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Intracranial Fusiform aneurysm

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https://www.readbyqxmd.com/read/29216501/smart-coils-for-intracranial-aneurysm-embolization-initial-outcomes
#1
Adeel Ilyas, Thomas J Buell, Ching-Jen Chen, Dale Ding, Daniel M S Raper, Davis G Taylor, Jennifer D Sokolowski, Kenneth C Liu
OBJECTIVES: Endovascular technology for the treatment of intracranial aneurysms continues to rapidly evolve. The SMART coil (Penumbra Inc., Alameda, CA, USA) is a novel microcoil designed to enhance deliverability. The aim of this single-center, retrospective cohort study is to assess the initial outcomes after aneurysm embolization using SMART coils. PATIENTS AND METHODS: We reviewed consecutive patients with intracranial aneurysms who underwent endovascular embolization using SMART coils from June 2016 to January 2017...
December 2, 2017: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/29140523/sequential-coiling-assisted-deployment-of-flow-diverter-for-treatment-of-fusiform-middle-cerebral-artery-aneurysms
#2
Abdulrahman Y Alturki, Philip G R Schmalz, Christopher S Ogilvy, Ajith J Thomas
BACKGROUND AND IMPORTANCE: Fusiform intracranial aneurysms remain challenging lesions to treat. These aneurysms have historically required bypass procedures or clip remodeling constructs for cure. Recently, endovascular specialists have reported experience with flow diversion for complex fusiform aneurysms of the vertebrobasilar system, with mixed results. Vascular anatomy for anterior circulation fusiform aneurysms may make these lesions more amenable to flow diversion and embolization procedures; however, published experience with these techniques is lacking...
November 11, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29131823/prevalence-of-extracranial-carotid-artery-aneurysms-in-patients-with-an-intracranial-aneurysm
#3
V E C Pourier, C J H C M van Laarhoven, M D I Vergouwen, G J E Rinkel, Gert J de Borst
BACKGROUND AND PURPOSE: Aneurysms in various arterial beds have common risk- and genetic factors. Data on the correlation of extracranial carotid artery aneurysms (ECAA) with aneurysms in other vascular territories are lacking. We aimed to investigate the prevalence of ECAA in patients with an intracranial aneurysm (IA). METHODS: We used prospectively collected databases of consecutive patients registered at the University Medical Center Utrecht with an unruptured intracranial aneurysm (UIA) or aneurysmal Subarachnoid hemorrhage (SAH)...
2017: PloS One
https://www.readbyqxmd.com/read/29118799/optional-endovascular-therapy-of-dissecting-posterior-cerebral-artery-aneurysm
#4
Mohamed Wael Osman, Krzysztof Kadziolka, Laurent Peirot
BACKGROUND: Posterior cerebral artery aneurysms are uncommon, with an occurrence rate of less than 1% of intracranial aneurysms. They have various shapes, including saccular and fusiform. Dissecting aneurysms may occur in distal posterior cerebral artery and they may affect the whole artery. Endovascular therapy is considered as a safe method of treatment and there are different techniques for endovascular therapy. SUMMARY: Posterior cerebral artery aneurysms are uncommon...
October 2017: Interventional Neurology
https://www.readbyqxmd.com/read/29105602/a-new-low-profile-visualized-intraluminal-support-lvis-device-lvis-blue-laboratory-comparison-between-old-and-new-lvis
#5
Joonho Chung, Yoshikazu Matsuda, Jessica Nelson, Kiffon Keigher, Demetrius K Lopes
Objectives The Low-profile Visualized Intraluminal Support (LVIS) device is a flexible intracranial stent. The first generation of this system had significant challenges in consistently providing good wall apposition and aneurysm neck coverage. A new modified LVIS, LVIS Blue (Blue), has been developed to address these issues. The purpose of this study is to report a laboratory comparison of wall apposition and aneurysm neck coverage between the original LVIS and Blue. Methods In bench-top experiments, we noted the visual appearance of the devices and evaluated changes in stent cell angles, neck coverage surface area (%), and stent cell crossing profile for microcatheters using a fusiform aneurysm model...
