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Endovascular recanalization of complete subacute to chronic atherosclerotic occlusions of intracranial arteries
Conclusions Endovascular recanalization can be performed with an acceptable safety profile in selected patients with symptomatic complete subacute to chronic intracranial atherosclerotic occlusion. Additional studies are warranted to investigate whether this treatment compares favorably with best medical management.
Source: Journal of NeuroInterventional Surgery - October 7, 2014 Category: Neurosurgery Authors: Aghaebrahim, A., Jovin, T., Jadhav, A. P., Noorian, A., Gupta, R., Nogueira, R. G. Tags: Editor''s choice, Ischemic stroke Source Type: research

Multicenter assessment of morbidity associated with cerebral arteriovenous malformation hemorrhages
Conclusions The morbidity associated with cerebral AVM rupture appeared to be higher in our study than previously reported. Morbidity from AVM rupture should be considered as an important factor, together with variables such as risk of AVM rupture and procedural risk, in determining the optimal treatment strategy for unruptured cerebral AVMs.
Source: Journal of NeuroInterventional Surgery - June 16, 2017 Category: Neurosurgery Authors: Fukuda, K., Majumdar, M., Masoud, H., Nguyen, T., Honarmand, A., Shaibani, A., Ansari, S., Tan, L. A., Chen, M. Tags: Hemorrhagic stroke Source Type: research

E-008 Variation in subarachnoid hemorrhage presentation and demographics in California during the COVID-19 pandemic: A UC stroke consortium study
ConclusionsCOVID19(+) patients presenting with SAH were younger than COVID(-) controls, and there was a trend toward underrepresentation of Hispanic patients in the COVID(+) group. Recognizing COVID19 status as a factor in SAH presentation is important to mitigate healthcare disparities in California.Disclosures A. Gautam: None. T. Caton: None. K. Narsinh: None. A. Baker: None. S. Hetts: None. D. Cooke: None.
Source: Journal of NeuroInterventional Surgery - July 26, 2021 Category: Neurosurgery Authors: Gautam, A., Caton, T., Narsinh, K., Baker, A., Hetts, S., Cooke, D. Tags: Electronic poster abstracts Source Type: research

E-219 Direct vs indirect revascularization for moyamoya: a large multicenter study
ConclusionSince both modalities showed comparable rates of overall total strokes, both modalities of revascularization can be performed depending on the patient’s risk assessment.Abstract E-219 Table 1Direct Indirect Effect variable Value (95% confidence interval) P-value Primary Outcome Symptomatic stroke, n (%) 23/198 (11.6) 19/198 (9.6) Odds ratio 1.238 (0.651 - 2.354) 0.514 Secondary Outcomes Symptomatic ischemic stroke, n (%) 23/198 (11.6) 16/198 (8.1) Odds ratio 1.495 (0.764 - 2.924) 0.240 Symptomatic hemorrhagic stroke, n (%) 0/198 (0) 3/198 (1.5) –– –– 0.248 Peri-operative stroke,...
Source: Journal of NeuroInterventional Surgery - July 30, 2023 Category: Neurosurgery Authors: El Naamani, K., Chen, C., Jabre, R., Saad, H., Grissberg, J., Dmytriw, A., Patel, A., Khorasanizadeh, M., Ogilvy, C., Thomas, A., Monteiro, A., Siddiqui, A., Cortez, G., Hanel, R., Porto, G., Spiotta, A., Piscopo, A., Hasan, D., Ghorbani, M., Weinberg, J. Tags: SNIS 20th annual meeting electronic poster abstracts Source Type: research

E-138 Intracerebral hemorrhage in patients transferred for mechanical thrombectomy
ConclusionsIn a large series of stroke patients being specifically transferred for mechanical thrombectomy, the rate of ICH on arrival to the thrombectomy hospital was 1.2%. In less than 50% of those cases the decision to forgo intervention was related to the ICH finding. The results of our study adds to the concerns that repeat imaging delays treatment by demonstrating that the incidence of ICH is low, which may warrant reconsideration of current stroke workflows for large vessel occlusion transfers.Disclosures Y. Radaideh: None. K. Joshi: None. M. Chen: None.
Source: Journal of NeuroInterventional Surgery - July 23, 2022 Category: Neurosurgery Authors: Radaideh, Y., Joshi, K., Chen, M. Tags: SNIS 19th annual meeting electronic poster abstracts Source Type: research

