency, scale, and low cost of this study design may accelerate future cerebral aneurysm PROM research.
Source: Journal of NeuroInterventional Surgery - December 13, 2015 Category: Neurosurgery Authors: Chen, M., Mangubat, E., Ouyang, B. Tags: Hemorrhagic stroke Source Type: research

E-007 Unusual Two Cases of Dissecting Cervical Internal Carotid Artery Pseudo-aneurysm with Symptomatic Intracranial Aneurysm
Conclusions In the evaluation of suspected intracranial aneurysm who present with headache with neck pain, a catheter cerebral angiogram not only will clearly define the correct morphology of intracranial aneurysm but also will appropriately identify the presence of life threatening cervical ICA abnormalities. Additionally, presence of an unusual cervical ICA anatomy with DP may warrant further evaluation of intracranial blood vessel of same territory. Using endovascular strategies, both extracranial and intracranial DP could be treated. However, long-term follow-up and outcome is unknown. Further studies are required. Di...
Source: Journal of NeuroInterventional Surgery - July 26, 2014 Category: Neurosurgery Authors: Lodi, Y., Reddy, V., Devasenapathy, A., Chou, J., Shehades, K., Sethi, K., Galyon, D., Bajwa, S. Tags: Electronic poster abstracts Source Type: research