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JOURNAL ARTICLE
Jiahui Li, Riccardo Tiberi, Pervinder Bhogal, Jan-Hendrik Buhk, Daniel Behme, Alejandro Tomasello, Marc Ribo
BACKGROUND: Repeated number of passes, clot fragmentation, and distal embolization during mechanical thrombectomy (MT) lead to worse clinical outcomes in acute ischemic stroke. This study aimed to assess the recanalization and embolic outcomes of different stent-retrievers (SRs): open-tip SR (Solitaire X 6×40 mm), closed-tip SR (EmboTrap II 5×33 mm), and filter-tip SR (NeVa NET 5.5×37 mm). METHODS: Stiff-friable clot analogs were used to create middle cerebral artery (M1-MCA) occlusions in a benchtop model...
May 5, 2023: Journal of Neurointerventional Surgery
#22
JOURNAL ARTICLE
Michael Chen, Kyle M Fargen, J Mocco, Adnan H Siddiqui, Shigeru Miyachi, Jeyaledchumy Mahadevan, Sirintara Singhara Na Ayudya, Anchalee Churojana, Steve Chryssidis, Laetitia De Villiers, Mohibur Rahman, Subash Kanti Dey, Hongqi Zhang, Donghai Wang, Sergio Petrocelli, Silvia Garbugino, Zsolt Kulcsar, Anne Januel, Naci Kocer, Luigi Manfre, Michihiro Tanaka, Yuji Matsumaru, Sang Hyun Suh, Woong Yoon, Carlos de Freitas, Francisco Mont'Alverne, Hubert Desal, Jildaz Caroff, Wickly Lee, Gopinathan Anil, Rohen Harrichandparsad, David LeFeuvre, Ronit Agid, Darren B Orbach, Allan Taylor
No abstract text is available yet for this article.
May 4, 2023: Journal of Neurointerventional Surgery
#23
JOURNAL ARTICLE
Fouad Georges Akkari, Christina Stathopoulos, Francesco Puccinelli, Steven D Hajdu, Maja Beck-Popovic, Francis L Munier, Guillaume Saliou, Bruno Bartolini
BACKGROUND: In intra-arterial chemotherapy for retinoblastoma, a backflow from unreachable external carotid artery branches in the ophthalmic artery can be challenging. OBJECTIVE: To describe a new endovascular technique using Gelfoam pledgets to temporarily occlude distal branches of the external carotid artery to reverse the competitive backflow into the ophthalmic artery in order to perform intra-arterial chemotherapy via the ostium of the ophthalmic artery in selected cases...
May 4, 2023: Journal of Neurointerventional Surgery
#24
JOURNAL ARTICLE
Ariadna Robledo, Thomas S Frank, Patrick J Karas, Hashem Shaltoni, Sean O'Leary, Robert Darling, Peter Kan
The patient presented with left-sided chemosis, exophthalmos, and progressive visual loss. Cerebral angiography ed a left orbital arteriovenous malformation and an associated hematoma, with the point of fistulation between the left ophthalmic artery and the anterior section of the inferior ophthalmic vein, with retrograde flow through the superior ophthalmic vein. Transvenous embolization through the anterior facial and angular veins was unsuccessful, with residual shunting. Stereotactic-guided direct venous puncture and Onyx embolization was subsequently performed in the hybrid operating room (OR) to cure the fistula...
May 4, 2023: Journal of Neurointerventional Surgery
#25
JOURNAL ARTICLE
Chander Sadasivan, Nakisa Dashti, Samantha Marfoglio, David Fiorella
BACKGROUND: Liquid embolic agents and polyvinyl alcohol (PVA) particles have been used for the embolization of the middle meningeal artery (MMA) for the treatment of chronic subdural hematomas. However, the vascular penetration and distribution of these embolic agents have not yet been compared. The current study compares distribution of a liquid embolic agent (Squid) to PVA particles (Contour) in an in vitro model of the MMA. METHODS: MMA models were embolized with Contour PVA particles 45-150 µm, Contour PVA particles 150-250 µm, and Squid-18 liquid embolic agent (n=5 each)...
