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Journal of Neurointerventional Surgery

Adam Andrew Dmytriw, Thomas Joseph Sorenson, Jonathan M Morris, Patrick J Nicholson, Christopher Alan Hilditch, Christopher S Graffeo, Waleed Brinjikji
OBJECTIVE: Twitter is a popular social media platform among physicians. Neurointerventionalists frequently document their lifesaving mechanical thrombectomy cases on Twitter with very favorable results. We fear that there may be some social media publication bias to tweeted mechanical thrombectomy cases with neurointerventionalists being more likely to tweet cases with favorable outcomes. We used these publicly documented cases to analyze post-intervention Twitter-reported outcomes and compared these outcomes with the data provided in the gold standard literature...
September 15, 2018: Journal of Neurointerventional Surgery
Srikanth R Boddu, Y Pierre Gobin, Marc Dinkin, Cristiano Oliveira, Athos Patsalides
PURPOSE: The impact of venous sinus stenting (VSS) on vein of Labbé (VOL) drainage is poorly understood. The purpose of the study is to examine the incidence and potential high risk factors of impaired VOL drainage among idiopathic intracranial hypertension (IIH) patients following VSS. MATERIALS AND METHODS: Institutional review board approved prospective evaluation of all IIH patients who underwent VSS over a 5 year period (January 2012 to December 2017) at Weill Cornell Medical Center constituted the study population...
September 15, 2018: Journal of Neurointerventional Surgery
Maxim Mokin, Alex Abou-Chebl, Alicia C Castonguay, Raul G Nogueira, Joey D English, Hamed Farid, Rishi Gupta, Coleman Martin, William Edward Holloway, Diogo C Haussen, Nils Mueller-Kronast, Osama O Zaidat
BACKGROUND: The DEFUSE 3 and DAWN trials have shown the benefit of thrombectomy beyond 6 hours of stroke symptom onset in carefully selected patients. OBJECTIVE: To evaluate the real-world outcomes of stent retriever thrombectomy beyond 6 hours of stroke onset using combined individual patient data from the North American Solitaire Stent Retriever Acute Stroke (NASA) and Trevo Stent-Retriever Acute Stroke (TRACK) registries. METHODS: Pooled analysis of individual patient data of all cases of anterior circulation acute ischemic stroke (AIS) from NASA and TRACK was performed to compare outcomes of patients presenting within the first hours 6 or beyond 6 hours of stroke symptom onset...
September 15, 2018: Journal of Neurointerventional Surgery
Hamidreza Saber, Riyad Y Kherallah, Mohamad O Hadied, Shaghayegh Kazemlou, Parthasarathi Chamiraju, Sandra Narayanan
BACKGROUND: Pipeline embolization devices (PEDs) are increasingly used in the treatment of cerebral aneurysms. Yet, major ischemic or hemorrhagic complications after PED treatment associated with antiplatelet regimens are not well-established. OBJECTIVE: To investigate the risk of ischemic and hemorrhagic complications associated with common antiplatelet regimens following PED treatment, and to examine whether platelet function testing (PFT) is associated with a lower risk of these complications...
September 10, 2018: Journal of Neurointerventional Surgery
Kubilay Aydin, Mehmet Barburoglu, Ozgur Oztop Cakmak, Nilufer Yesilot, Ebru Nur Yavuz Vanli, Sergin Akpek
BACKGROUND: Mechanical thrombectomy using a stent retriever has become the standard of care for acute large-vessel occlusions in the anterior circulation. Clots that are refractory to single stent retriever thrombectomy remain a challenge for neurointerventionalists. OBJECTIVE: To assess the efficacy and safety of double stent retriever (crossing Y-Solitaire) thrombectomy as a rescue treatment for acute middle cerebral artery (MCA) occlusions that are refractory to single stent retriever thrombectomy...