November 5, 2017: Neurological Research
https://www.readbyqxmd.com/read/29097416/hemodynamic-changes-caused-by-multiple-stenting-in-vertebral-artery-fusiform-aneurysms-a-patient-specific-computational-fluid-dynamics-study
#6
N Lv, W Cao, I Larrabide, C Karmonik, D Zhu, J Liu, Q Huang, Y Fang
BACKGROUND AND PURPOSE: The multiple stent placement technique has largely improved the long-term outcomes of intracranial fusiform aneurysms, but the hemodynamic mechanisms remain unclear. In this study, we analyzed the hemodynamic changes caused by different stent-placement strategies in patient-specific models using the computational fluid dynamics technique, aiming to provide evidence for clinical decision-making. MATERIALS AND METHODS: Ten vertebral artery fusiform aneurysms were included, and their patient-specific computational fluid dynamics models were reconstructed...
November 2, 2017: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/29080036/the-size-of-ruptured-intracranial-aneurysms-a%C3%A2-10-year-series-from-a%C3%A2-single-center
#7
Muhammad AlMatter, P Bhogal, M Aguilar Pérez, S Schob, V Hellstern, H Bäzner, O Ganslandt, H Henkes
PURPOSE: There is a controversy concerning the risk of rupture of small intracranial aneurysms. We sought to determine the size and morphological features of ruptured intracranial aneurysms. MATERIAL AND METHODS: The hospital files and images from all patients referred during one decade (2007-2016) to a specialized neurovascular center were retrospectively reviewed. Neck diameter, fundus depth and width as well as neck width based on catheter angiography were measured...
October 27, 2017: Clinical Neuroradiology
https://www.readbyqxmd.com/read/29059792/in-reply-to-the-letter-to-the-editor-imaging-classification-and-treatment-of-spontaneous-intracranial-fusiform-and-dissecting-aneurysms
#8
Yisen Zhang, Jian Liu, Xinjian Yang
No abstract text is available yet for this article.
November 2017: World Neurosurgery
https://www.readbyqxmd.com/read/29059791/imaging-classification-and-treatment-of-spontaneous-intracranial-fusiform-and-dissecting-aneurysms
#9
Behnam Rezai Jahromi, Juha E Jääskeläinen, Mika Niemelä
No abstract text is available yet for this article.
November 2017: World Neurosurgery
https://www.readbyqxmd.com/read/29018651/a-case-of-vertebral-artery-fusiform-aneurysm-treated-by-flow-alteration-successful-prediction-of-therapeutic-effects-using-computational-fluid-dynamics
#10
Yoichi Miura, Fujimaro Ishida, Yusuke Kamei, Masanori Tsuji, Masato Shiba, Hiroshi Tanemura, Yasuyuki Umeda, Shinichi Shimosaka, Hidenori Suzuki
The treatment of intracranial complicated aneurysms remains challenging. In patients with complicated aneurysms that are neither clippable nor coilable, flow alteration treatment (FAT) with a combined procedure of proximal/distal occlusion or trapping of an aneurysm with bypass surgery has been reported. However, it is difficult to predict whatever FAT can achieve aneurysmal obliteration without ischemic complications. A 69-year-old female was incidentally diagnosed with a left vertebral artery (VA) fusiform aneurysm distal to the left posterior inferior cerebellar artery (PICA)...
October 2017: NMC Case Report Journal
https://www.readbyqxmd.com/read/28986225/pediatric-intracranial-aneurysms-considerations-and-recommendations-for-follow-up-imaging
#11
REVIEW
Michael George Zaki Ghali, Visish M Srinivasan, Jacob Cherian, Louis Kim, Adnan Siddiqui, M Ali Aziz-Sultan, Michael Froehler, Ajay Wakhloo, Eric Savageau, Ansaar Rai, Stephen R Chen, Jeremiah Johnson, Sandi K Lam, Peter Kan
BACKGROUND: Pediatric intracranial aneurysms (IAs) are rare. Compared to adult IAs, they are more commonly giant, fusiform, or dissecting. Their treatment often proves more complex and recurrence rate and de novo aneurysmogenesis incidence is higher. A consensus regarding the most appropriate algorithm for following pediatric IAs is lacking. METHODS: We thus sought to generate recommendations based on the reported experience in the literature with pediatric IAs, through a thorough review of the Pubmed database, discussion with experienced neurointerventionalists, and our own experience...