May 4, 2023: Journal of Neurointerventional Surgery
#26
JOURNAL ARTICLE
Lukas Meyer, Christian Paul Stracke, Gabriel Broocks, Marta Wallocha, Mohamed Elsharkawy, Peter B Sporns, Eike I Piechowiak, Johannes Kaesmacher, Christian Maegerlein, Moritz Roman Hernandez Petzsche, Hanna Zimmermann, Weis Naziri, Nuran Abdullayev, Christoph Kabbasch, Daniel Behme, Maximilian Thormann, Volker Maus, Sebastian Fischer, Markus A Möhlenbruch, Charlotte Sabine Weyland, Soenke Langner, Marielle Ernst, Ala Jamous, Dan Meila, Milena Miszczuk, Eberhard Siebert, Stephan Lowens, Lars Udo Krause, Leonard Ll Yeo, Benjamin Y Q Tan, Anil Gopinathan, Benjamin Gory, Jorge Galvan Fernandez, Miguel Schüller Arteaga, Pedro Navia, Eytan Raz, Maksim Shapiro, Fabian Arnberg, Kamil Zeleňák, Mario Martínez-Galdámez, Maria Alexandrou, Andreas Kastrup, Panagiotis Papanagiotou, Franziska Dorn, André Kemmling, Marios-Nikos Psychogios, Tommy Andersson, René Chapot, Jens Fiehler, Uta Hanning
BACKGROUND: Numerous questions regarding procedural details of distal stroke thrombectomy remain unanswered. This study assesses the effect of anesthetic strategies on procedural, clinical and safety outcomes following thrombectomy for distal medium vessel occlusions (DMVOs). METHODS: Patients with isolated DMVO stroke from the TOPMOST registry were analyzed with regard to anesthetic strategies (ie, conscious sedation (CS), local (LA) or general anesthesia (GA))...
May 4, 2023: Journal of Neurointerventional Surgery
#27
LETTER
Maria Perez Herrero, Ece Yamak Altinpulluk, Felice Galluccio, Karla Espinoza Morrales, Ruth Liceth Jara Pacheco, Mario Fajardo
No abstract text is available yet for this article.
May 3, 2023: Journal of Neurointerventional Surgery
#28
JOURNAL ARTICLE
Andrea Becerril-Gaitan, Dale Ding, Natasha Ironside, Thomas J Buell, Akash P Kansagra, Giuseppe Lanzino, Waleed Brinjikji, Louis Kim, Michael R Levitt, Isaac Josh Abecassis, Diederik Bulters, Andrew Durnford, W Christopher Fox, Spiros Blackburn, Peng Roc Chen, Adam J Polifka, Dimitri Laurent, Bradley Gross, Minako Hayakawa, Colin Derdeyn, Sepideh Amin-Hanjani, Ali Alaraj, J Marc C van Dijk, Adriaan R E Potgieser, Robert M Starke, Eric C Peterson, Junichiro Satomi, Yoshiteru Tada, Adib A Abla, Ethan A Winkler, Rose Du, Pui Man Rosalind Lai, Gregory J Zipfel, Ching-Jen Chen, Jason P Sheehan
BACKGROUND: Tools predicting intracranial dural arteriovenous fistulas (dAVFs) treatment outcomes remain scarce. This study aimed to use a multicenter database comprising more than 1000 dAVFs to develop a practical scoring system that predicts treatment outcomes. METHODS: Patients with angiographically confirmed dAVFs who underwent treatment within the Consortium for Dural Arteriovenous Fistula Outcomes Research-participating institutions were retrospectively reviewed...
May 2, 2023: Journal of Neurointerventional Surgery
#29
JOURNAL ARTICLE
Manuel Requena, Henri Vanden Bavière, Sanjay Verma, Carin Gerrits, Tom Kokhuis, Alejandro Tomasello, Carlos A Molina, Marc Ribo
BACKGROUND: The ANGIOCAT trial showed a clinical benefit of direct to angiography suite (DTAS) for patients with large vessel occlusion (LVO) stroke admitted within 6 hours after symptom onset in decreased hospital workflow time and improved clinical outcome. However, the impact of DTAS implementation on hospital costs is unknown. This economic evaluation aims to assess the cost-utility of DTAS from the provider (hospital) perspective. METHODS: A cost-utility analysis was applied to compare DTAS with the standard direct to CT (DTCT) suite approach using direct cost and health outcomes data...
April 27, 2023: Journal of Neurointerventional Surgery
#30
JOURNAL ARTICLE
Marco Colasurdo, Huanwen Chen, Chad Schrier, Mazhar Khalid, Mihir Khunte, Timothy R Miller, Jacob Cherian, Ajay Malhotra, Dheeraj Gandhi
BACKGROUND: Large vessel recanalization (LVR) before endovascular therapy (EVT) for acute large vessel ischemic strokes is a poorly understood phenomenon. Better understanding of predictors for LVR is important for optimizing stroke triage and patient selection for bridging thrombolysis. METHODS: In this retrospective cohort study, consecutive patients presenting to a comprehensive stroke center for EVT treatment were identified from 2018 to 2022. Demographic information, clinical characteristics, intravenous thrombolysis (IVT) use, and LVR before EVT were recorded...