E-050 last chance carotid stenting: treatment and outcomes of carotid artery stenting in very high risk patients
ConclusionsOur study indicates that CAS can be safely performed in patients considered too high-risk for CEA and who were referred to our center as such by their physicians.DisclosuresJ. Lozano: None. F. Massari: None. C. Brooks: None. M. Perras: None. M. Howk: None. M. Gounis: 1; C; NIH, Philips Healthcare, Covidien/eV3 Neurovascular, Codman Neurovascular, Stryker Neurovascular, Wyss Institute, Tay Sachs Foundation. 2; C; Stryker Neurovascular. N. Henninger: None. A. Wakhloo: 1; C; Phillips Healthcare Medical. 2; C; Stryker. 3; C; Harvard Postgraduate Course, Miami Baptist Vascular Institute. A. Puri: 1; C; Stryker. 2; C; Codman, Covidien.
Source: Journal of NeuroInterventional Surgery - July 26, 2015 Category: Neurosurgery Authors: Lozano, J., Massari, F., Brooks, C., Perras, M., Howk, M., Gounis, M., Henninger, N., Wakhloo, A., Puri, A. Tags: SNIS 12th Annual Meeting Electronic Poster Abstracts Source Type: research

E-083 Safety and efficacy of xact stent in tandem internal carotid artery and intracranial large vessel occlusion
ConclusionsThe Xact carotid stent is safe and efficacious in the treatment of tandem ICA/ICAO lesions. Larger prospective trials are needed to help confirm our retrospective findings.Disclosures M. Oliver: None. G. Dawod: None. S. Zaidi: None. M. Jumaa: None.
Source: Journal of NeuroInterventional Surgery - July 26, 2021 Category: Neurosurgery Authors: Oliver, M., Dawod, G., Zaidi, S., Jumaa, M. Tags: Electronic poster abstracts Source Type: research

E-159 Neurointervention on distal MCA occlusions: a multi-center study demonstrating safety and efficacy
ConclusionNeurointervention in distal MCA strokes may be effective. Further prospective, randomized studies in larger cohorts are necessary to compare the efficacy and safety of this technique to other medical treatments of distal MCA strokes.Abstract E-159 Table 1Baseline Characteristics – Summary Statisticsn=228 Baseline ASPECTS 24h ASPECTS Age (mean, sd) 71.46, 14.62 0–5 2 10 Female (%) 115 (50.44%) 6–7 17 15 Location 8 22 13 L M2 122 9 57 22 L M3 21 10 96 13 R M2 81 Baseline NIHSS 24h NIHSS R M3 5 0–4 19 77 Baseline mRS (breakdown) 90 day mRS 5–8 50 28 mRS = 0 132 23 9–12 39 33 mR...
Source: Journal of NeuroInterventional Surgery - July 23, 2022 Category: Neurosurgery Authors: Siddiqui, N., De Leacy, R. Tags: SNIS 19th annual meeting electronic poster abstracts Source Type: research

E-039 Comparison of predictive grading systems for procedural risk in endovascular treatment of brain arteriovenous malformations - analysis of 104 consecutive patients
Conclusion Our independent analysis of 104 patients with brain AVMs treated with endovascular embolization validates the predictive capacity of the Buffalo score, but not AVMN or SM grades, for endovascular embolization procedural risk. This will allow for better stratification of brain AVM patients by procedural risk, and will ultimately result in safer care of these patients. Complications(n=25) No complications(n=79) P-value Age ± SD 46.0±16.9 42.3±15.9 0.33 Female gender, N (%) 7 (28) 38 (48) 0.12 Left side, N (%) 14 (56) 41 (52) 0.90 Spetzler-Martin grade, median (IQR) 3 (2–3) 2 (2–...
Source: Journal of NeuroInterventional Surgery - July 23, 2017 Category: Neurosurgery Authors: Pulli, B., Stapleton, C., Koch, M., Patel, A. Tags: Electronic Poster Abstracts Source Type: research

O-005 Comparison of on-label versus off-label treatment of intracranial aneurysms with the pipeline embolization devices
ConclusionIn real-world practice, off-label uses of PED can achieve similar safety and efficacy to on-label uses, though there may be a slightly higher rate of ischemic complications in off-label uses. Expert judgment is a useful supplement to official guidelines when assessing reasonable PED use beyond its approved indications.Disclosures S. Cler: None. D. Lauzier: None. A. Kansagra: 2; C; Penumbra, Microvention, iSchemaView.
Source: Journal of NeuroInterventional Surgery - July 26, 2021 Category: Neurosurgery Authors: Cler, S., Lauzier, D., Kansagra, A. Tags: Oral abstracts Source Type: research

