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Flow diverter stent

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https://www.readbyqxmd.com/read/29720021/silk-flow-diverter-stent-for-the-treatment-of-complex-intracranial-aneurysms-a-one-year-follow-up-multicenter-study
#1
G Foa Torres, F Roca, A Noguera, J Godes, S Petrocelli, I Aznar, S Ales, P Muszynski, R Maehara, M Vicente, J M Pumar
Background Flow-diverter stents have been successfully used in the treatment of complex aneurysms with limited therapeutic alternatives. We report our experience using the Silk flow diverter (SFD; Balt Extrusion, Montmorency, France) for the treatment of complex aneurysms in four Argentine centers. Methods We conducted a retrospective review of 246 consecutive patients who were treated with the SFD at four Argentine centers between January 2009 and January 2017. The patient and aneurysm characteristics, as well as the details of the procedure, were analyzed...
January 1, 2018: Interventional Neuroradiology
https://www.readbyqxmd.com/read/29698879/use-of-pipeline%C3%A2-embolization-device-for-the-treatment-of-traumatic-intracranial-pseudoaneurysms-case-series-and-review-of-cases-from-literature
#2
Mairaj T Sami, Domenico A Gattozzi, Hesham M Soliman, Alan R Reeves, Christopher J Moran, Paul J Camarata, Koji C Ebersole
OBJECTIVE: Intracranial traumatic pseudoaneurysms (PSA) are a rare but dangerous subtype of cerebral aneurysm. Reports documenting use of flow-diverting stents to treat traumatic intracranial PSAs are few and lack long-term follow-up. To our knowledge, this is the largest case-series to date demonstrating use of Pipeline Endovascular Device (PED) for traumatic intracranial PSAs. PATIENTS AND METHODS: Retrospective review of 8 intracranial traumatic PSAs in 7 patients treated using only PED placement...
June 2018: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/29695603/intermediate-catheter-placement-distal-to-the-cerebral-aneurysm-during-flow-diversion-embolization-with-the-surpass-device
#3
Osman Melih Topcuoglu, Anil Arat, Ahmet Peker, Basar Sarikaya
PURPOSE: We present the preliminary angiographic and clinical results of the combined utilization of an AXS Catalyst 5 (Cat5) distal access catheter and a Surpass flow diverter (SFD) for the endovascular treatment of intracranial aneurysms. MATERIALS AND METHODS: Interventional neuroradiology case records were evaluated retrospectively to identify patients treated with an SFD in combination with Cat5. Demographic data, technical success, location of the catheter tip, aneurysm occlusion rate, and procedure-related morbidity and mortality were noted...
April 25, 2018: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/29684517/nickel-related-adverse-reactions-in-the-treatment-of-cerebral-aneurysms-a-literature-review
#4
REVIEW
Anderson Chun On Tsang, Patrick Nicholson, Vitor Mendes Pereira
BACKGROUND: Nickel is the most common metal allergen and predominantly affects women. It is also the ubiquitous component in the alloys used to manufacture intracranial devices for aneurysm treatments, including aneurysm clips, self-expanding stents, flow-diverting stents and endosaccular occlusion devices. Adverse events related to nickel-allergy after deployment of such devices are uncommon but can be severe, resulting in dilemmas in the choice of treatment strategies and devices in managing nickel-sensitive patients with intracranial aneurysms...
April 20, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29682009/the-effect-of-stents-in-cerebral-aneurysms-a-review
#5
REVIEW
Kenan Alkhalili, Jack Hannallah, Mary Cobb, Nohra Chalouhi, Jessica L Philips, Angela B Echeverria, Pascal Jabbour, M Haithem Babiker, David H Frakes, L Fernando Gonzalez
The etiology of up to 95% of cerebral aneurysms may be accounted for by hemodynamically-induced factors that create vascular injury. The purpose of this review is to describe key physical properties that stents have and how they affect cerebral aneurysms. We performed a two-step screening process. First, a structured search was performed using the PubMed database. The following search terms and keywords were used: "Hemodynamics," "wall shear stress (WSS)," "velocity," "viscosity," "cerebral aneurysm," "intracranial aneurysm," "stent," "flow diverter," "stent porosity," "stent geometry," "stent configuration," and "stent design...