April 26, 2023: Journal of Neurointerventional Surgery
#31
JOURNAL ARTICLE
Pengfei Yang, Shu Wan, Jun Wang, Yumeng Hu, Ning Ma, Xiaohui Wang, Yongwei Zhang, Lei Zhang, Xuan Zhu, Fang Shen, Qian Zheng, Ming Wang, Xiaochang Leng, Jens Fiehler, Adnan H Siddiqui, Zhongrong Miao, Jianping Xiang, Jianmin Liu
BACKGROUND: Intracranial atherosclerotic stenosis (ICAS) is one of the leading causes of ischemic stroke. Conventional anatomical analysis by CT angiography, MRI, or digital subtraction angiography can provide valuable information on the anatomical changes of stenosis; however, they are not sufficient to accurately evaluate the hemodynamic severity of ICAS. The goal of this study was to assess the diagnostic performance of the pressure ratio across intracranial stenoses (termed as fractional flow (FF)) derived from cerebral angiography for the diagnosis of hemodynamically significant ICAS defined by pressure wire-derived FF...
April 25, 2023: Journal of Neurointerventional Surgery
#32
JOURNAL ARTICLE
Francesco Diana, Mohamad Abdalkader, Daniel Behme, Wei Li, Christoph Johannes Maurer, Raoul Pop, Yang-Ha Hwang, Bruno Bartolini, Valerio Da Ros, Sandra Bracco, Luigi Cirillo, Gaultier Marnat, Aristeidis H Katsanos, Johannes Kaesmacher, Urs Fischer, Diana Aguiar de Sousa, Simone Peschillo, Andrea Zini, Alejandro Tomasello, Marc Ribo, Thanh N Nguyen, Michele Romoli
BACKGROUND: The periprocedural antithrombotic regimen might affect the risk-benefit profile of emergent carotid artery stenting (eCAS) in patients with acute ischemic stroke (AIS) due to tandem lesions, especially after intravenous thrombolysis. We conducted a systematic review and meta-analysis to evaluate the safety and efficacy of antithrombotics following eCAS. METHODS: We followed PRISMA guidelines and searched MEDLINE, Embase, and Scopus from January 1, 2004 to November 30, 2022 for studies evaluating eCAS in tandem occlusion...
April 25, 2023: Journal of Neurointerventional Surgery
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JOURNAL ARTICLE
Heloise Ifergan, Cyril Dargazanli, Wagih Ben Hassen, Jean-Francois Hak, Benjamin Gory, Julien Ognard, Kevin Premat, Gaultier Marnat, Basile Kerleroux, François Zhu, Guillaume Bellanger, Peter B Sporns, Guillaume Charbonnier, Géraud Forestier, Jildaz Caroff, Cédric Fauché, Frédéric Clarençon, Kevin Janot, Bertrand Lapergue, Gregoire Boulouis
BACKGROUND: Rescue intracranial stenting (RIS) can be used in refractory large vessel occlusion (LVO) after mechanical thrombectomy (MT). We aimed to assess the safety and efficacy of RIS versus a propensity matched sample of patients with persistent LVO. METHODS: We retrospectively analysed a multicenter retrospective pooled cohort of patients with anterior LVO (2015-2021) treated with MT, and identified patients with at least three passes and a modified Thrombolysis In Cerebral Infarction (mTICI) score of 0 to 2a...
April 20, 2023: Journal of Neurointerventional Surgery
#34
JOURNAL ARTICLE
Heng Yang, Wei Ni, Liquan Xu, Jiewen Geng, Xuying He, Huajun Ba, Jianjun Yu, Lan Qin, Yin Yin, Yufei Huang, Hongqi Zhang, Yuxiang Gu
BACKGROUND: This study aimed to evaluate the efficacy, stability, and safety of computer-assisted microcatheter shaping (CAMS) in patients with intracranial aneurysms. METHODS: A total of 201 patients with intracranial aneurysms receiving endovascular coiling therapy were continuously recruited and randomly assigned to the CAMS and manual microcatheter shaping (MMS) groups. The investigated outcomes included the first-trial success rate, time to position the microcatheter in aneurysms, rate of successful microcatheter placement within 5 min, delivery times, microcatheter stability, and delivery performance...
April 20, 2023: Journal of Neurointerventional Surgery
#35
JOURNAL ARTICLE
Ammad A Baig, Muhammad Waqas, Ryan C Turner, Cathleen C Kuo, Brianna M Donnelly, Pui Man Rosalind Lai, Kunal P Raygor, Mehdi Bouslama, Jaims Lim, Jenna Neumaier Bs, Justin M Cappuzzo, Jason M Davies, Kenneth V Snyder, Adnan H Siddiqui, Elad I Levy
BACKGROUND: Extensive clot burden in tandem strokes accounts for poor mechanical thrombectomy (MT) outcomes. Several studies have shown the benefit of balloon guide catheters (BGCs) in MT and carotid artery stenting. OBJECTIVE: In view of this potential benefit, to investigate the safety and effectiveness of proximal flow arrest using a BGC during concurrent MT and carotid revascularization for tandem stroke treatment in a comparative, propensity score-matched (PSM) study...