September 7, 2018: Journal of Neurointerventional Surgery
David S Liebeskind, Serge Bracard, Francis Guillemin, Reza Jahan, Tudor G Jovin, Charles Blm Majoie, Peter J Mitchell, Aad van der Lugt, Bijoy K Menon, Luis San Román, Bruce Cv Campbell, Keith W Muir, Michael D Hill, Diederik Wj Dippel, Jeffrey L Saver, Andrew M Demchuk, Antoni Dávalos, Philip White, Scott Brown, Mayank Goyal
BACKGROUND: Revascularization after endovascular therapy for acute ischemic stroke is measured by the Thrombolysis In Cerebral Infarction (TICI) scale, yet variability exists in scale definitions. We examined the degree of reperfusion with the expanded TICI (eTICI) scale and association with outcomes in the HERMES collaboration of recent endovascular trials. METHODS: The HERMES Imaging Core, blind to all other data, evaluated angiography after endovascular therapy in HERMES...
September 7, 2018: Journal of Neurointerventional Surgery
Fahad Essbaiheen, Hanan AlQahtani, Taleb Mohamed Almansoori, Elena Adela Cora, Satya Patro, Vered Tsehmaister-Abitbul, Brian Drake, Howard Lesiuk, Stephanos Nikolaos Finitsis, Daniela Iancu
BACKGROUND: Little is known about in-stent stenosis (ISS) in patients with aneurysms treated with flow diverter (FD) stents. The reported incidence in the literature varies significantly. OBJECTIVE: The aim of this study was to assess the incidence, severity, distribution, clinical significance, and possible predictors for ISS. METHODS: Between July 2012 and June 2016 we retrospectively reviewed all patients treated with SILK FDs in our center...
September 7, 2018: Journal of Neurointerventional Surgery
Taylor Daileda, Farhaan S Vahidy, Peng Roc Chen, Hooman Kamel, Conrad W Liang, Sean I Savitz, Sunil A Sheth
BACKGROUND: The likelihood of retreatment in patients undergoing procedures for cerebral aneurysms (CAs) has an important role in deciding the optimal treatment type. Existing determinations of retreatment rates, particularly for unruptured CAs, may not represent current clinical practice. OBJECTIVE: To use population-level data to examine a large cohort of patients with treated CAs over a 10-year period to estimate retreatment rates for both ruptured and unruptured CAs and explore the effect of changing treatment practices...
September 5, 2018: Journal of Neurointerventional Surgery
Jildaz Caroff, Robert M King, Rose Arslanian, Miklos Marosfoi, Erin T Langan, Matthew J Gounis, Ju-Yu Chueh
BACKGROUND: Despite high recanalization rates achieved with endovascular treatment of acute ischemic strokes, around 50% of eligible patients will not achieve a good outcome. Parameters that may determine patient outcomes include: time from puncture to recanalization, the collateral status, the anesthesia regimen, blood pressure management, and distal emboli. Characterization of distal emboli generated during mechanical thrombectomy has been performed in previous studies. OBJECTIVE: To further investigate the risk of distal embolization associated with microcatheter navigation across the clot...
September 3, 2018: Journal of Neurointerventional Surgery
Keun Young Park, Byung Moon Kim, Dong Joon Kim, Joonho Chung, Jae Whan Lee
BACKGROUND: Little has been reported about the feasibility and durability of a Low-profile Visualized Intraluminal Support Junior (LVIS Jr) Y-stenting device for wide-neck bifurcation aneurysms. PURPOSE: To evaluate the feasibility and durability of LVIS Jr Y-stenting for coiling of unruptured wide-neck bifurcation aneurysms. METHODS: We identified patients in whom LVIS Jr Y-stenting was attempted for unruptured wide-neck bifurcation aneurysms from a prospectively maintained registry of a referral hospital...
August 30, 2018: Journal of Neurointerventional Surgery
Jun-Soo Byun, Anderson Chun On Tsang, Christopher Alan Hilditch, Patrick Nicholson, Yi-Bin Fang, Timo Krings, Vitor Mendes Pereira, Giuseppe Lanzino, Waleed Brinjikji
BACKGROUND AND PURPOSE: Thoracolumbar and sacral spinal epidural arteriovenous fistulas (SEDAVFs) are an increasingly recognized form of spinal vascular malformation. The purpose of this study was to perform a systematic review of the demographics, clinical presentation and treatment results of thoracolumbar SEDAVFs. MATERIALS AND METHODS: Pubmed, Scopus and Web of Science databases were searched from January 2000 to January 2018 for articles on treatment of SEDAVFs...