April 2018: Asian Journal of Neurosurgery
https://www.readbyqxmd.com/read/29675721/fenestration-of-the-supraclinoid-segment-of-the-ica-and-associated-aneurysms-a-case-report-with-literature-review
#6
Alessandro Sgreccia, Oguzhan Coskun, Federico Di Maria, Georges Rodesch, Arturo Consoli
The supraclinoid ICA fenestration (SIF) is considered an extremely rare congenital anomaly. However, most of the reported cases of SIF are associated with intracranial aneurysms either ruptured or unruptured. We report the case of a 55-year-old patient with a right SIF and an unruptured, large, wide-necked aneurysm located on the larger limb of the fenestration and a second small aneurysm distal to the SIF. The aneurysms were treated with a Pipeline flow-diverter stent, achieving the complete reconstruction of the anatomy of the carotid siphon...
April 20, 2018: Acta Neurochirurgica
https://www.readbyqxmd.com/read/29651585/ruptured-fusiform-aneurysm-of-the-anterior-spinal-artery-successful-treatment-with-flow-diverter-stent-placed-in-the-feeding-vertebral-artery
#7
C P Simon-Gabriel, H Urbach, S Meckel
No abstract text is available yet for this article.
April 12, 2018: Clinical Neuroradiology
https://www.readbyqxmd.com/read/29650782/treatment-of-distal-anterior-cerebral-artery-aneurysms-with-flow-diverter-stents-a-single-center-experience
#8
F Cagnazzo, M Cappucci, C Dargazanli, P-H Lefevre, G Gascou, C Riquelme, A Bonafe, V Costalat
BACKGROUND AND PURPOSE: Flow diversion for aneurysms beyond the circle of Willis is still debated. Our aim was to evaluate the safety and efficacy of flow diversion treatment of distal anterior cerebral artery aneurysms. MATERIALS AND METHODS: Consecutive patients with distal anterior cerebral artery aneurysms treated from January 2014 to October 2017 were evaluated retrospectively with prospectively maintained data. Treatment was performed only for unruptured or recanalized aneurysms after coiling...
April 12, 2018: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/29644398/stent-placement-in-patients-with-acute-subarachnoid-haemorrhage-when-is-it-justified
#9
Andrew G Murchison, Victoria Young, Tanja Ddjurdjevic, Martino Cellerini, Rufus Corkill, Wilhelm Küker
PURPOSE: Endovascular stents are widely used for the elective treatment of cerebral aneurysms. Acute stenting is performed in the management of dissections, pseudo-aneurysms, broad-based aneurysms or as a 'bail out' measure after coil migration. The purpose of this study is to review the safety of using stents in acute subarachnoid haemorrhage. METHODS: The stent registry of our institution was reviewed for procedures in patients with acute subarachnoid haemorrhage...
April 11, 2018: Neuroradiology
https://www.readbyqxmd.com/read/29599173/parent-artery-reconstruction-for-large-or-giant-cerebral-aneurysms-using-the-tubridge-flow-diverter-a-multicenter-randomized-controlled-clinical-trial-parat
#10
J-M Liu, Y Zhou, Y Li, T Li, B Leng, P Zhang, G Liang, Q Huang, P-F Yang, H Shi, J Zhang, J Wan, W He, C Liang, G Zhu, Y Xu, B Hong, X Yang, W Bai, Y Tian, H Zhang, Z Li, Q Li, R Zhao, Y Fang, K Zhao
BACKGROUND AND PURPOSE: Although flow diverters have been reported with favorable clinical and angiographic outcomes in various literatures, randomized trials determining their true effectiveness and safety are still in lack. The Parent Artery Reconstruction for Large or Giant Cerebral Aneurysms Using the Tubridge Flow Diverter (PARAT) trial was designed to evaluate the safety and efficacy of the Tubridge flow diverter in the treatment of large or giant aneurysms in comparison with Enterprise stent-assisted coiling...
