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P149/163 A comparative in vitro study of manual and robot-assisted mechanical thrombectomy
ConclusionIn experimental bench conditions, robot-assisted EVT performed by experienced neurointerventionalists is feasible and highly effective without inducing substantial procedural delays.Disclosure of InterestMR received research funding from Medtronic andVesalioMR declares ownership of Anaconda Biomed and Methinks shares. MR received consulting fees from Anaconda Biomed, Apta Targets, Medtronic, Stryker,Cerenovus, and Philips. AT reports receiving consulting fees from Anaconda Biomed,Balt, Medtronic, MicroVention, Cerus, Merlin Medical, and Stryker.
Source: Journal of NeuroInterventional Surgery - August 21, 2023 Category: Neurosurgery Authors: Tomasello, A., Li, J., Tiberi, R., Rivera, E., Vargas, J. D., Losada, C., Diaz, L., Jablonska, M., Cendrero, J., Hernandez, D., Ribo, M. Tags: 2.3 ISCHEMIC - Treatment Source Type: research

E-107 estimation of radiation risks for occupational and patient exposure in neuro-radiological intervention procedure
ConclusionsThe findings of this study illustrate that there are significant radiation risks for patients and operators. Implementation of dose optimization methods may reduce the patient and staff doses up to 80% of its current value. Operators training and modern equipment with pulsed fluoroscopy are the main factors for dose reduction. New applications and operators are found for neuro- radiological intervention are the main challenges in radiological protection.DisclosuresK. Alzimami: None. A. Sulieman: None.
Source: Journal of NeuroInterventional Surgery - July 26, 2015 Category: Neurosurgery Authors: Alzimami, K., Sulieman, A. Tags: SNIS 12th Annual Meeting Electronic Poster Abstracts Source Type: research

E-046 Length of stay in mechanical thrombectomy, and machine learning improvement of predictive analysis
Conclusions Machine learning methods outperform multivariate logistic regression at the prediction of length of stay. Predictive analysis for patient length of stay could help hospital utilization and allow for more aggressive measures to prevent hospital acquired conditions. Disclosures S. Arndt: None. G. Bennett: None. K. Wojcik: None. A. Albar: None. M. Alhasan: None. J. Ma: None. P. Gulotta: None. J. Milburn: None.
Source: Journal of NeuroInterventional Surgery - July 23, 2017 Category: Neurosurgery Authors: Arndt, S., Bennett, G., Wojcik, K., Albar, A., Alhasan, M., Ma, J., Gulotta, P., Milburn, J. Tags: Electronic Poster Abstracts Source Type: research

EP38* Single center experience utilizing a novel augmented reality platform to teleproctor a neuroendovascular fellow
ConclusionsThis study demonstrates successful use of an augmented reality tele-proctoring platform in a fellowship training paradigm.ReferencesBechstein M, Elsheik S, Wodarg F, et al. Interhospital teleproctoring of endovascular intracranial aneurysm treatment using a dedicated live-streaming technology: first experiences during the COVID-19 pandemic. BMJ Case Rep 2020 Oct 4;13(10):e016722.Bechstein M, Buhk JH, Frolich AM, et al. Training and supervision of thrombectomy by remote live streaming support (RESS): randomized comparison using simulated stroke interventions. Clin Neuroradiol 2019 Dec 20.Goel SS, Greenbaum AB, Pa...
Source: Journal of NeuroInterventional Surgery - August 24, 2021 Category: Neurosurgery Authors: Hassan, A., Desai, S., Georgiadis, A., Tekle, W. Tags: Logistics Source Type: research

Prediction of bleb formation in intracranial aneurysms using machine learning models based on aneurysm hemodynamics, geometry, location, and patient population
Conclusions Based on the premise that aneurysm characteristics prior to bleb formation resemble those derived from vascular reconstructions with their blebs virtually removed, machine learning models can identify aneurysms prone to bleb development with good accuracy. Pending further validation with longitudinal data, these models may prove valuable for assessing the propensity of IAs to progress to vulnerable states and potentially rupturing.
Source: Journal of NeuroInterventional Surgery - September 14, 2022 Category: Neurosurgery Authors: Salimi Ashkezari, S. F., Mut, F., Slawski, M., Cheng, B., Yu, A. K., White, T. G., Woo, H. H., Koch, M. J., Amin-Hanjani, S., Charbel, F. T., Rezai Jahromi, B., Niemelä, M., Koivisto, T., Frosen, J., Tobe, Y., Maiti, S., Robertson, A. M., Cebral, Tags: Hemorrhagic stroke Source Type: research

O13 School of thrombectomy - a 3-step approach to perform acute stroke treatment with simulator training and virtual supervision by remote streaming support (RESS)
ConclusionsThe 3-step approach increases the level of safety, as reported by the trainees and supervisor in this study, and may enable an accelerated training of neurointerventionalists.ReferencesKreiser K, Ströber L, Gehling KG, Schneider F, Kohlbecher S, Schulz CM, et al. Simulation Training in Neuroangiography—Validation and Effectiveness. Clinical Neuroradiology. 2021;31(2):465–73.Martínez-Galdámez M, Fernández JG, Arteaga MS, Pérez-Sánchez L, Arenillas JF, Rodríguez-Arias C, et al. Smart Glasses Evaluation during the Covid-19 Pandemic: First-use on Neuroint...
Source: Journal of NeuroInterventional Surgery - August 29, 2022 Category: Neurosurgery Authors: Dorn, F., Lehnen, N., Lagkomi, A., Schievelkamp, A., Bode, F., Radbruch, A., Paech, D. Tags: 14th Congress of the European Society of Minimally Invasive Neurological Therapy 2022 Meeting Abstracts Source Type: research