August 30, 2018: Journal of Neurointerventional Surgery
Patrick Nicholson, Waleed Brinjikji, Ivan Radovanovic, Christopher Alan Hilditch, Anderson Chun On Tsang, Timo Krings, Vitor Mendes Pereira, Stéphanie Lenck
BACKGROUND: Stenting of the intracranial venous sinuses is used as a treatment in certain cases of idiopathic intracranial hypertension (IIH). Interest in, and experience of, this technique is growing, particularly in recent years. We sought to provide an updated systematic review and meta-analysis of the use of venous stenting in these patients, examining clinical outcomes. METHODS: A literature search of venous stenting in IIH patients was performed. Using random-effects meta-analysis, we evaluated the following outcomes: clinical resolution of papilledema; headaches and pulsatile tinnitus; recurrence of symptoms after stenting; and complications...
August 30, 2018: Journal of Neurointerventional Surgery
Romain Bourcier, Wagih Ben Hassen, Sébastien Soize, Pascal Roux, Julien Labreuche, Maeva Kyheng, Marie Tisserand, Charlotte Rosso, Raphael Blanc, Michel Piotin, Imad Derraz, Gregoire Boulouis, Catherine Oppenheim, Hubert Desal, Serge Bracard, Bertrand Lapergue, Olivier Naggara
BACKGROUND: Susceptibility vessel sign (SVS) can be a useful MRI biomarker of an occlusion but its relationship with clinical outcomes of acute ischemic stroke (AIS) is yet to be fully elucidated. OBJECTIVE: To investigate SVS in relation to the clinical outcomes after mechanical thrombectomy using a stent retriever (SR) as first-line approach in patients with AIS. MATERIAL AND METHODS: We included patients with a first-line SR approach for anterior AIS from the the Contact Aspiration vs Stent Retriever for Successful Revascularization (ASTER) and THRombectomie des Artères CErebrales (THRACE) trials when both baseline imaging of SVS and 90-day modified Rankin Scale (mRS) scores were available...
August 28, 2018: Journal of Neurointerventional Surgery
Fernando Delgado, Rafael Oteros, Elvira Jimenez-Gomez, Isabel Bravo Rey, María Dolores Bautista, Roberto Valverde Moyano
BACKGROUND: A stent is often necessary for the treatment of stroke. In such cases,it is essential for the patient to have antiplatelet therapy. There are several methods of antiaggregation, such as oral loading doses of aspirin and clopidogrel, intravenous aspirin, or intravenous glycoprotein IIb/IIIa receptor antagonists, such as abciximab. The aim of this study was to evaluate the incidence of symptomatic intracerebral hematoma (sICH) associated with our antiplatelet protocol: intravenous abciximab bolus at half the dose (0125 mg/kg) at the time of the stenting procedure; oral aspirin (150 mg) and clopidogrel (75 mg) daily added the next day after CT shows no significant hematoma...
August 28, 2018: Journal of Neurointerventional Surgery
Laurent Pierot, Mahesh V Jayaraman, Istvan Szikora, Joshua A Hirsch, Blaise Baxter, Shigeru Miyachi, Jeyaledchumy Mahadevan, Winston Chong, Peter J Mitchell, Alan Coulthard, Howard A Rowley, Pina C Sanelli, Donatella Tampieri, Patrick A Brouwer, Jens Fiehler, Naci Kocer, Pedro Vilela, Alex Rovira, Urs Fischer, Valeria Caso, Bart van der Worp, Nobuyuki Sakai, Yuji Matsumaru, Shin-Ichi Yoshimura, Rene Anxionnat, Hubert Desal, Luisa Biscoito, José Manuel Pumar, Orlando Diaz, Justin F Fraser, Italo Linfante, David S Liebeskind, Raul G Nogueira, Werner Hacke, Michael Brainin, Bernard Yan, Mchael Soderman, Allan Taylor, Sirintara Pongpech, Michihiro Tanaka, Terbrugge Karel
No abstract text is available yet for this article.