October 3, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28945061/a-comparative-study-of-cfd-of-canine-model-of-common-carotid-fusiform-aneurysm-and-vertebrobasilar-fusiform-aneurysm-in-human-patients
#12
Shewei Guo, Peng Jiang, Jian Liu, Xinjian Yang, Chuhan Jiang, Youxiang Li, Zhongxue Wu
BACKGROUND: Intracranial fusiform aneurysm (IFA) is a relatively uncommon subgroup of aneurysms. There are few reports that focus on the hemodynamics of IFA. In this study, we compared the hemodynamics of the canine model of common carotid fusiform aneurysm and vertebrobasilar fusiform aneurysms in human patients. METHODS: Five male mongrel dogs were randomly chosen, and there unilateral common carotid artery (CCA) and external jugular vein were surgically exposed individually...
September 22, 2017: International Angiology: a Journal of the International Union of Angiology
https://www.readbyqxmd.com/read/28939539/falxuplication-a-novel-method-for-wrap-clipping-a-fusiform-aneurysm-a-technical-note
#13
Martin M Mortazavi, Tania Hassanzadeh, Kianoush Khalili, Sajid S Suriya, M Asif Taqi, Salman A Fard, R Shane Tubbs
BACKGROUND: Various techniques have been used for wrap-clipping a ruptured, fusiform intracranial aneurysm. However, there is no available literature on use of the falx cerebri for wrap-clipping. OBJECTIVE: We present a review of the literature with an illustrative case, with a ruptured fusiform pericallosal artery aneurysm firmly attached to the lower edge of the falx cerebri and not amenable to endovascular intervention. METHODS: While the firm attachment between the inferior falx and the fusiform aneurysm was maintained, a section of the lower thinner part of the falx cerebri firmly attached to the aneurysm was dissected and wrapped around the fusiform aneurysm, stabilized with a fenestrated clip...
September 19, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28922886/intracranial-bypass-of-posterior-inferior-cerebellar-artery-aneurysms-indications-technical-aspects-and-clinical-outcomes
#14
David J Bonda, Mohamad Labib, Jeffrey M Katz, Rafael A Ortiz, David Chalif, Avi Setton, David J Langer, Amir R Dehdashti
BACKGROUND: For some posterior inferior cerebellar artery (PICA) aneurysms, there is no constructive endovascular or direct surgical clipping option. Intracranial bypass is an alternative to a deconstructive technique. OBJECTIVE: To evaluate the clinical features, surgical techniques, and outcome of PICA aneurysms treated with bypass and obliteration of the diseased segment. METHODS: Retrospective review of PICA aneurysms treated via intracranial bypass was performed...
October 1, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28922877/use-of-a-polytetrafluoroethylene-coated-vascular-plug-for-focal-intracranial-parent-vessel-sacrifice-for-fusiform-aneurysm-treatment
#15
Andrew P Carlson, Mohammad Abbas, Patricia Hall, Christopher Taylor
BACKGROUND: Fusiform intracranial aneurysms are challenging due to the circumferential nature of the disease. Endovascular parent vessel sacrifice with coils may be a treatment option, but typically requires a long vessel segment to induce complete cessation of flow. OBJECTIVE:   We evaluate early clinical experience with the intracranial use of the microvascular plug (MVP; Medtronic, Dublin, Ireland) device and to compare to previous coil-only techniques for vertebral artery sacrifice for fusiform vertebral aneurysm...
October 1, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28899830/simple-lateral-suboccipital-approach-and-modification-for-vertebral-artery-aneurysms-a-study-of-52-cases-over-10-years
#16
Mardjono Tjahjadi, Behnam Rezai-Jahromi, Joseph Serrone, Ville Nurminen, Joham Choque-Velasquez, Riku Kivisaari, Hanna Lehto, Mika Niemelä, Juha Hernesniemi
INTRODUCTION: Complex skull base approaches are frequently used to treat intracranial vertebral artery (VA) and proximal posterior inferior cerebellar artery (PICA) aneurysms. These complex procedures are associated with higher risk of neurovascular injury. Hence, a less invasive surgical approach is needed to improve treatment's efficacy and safety. MATERIAL AND METHODS: A retrospective analysis was conducted on clinical and radiological data from surgeries where simple lateral suboccipital and "lateral enough" approaches were used to clip VA aneurysms in the Department of Neurosurgery at Helsinki University Central Hospital from 2000 - 2009...