E-085 Interventional and diagnostic neuroradiology fellowship education in the COVID-19 era
ConclusionElective neurointerventional case numbers decreased as a result of the COVID-19 pandemic, particularly impacting the fourth quarter of the 2019-2020 academic year (April - June). Similarly, there was a sizable decrease in diagnostic neuroradiology case volume during this same time period. The decrease in procedural and diagnostic neuroradiology cases raised concerns regarding the educational experience for both diagnostic and neurointerventional radiology fellows. However, as a result of decreased case volume, fellowship education was rapidly augmented with a wide variety of online webinars, lectures, case confer...
Source: Journal of NeuroInterventional Surgery - July 26, 2021 Category: Neurosurgery Authors: Wilseck, Z., Bamezai, S., Novakovic, N., Copelan, A., Wilseck, J., Srinivasan, A., Pandey, A., Thompson, G., Gemmete, J., Chaudhary, N. Tags: Electronic poster abstracts Source Type: research

E-115 Identifying cognitive dysfunction after aneurysmal subarachnoid hemorrhage
ConclusionA brief, peer-led education session on cognitive dysfunction after aSAH improves knowledge of the problem and current recommendations in the literature for cognitive dysfunction after aSAH. Ongoing research is necessary to understand whether the education session and observed positive knowledge change translate to a change in practice and compliance with evidence-based recommendations for cognitive dysfunction screening after aSAH.Disclosures N. Hall: None. R. Chitale: None. M. Fusco: None. M. Froehler: None.
Source: Journal of NeuroInterventional Surgery - July 26, 2021 Category: Neurosurgery Authors: Hall, N., Chitale, R., Fusco, M., Froehler, M. Tags: Electronic poster abstracts Source Type: research

Mortality after treatment of intracranial aneurysms with the Pipeline Embolization Device
Conclusions Delayed aneurysm rupture, distal intraparenchymal hemorrhage, and neurological compression were the main causes of mortality in patients with intracranial aneurysms treated with the PED. Large basilar aneurysms are associated with an increased risk of postoperative death and require increased attention and caution.
Source: Journal of NeuroInterventional Surgery - January 18, 2022 Category: Neurosurgery Authors: Kang, H., Luo, B., Liu, J., Zhang, H., Li, T., Song, D., Zhao, Y., Guan, S., Maimaitili, A., Wang, Y., Feng, W., Wang, Y., Wan, J., Mao, G., Shi, H., Wang, K., Yang, X. Tags: Hemorrhagic stroke Source Type: research

Outcomes of endovascular thrombectomy in patients selected by computed tomography perfusion imaging - a matched cohort study comparing nonagenarians to younger patients
Conclusions Nonagenarians were noted to have greater mortality and sICH rates following EVT compared with matched younger patients, which may be ameliorated by selecting patients with smaller CTP core volumes. Nonagenarians undergoing EVT had similar rates of successful reperfusion and functional independence compared with the younger cohort.
Source: Journal of NeuroInterventional Surgery - July 14, 2022 Category: Neurosurgery Authors: Rahangdale, R., Hackett, C. T., Cerejo, R., Fuller, N. M., Malhotra, K., Williamson, R., Hentosz, T., Tayal, A. H., Rana, S. S. Tags: Editor''s choice, Ischemic stroke Source Type: research

P-015 Implementation of a cognitive dysfunction screening protocol after aneurysmal subarachnoid hemorrhage
ConclusionWe successfully implemented an evidence-based screening protocol for cognitive dysfunction after aSAH. Most of these patients did exhibit cognitive dysfunction using the MoCA despite a good functional recovery, defined as mRS score <2. Screening only with the mRS is inadequate to identify the substantial cognitive dysfunction within this patient population. Further research is necessary to understand the impact of early cognitive intervention on long term outcomes for patients with cognitive impairment following aSAH.Disclosures N. Hall: None. J. Jackson: None. R. Chitale: None. M. Fusco: None. C. Considine: N...
Source: Journal of NeuroInterventional Surgery - July 23, 2022 Category: Neurosurgery Authors: Hall, N., Jackson, J., Chitale, R., Fusco, M., Considine, C., Froehler, M. Tags: SNIS 19th annual meeting oral poster abstracts Source Type: research

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