P53 ESMINT/EYMINT E-fellowship - experiences from two seasons and implications for future neurointerventional tele-observerships
ConclusionsTele-observerships may facilitate location-independent training of complex neurointerventional procedures through high levels of situational awareness. Future programs will have to incorporate individual training schedules to enable fellows to better attend complex elective procedures.ReferencesBechstein M, Elsheikh S, Wodarg F, et al. Republished: Interhospital Teleproctoring of Endovascular Intracranial Aneurysm Treatment Using a Dedicated Live-streaming Technology: First Experiences during the Covid-19 Pandemic. J Neurointerv Surg 2021;13(2):E1.Bechstein M, Buhk JH, Frolich AM, et al. Training and Supervision...
Source: Journal of NeuroInterventional Surgery - August 29, 2022 Category: Neurosurgery Authors: Bechstein, M., Hanning, U., Martinez-Galdamez, M., Kalousek, V., Fiehler, J., Guerreiro, H. Tags: 14th Congress of the European Society of Minimally Invasive Neurological Therapy 2022 Meeting Abstracts Source Type: research

E-161 Transradial arterial access for neurointervention: the basics, benefits, and tools
Transradial access (TRA) is a feasible method for interventional neurovascular procedures, gaining popularity after becoming the standard access route in cardiovascular interventions. While advantages of TRA include better safety, cost reduction, and patient experience, barriers include a narrow variety of dedicated equipment for radial to neurovascular target vessels, need for further training for physicians and fellows, and physician bias toward Transfemoral access (TFA) due to training and familiarity.This educational poster focuses on the general technical details of TRA, including discussion of the TRA and distal TRA ...
Source: Journal of NeuroInterventional Surgery - July 30, 2023 Category: Neurosurgery Authors: Kelly, C., Abbas, M., Harris, D., Abbas, M., Luqman, A. Tags: SNIS 20th annual meeting electronic poster abstracts Source Type: research

E-186 Assessing congruency of first pass effect on outcomes in mechanical thrombectomy for large vessel occlusions via unsupervised machine learning
This study was approved by the local institutional review board (IRB). Clustered outcomes to formulate clusters included the number of passes, the final reperfusion obtained, the discharge NIHSS, and complications. FPE was defined as TICI 2C or 3 reperfusions on the first pass. Uniform manifold approximations and projections (UMAP) and K-means unsupervised clustering were done to identify outcome clusters. Logistic regression with and without interaction coefficients was used to determine associated factors with cluster membership or FPE. P-values less than 0.05 were considered significant.Results287 consecutive patients w...
Source: Journal of NeuroInterventional Surgery - July 30, 2023 Category: Neurosurgery Authors: Catapano, J., Naik, A., Koester, S., Singh, R., Ostinnington, H., Rangel, I., Desai, S., Winkler, E., Ducruet, A., Albuquerque, F., Jadhav, A. Tags: SNIS 20th annual meeting electronic poster abstracts Source Type: research

E-223 Improved time to diagnosis with portable MR imaging
ConclusionPortable MRI is a promising innovation with the aim to expand patient access and improve diagnostic times so that critical and potential lifesaving imaging diagnoses can be promptly treated with the urgency that is required. While initial analysis provides evidence that portable MRI has advantages over conventional MRI systems including workflow efficiency and improved patient imaging times, this will need to be compared to the unfortunate negative drawbacks of lessened image resolution and limited imaging sequences that come with the convenience of portable MRI systems. If the hypothesis is further corroborated,...
Source: Journal of NeuroInterventional Surgery - July 30, 2023 Category: Neurosurgery Authors: Richardson, O., Richardson, A., Mukherjee, S. Tags: SNIS 20th annual meeting electronic poster abstracts Source Type: research

In-stent restenosis after vertebral artery origin stenosis stenting: a nomogram for risk assessment
Conclusions A nomogram and a risk evaluation table were developed with good predictive ability for in-stent restenosis among patients with VAOS, which could serve as a practical approach for individualized risk evaluation.
Source: Journal of NeuroInterventional Surgery - August 29, 2023 Category: Neurosurgery Authors: Yang, K., Fang, S., Zhang, X., Wang, T., Feng, Y., Jiao, L., Yan, Y. Tags: Ischemic stroke Source Type: research

O32/312 Continuous evaluation of the ESMINT/EYMINT E-fellowship as a European tele-learning network for neurointerventional trainees
ConclusionTele-observerships may supplement neurointerventional hands-on training in particular of low-frequency high-complexity procedures.Disclosure of InterestMatthias Bechstein: Nothing to discloseHelena Guerreiro: Nothing to discloseTeresa Nawka: Nothing to discloseVladimir Kalousek: Nothing to discloseJens Fiehler: Nothing to discloseUta Hanning: Nothing to disclose.
Source: Journal of NeuroInterventional Surgery - August 21, 2023 Category: Neurosurgery Authors: Bechstein, M., Guerreiro, H., Nawka, M. T., Kalousek, V., Fiehler, J., Paula Hanning, U. M. Tags: 3.3 OTHER - Miscellaneous 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

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