April 19, 2023: Journal of Neurointerventional Surgery
#36
JOURNAL ARTICLE
Nicklas Ennab Vogel, Per Wester, Tobias Andersson Granberg, Lars-Åke Levin
BACKGROUND: Despite the proven cost effectiveness of mechanical thrombectomy (MT) in patients with acute ischemic stroke (AIS) due to large vessel occlusion, treatment within 6 hours from symptom onset remains inaccessible for many patients. We aimed to find the optimal number and location of treatment facilities with respect to the cost effectiveness of MT in patients with AIS, first by the most cost effective implementation of comprehensive stroke centers (CSCs), and second by the most cost effective addition of complementary thrombectomy capable stroke centers (TSCs)...
April 18, 2023: Journal of Neurointerventional Surgery
#37
JOURNAL ARTICLE
Juan Vivanco-Suarez, Georgios S Sioutas, Irina-Mihaela Matache, Najib Muhammad, Mohamed M Salem, Sandeep Kandregula, Brian T Jankowitz, Jan-Karl Burkhardt, Visish M Srinivasan
BACKGROUND: There is limited evidence about the role and effectiveness of intraoperative angiography (IOA) during neurosurgical procedures with patients in prone, three-quarters prone, and park-bench positions. OBJECTIVE: To carry out a systematic review and meta-analysis of the literature to evaluate the safety and efficacy of IOA during neurosurgical procedures. METHODS: We reviewed (between January 1960 and July 2022) all studies in which IOAs were performed during neurosurgical procedures with patients in either prone, three-quarters prone, or park-bench positions...
April 17, 2023: Journal of Neurointerventional Surgery
#38
JOURNAL ARTICLE
Tomohiko Ozaki, Hiroshi Yamagami, Masafumi Morimoto, Taketo Hatano, Hidenori Oishi, Koichi Haraguchi, Shinichi Yoshimura, Kenji Sugiu, Koji Iihara, Yuji Matsumaru, Yasushi Matsumoto, Tetsu Satow, Mikito Hayakawa, Chiaki Sakai, Susumu Miyamoto, Kazuo Kitagawa, Takashi Daimon, Tatsuo Kagimura, Nobuyuki Sakai
BACKGROUND: The optimal duration of dual antiplatelet therapy (DAPT) after stent-assisted coil embolization (SACE) for cerebral aneurysm remains uncertain. This randomized trial of short- versus long-term Dual AntiPlatelet Therapy for Stent-Assisted treatment of CErebral aneurysm (DAPTS ACE) aimed to clarify whether long-term DAPT can reduce the occurrence of ischemic stroke in patients with cerebral aneurysms treated by SACE compared with short-term DAPT. METHODS: Patients treated for cerebral aneurysm with SACE were enrolled from 17 hospitals in Japan...
April 17, 2023: Journal of Neurointerventional Surgery
#39
JOURNAL ARTICLE
Hassan Kobeissi, Mohamed Sobhi Jabal, Sherief Ghozy, Santhosh Arul, Ryan M Naylor, Ramanathan Kadirvel, Waleed Brinjikji, David F Kallmes
BACKGROUND: Federal research funding is highly sought after but may be challenging to attain. A clear understanding of funding for specific diseases, such as cerebrovascular disorders, might help researchers regarding which National Institutes of Health (NIH) institutes fund research into specific disorders and grant types. OBJECTIVE: To examine the current scope of NIH grant funding for cerebrovascular conditions. METHODS: The NIH-developed RePORTER was used to extract active NIH-funded studies related to cerebrovascular diseases through January 2023...
April 17, 2023: Journal of Neurointerventional Surgery
#40
REVIEW
Johanna Maria Ospel, Manon Kappelhof, Aravind Ganesh, David F Kallmes, Waleed Brinjikji, Mayank Goyal
Symptomatic non-stenotic carotid plaques (SyNC) are an under-researched and under-recognized source of stroke. Various imaging markers of non-stenotic carotid plaques that are associated with stroke risk have been identified, but these causal relationships need to be confirmed in additional prospective studies. Currently, there exists neither a standardized SyNC definition nor a dedicated set of imaging protocols, although researchers have started to address these shortcomings. Moreover, many neuroradiologists are still unaware of the condition, and hence do not comment on high-risk plaque features other than stenosis in their reports...
April 17, 2023: Journal of Neurointerventional Surgery
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