March 29, 2018: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/29572267/long-term-visual-outcome-in-patients-treated-by-flow-diversion-for-carotid-ophthalmic-aneurysms
#11
Romain Touzé, Valérie Touitou, Eimad Shotar, Joseph Gabrieli, Mehdi Drir, Bertrand Mathon, Nader-Antoine Sourour, Frédéric Clarençon
BACKGROUND: Flow-diverter stents (FDSs) are an upgrade in the treatment of intracranial aneurysms. However, complications concerning covered branches have been reported, especially the ophthalmic artery (OA). The purpose of our study was to evaluate the long-term ophthalmic complication rate of carotid-ophthalmic aneurysms (COA) without visual pathways compression, treated by a FDS covering the OA by performing an exhaustive ophthalmic examination. MATERIAL AND METHODS: Retrospective analysis of a single-center database screening the patients treated from October 2009 to April 2015 for an intracranial aneurysm with a FDS...
March 23, 2018: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/29567650/the-new-low-profile-web-17-system-for-treatment-of-intracranial-aneurysms-first-clinical-experiences
#12
S B T van Rooij, J P Peluso, M Sluzewski, H G Kortman, W J van Rooij
BACKGROUND AND PURPOSE: The Woven EndoBridge (WEB) is an intrasaccular flow diverter intended to treat wide-neck aneurysms. The latest generation WEBs needed a 0.021-inch microcatheter in the small sizes. Recently, a lower profile range of WEBs compliant with a 0.017-inch microcatheter (WEB 17) has been introduced. We present the first clinical results of treatment of both ruptured and unruptured aneurysms with the WEB 17. MATERIALS AND METHODS: Between December 2016 and September 2017, forty-six aneurysms in 40 patients were treated with the WEB 17...
March 22, 2018: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/29545252/european-multicenter-study-for-the-evaluation-of-a-dual-layer-flow-diverting-stent-for-treatment-of-wide-neck-intracranial-aneurysms-the-european-flow-redirection-intraluminal-device-study
#13
M Killer-Oberpfalzer, N Kocer, C J Griessenauer, H Janssen, T Engelhorn, M Holtmannspötter, J H Buhk, T Finkenzeller, G Fesl, J Trenkler, W Reith, A Berlis, K Hausegger, M Augustin, C Islak, B Minnich, M Möhlenbruch
BACKGROUND AND PURPOSE: Endoluminal reconstruction with flow-diverting stents represents a widely accepted technique for the treatment of complex intracranial aneurysms. This European registry study analyzed the initial experience of 15 neurovascular centers with the Flow-Redirection Intraluminal Device (FRED) system. MATERIALS AND METHODS: Consecutive patients with intracranial aneurysms treated with the FRED between February 2012 and March 2015 were retrospectively reviewed...
March 15, 2018: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/29545248/endovascular-treatment-of-very-large-and-giant-intracranial-aneurysms-comparison-between-reconstructive-and-deconstructive-techniques-a-meta-analysis
#14
F Cagnazzo, D Mantilla, A Rouchaud, W Brinjikji, P-H Lefevre, C Dargazanli, G Gascou, C Riquelme, P Perrini, D di Carlo, A Bonafe, V Costalat
BACKGROUND: The safety and efficacy of reconstructive and deconstructive endovascular treatments of very large/giant intracranial aneurysms are not completely clear. PURPOSE: Our aim was to compare treatment-related outcomes between these 2 techniques. DATA SOURCES: A systematic search of 3 data bases was performed for studies published from 1990 to 2017. STUDY SELECTION: We selected series of reconstructive and deconstructive treatments with >10 patients...
March 15, 2018: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/29535899/symptomatic-post-endarterectomy-common-carotid-artery-pseudoaneurysm-treated-with-combination-of-flow-diverter-implantation-and-carotid-stenting
#15
Michael Young, Greg Imbarrato, Ajeet Gordhan
A 74-year-old male developed cervical carotid artery psuedoaneurysm 8 months after carotid endarterectomy. The patient was successfully managed with dual implantation of flow-diverter and conventional carotid stent. Flow-diverter was placed across the neck of pseudoaneurysm to provide flow diversion while carotid stent was implanted within the lumen of the expanded flow-diverter to approximate and hold the flow diverter proximal and distal to the pseudoaneurysm. Follow-up ultrasonography revealed complete resolution of the pseudoaneurysm...