September 9, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28748256/bioresorbable-vascular-scaffolds-in-interventional-neuroradiology
#17
Anil Arat, Ergun Daglioglu, Ilkay Akmangit, Ahmet Peker, Murat Arsava, Mehmet Akif Topcuoglu, Deniz Belen
PURPOSE: Bioresorbable vascular scaffolds (BVS) have changed practice patterns in cardiology. These resorbable stents have not yet been utilized in the cerebrovascular circulation. We report the initial experiences with these devices in interventional neuroradiology. METHODS: A retrospective review of clinical presentations, imaging findings and follow-up results of all patients treated using a BVS by our neurovascular team was carried out using hospital electronic charts and the hospital radiographic archive system...
July 26, 2017: Clinical Neuroradiology
https://www.readbyqxmd.com/read/28715558/prevalence-of-intracranial-aneurysm-in-women-with-fibromuscular-dysplasia-a-report-from-the-us-registry-for-fibromuscular-dysplasia
#18
MULTICENTER STUDY
Henry D Lather, Heather L Gornik, Jeffrey W Olin, Xiaokui Gu, Steven T Heidt, Esther S H Kim, Daniella Kadian-Dodov, Aditya Sharma, Bruce Gray, Michael R Jaff, Yung-Wei Chi, Pamela Mace, Eva Kline-Rogers, James B Froehlich
Importance: The prevalence of intracranial aneurysm in patients with fibromuscular dysplasia (FMD) is uncertain. Objective: To examine the prevalence of intracranial aneurysm in women diagnosed with FMD. Design, Setting, and Participants: This cross-sectional study included 669 women with intracranial imaging registered in the US Registry for Fibromuscular Dysplasia, an observational disease-based registry of patients with FMD confirmed by vascular imaging and currently enrolling at 14 participating US academic centers...
September 1, 2017: JAMA Neurology
https://www.readbyqxmd.com/read/28578117/pipeline-embolization-device-in-treatment-of-50-unruptured-large-and-giant-aneurysms
#19
Nimer Adeeb, Christoph J Griessenauer, Hussain Shallwani, Hakeem Shakir, Paul M Foreman, Justin M Moore, Adam A Dmytriw, Raghav Gupta, Adnan H Siddiqui, Elad I Levy, Kenneth Snyder, Mark R Harrigan, Christopher S Ogilvy, Ajith J Thomas
INTRODUCTION: Treatment of large (≥20 mm) and giant (≥25 mm) intracranial aneurysms is challenging and can be associated with a high rate of morbidity and mortality. The Pipeline Embolization Device (PED) has been used effectively for the treatment of intracranial aneurysms achieving a high rate of complete occlusion. However, its safety and efficacy in treatment of large and giant aneurysms has not been evaluated fully. METHODS: A retrospective analysis of consecutive aneurysms treated with PED between 2009 and 2016 at 3 academic institutions within the United States was performed...
September 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28575128/neurofibromatosis-type-1-is-not-associated-with-subarachnoid-haemorrhage
#20
Arttu Kurtelius, Roope A Kallionpää, Jukka Huttunen, Terhi J Huttunen, Katariina Helin, Timo Koivisto, Juhana Frösen, Mikael von Und Zu Fraunberg, Sirkku Peltonen, Juha Peltonen, Juha E Jääskeläinen, Antti E Lindgren
BACKGROUND: The prevalence of intracranial aneurysms (IAs) has been proposed to be elevated in the patients with neurofibromatosis type 1 (NF1). Our aims were to determine the prevalence of NF1 in a large Finnish population based cohort of IA patients and, on the other hand, the occurrences of subarachnoid haemorrhage and unruptured intracranial aneurysms in a nationwide population-based cohort of NF1 patients and its matched ten-fold control cohort. METHODS: The Kuopio IA Database (www...
2017: PloS One
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