August 28, 2018: Journal of Neurointerventional Surgery
Christoph Kabbasch, Lukas Goertz, Eberhard Siebert, Moriz Herzberg, Christina Hamisch, Anastasios Mpotsaris, Franziska Dorn, Thomas Liebig
BACKGROUND: Woven Endobridge (WEB) embolization is a safe and efficient technique for endovascular treatment of intracranial aneurysms. However, the management of aneurysm recurrence after WEB placement has not been well described to date. We present our multicenter experience of endovascular retreatment of aneurysm recurrence after WEB implantation. METHODS: This is a multicenter study of patients who underwent endovascular retreatment after WEB implantation in three German tertiary care centers...
August 28, 2018: Journal of Neurointerventional Surgery
Syed Uzair Ahmed, Jenna Mann, Jeremie Houde, Evan Barber, Michael E Kelly, Lissa Peeling
The Solitaire (Medtronic Inc, Mansfield, Massachusetts, USA) is a stentriever device for endovascular treatment of acute ischemic stroke. Temporary endovascular bypass and mechanical thrombectomy are well-described applications of this device. However, few reports of permanent stent placement have been published. We present a series of five cases in which the Solitaire stent was implanted to restore distal flow after failure of conventional mechanical thrombectomy. All patients presented with large vessel occlusions with thrombi that were resistant to retrieval or suction-aspiration...
August 28, 2018: Journal of Neurointerventional Surgery
Wagih Ben Hassen, Claire Malley, Grégoire Boulouis, Frédéric Clarençon, Bruno Bartolini, Romain Bourcier, Christine Rodriguez Régent, Nicolas Bricout, Marc Antoine Labeyrie, Jean Christophe Gentric, Aymeric Rouchaud, Sébastien Soize, Suzana Saleme, Hélène Raoult, Sophie Gallas, François Eugène, René Anxionnat, Denis Herbreteau, Serge Bracard, Olivier Naggara
BACKGROUND: The adequacy of leptomeningeal collateral flow has a pivotal role in determining clinical outcome in acute ischemic stroke. The American Society of Interventional and Therapeutic Neuroradiology/Society of Interventional Radiology (ASITN/SIR) collateral score is among the most commonly used scales for measuring this flow. It is based on the extent and rate of retrograde collateral flow to the impaired territory on angiography. OBJECTIVE: To evaluate inter- and intraobserver agreementin angiographic leptomeningeal collateral flow assessment...
August 21, 2018: Journal of Neurointerventional Surgery
Zhonghua Wu, Ao-Fei Liu, Ji Zhou, Yiqun Zhang, Kai Wang, Chen Li, Hancheng Qiu, Wei-Jian Jiang
OBJECTIVE: To investigate the safety of triple antiplatelet therapy (TAT) with cilostazol in patients undergoing stenting for extracranial and/or intracranial artery stenosis. METHODS: A prospectively collected database was reviewed to identify patients who underwent stenting for extracranial and/or intracranial artery stenosis and showed resistance to aspirin and/or clopidogrel as assessed by pre-stenting thromboelastography (TEG) testing. Patients were assigned to a TAT group and a dual antiplatelet therapy (DAT) group...
August 12, 2018: Journal of Neurointerventional Surgery
Junaid T Yasin, Adam N Wallace, Thomas P Madaelil, Joshua W Osbun, Christopher J Moran, Dewitte T Cross, David D Limbrick, Gregory J Zipfel, Ralph G Dacey, Akash P Kansagra
BACKGROUND: There are limited outcome data to guide the choice of treatment in pediatric patients with cerebral aneurysms. OBJECTIVE: To describe our institutional experience treating pediatric patients with cerebral aneurysms and to conduct a meta-analysis of available studies to provide the best current evidence on treatment related outcomes. METHODS: We identified pediatric patients with cerebral aneurysms evaluated or treated at our institution using a comprehensive case log...
August 12, 2018: Journal of Neurointerventional Surgery
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