March 2018: Neurointervention
https://www.readbyqxmd.com/read/29535895/the-combined-use-of-intraluminal-and-intrasaccular-flow-diversion-for-the-treatment-of-intracranial-aneurysms-report-of-25-cases
#16
Pervinder Bhogal, Muhammad AlMatter, Victoria Hellstern, Oliver Ganslandt, Hansjörg Bäzner, Hans Henkes, Marta Aguilar-Pérez
Purpose: The Medina Embolic Device (MED) is a new intrasaccular device with promising early results. Previously we documented our initial experience of this device both alone and in combination with other devices including flow diverter stents (FDS). We sought to determine the effect of the MED + FDS strategy for the treatment of selected aneurysms. Materials and Methods: We performed a retrospective analysis of prospectively collected data to identify all patients with aneurysms treated using both the MED and intraluminal FDS...
March 2018: Neurointervention
https://www.readbyqxmd.com/read/29526065/nationwide-mortality-data-after-flow-diverting-stent-implantation-in-korea
#17
Tackeun Kim, O-Ki Kwon, Heeyoung Lee, Min Jai Cho, Hyun Jean Jeong, Seung Pil Ban
OBJECTIVE: To investigate nationwide statistics on flow-diverting stent usage for cerebral aneurysm treatment and related mortality data. METHODS: We requested data extraction from the National Health Insurance Service claims database using electronic data interchange codes (J3207064, J3207073). Patient and hospital information as well as death statistics were collected from the database. RESULTS: A total of 169 procedures were performed using flow-diverting stents for cerebral aneurysm treatment from November 2014 to December 2016 in Korea...
March 2018: Journal of Korean Neurosurgical Society
https://www.readbyqxmd.com/read/29516113/treatment-of-unruptured-saccular-anterior-choroidal-artery-aneurysms-with-flow-diversion-a-single-centre-experience
#18
P Bhogal, O Ganslandt, H Bäzner, H Henkes, M Aguilar Perez
BACKGROUND: The region of the brain supplied by the anterior choroidal artery (AChoA) is exquisitely eloquent. Aneurysms arising at or close to the origin of the vessel are not uncommon and damage or occlusion to the vessel can result in devastating consequences. The optimal treatment strategy is yet to be determined. OBJECTIVE: We sought to determine the efficacy of flow diversion for the treatment of unruptured AChoA aneurysms. METHOD: A retrospective review of our prospectively maintained database was performed to identify all patients with unruptured aneurysms of the AChoA between March 2009 and May 2017...
March 7, 2018: Clinical Neuroradiology
https://www.readbyqxmd.com/read/29511117/phosphorylcholine-surface-modified-flow-diverter-associated-with-reduced-intimal-hyperplasia
#19
Jildaz Caroff, Takamitsu Tamura, Robert M King, Pedro N Lylyk, Erin T Langan, Olivia W Brooks, Frédéric Clarençon, John Michael Wainwright, Laurent Spelle, Miklos Marosfoi, Matthew J Gounis, Ajit S Puri
BACKGROUND: Optical coherence tomography (OCT) is a high-resolution, intra-vascular diagnostic technique widely used for the characterization of vascular pathologies and optimization of stent implantation during percutaneous coronary intervention. OCT was used to investigate the in vivo vascular response to a new phosphorylcholine surface modified flow diverter (sPED). METHODS: In an in vivo rabbit aneurysmal model, we used two different types of flow diverters (classic Pipeline - cPED; and sPED) with or without dual antiplatelet therapy (four groups, n=10 per group)...
March 6, 2018: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/29509490/safety-of-prasugrel-loading-in-ruptured-blister-like-aneurysm-treated-with-a-pipeline-device
#20
Rajsrinivas Parthasarathy, Vipul Gupta, Aditya Gupta
OBJECTIVE: Blister like aneurysm (BLA) is extremely challenging to treat; endoluminal reconstruction has emerged as the most promising treatment method. When to treat after the ictus, the timing of administration of antiplatelet and causal relationship between platelet function testing results and thrombo-embolism is unclear. We theorized that Prasugrel with a lower incidence of resistance may be a safe suitable alternative to clopidogrel in patients treated with a flow diverter (FD)...
March 22, 2018: British Journal of Radiology
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