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Stent cerebral aneurysm

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https://www.readbyqxmd.com/read/29240061/-hybrid-treatment-of-patients-with-aneurysms-and-dissections-of-the-aortic-arch-and-descending-portion-of-the-thoracic-aorta
#1
V V Shlomin, M L Gordeev, D A Zverev, E A Shloĭdo, V E Uspenskiĭ, E D Zvereva, P B Bondarenko, P D Puzdriak
The authors share herein their experience with hybrid surgical treatment of 21 patients presenting with lesions of the aortic arch and descending thoracic aorta. Aortic pathology included dissection of the thoracoabdominal aorta (n=15), a sacciform aneurysm of the aortic arch (n=5), and a spindle-shaped aneurysm of the distal portions of the aortic arch (n=1). The first stage consisted of the following operations: transposition of the left subclavian artery into the left common carotid artery (n=9; 42.8%), partial debranching (n=11; 52...
2017: Angiologii︠a︡ i Sosudistai︠a︡ Khirurgii︠a︡, Angiology and Vascular Surgery
https://www.readbyqxmd.com/read/29214402/decision-making-and-neurosurgeons-agreement-in-the-management-of-aneurysmal-subarachnoid-haemorrhage-based-on-computed-tomography-angiography
#2
Nicolai Maldaner, Jan-Karl Burkhardt, Martin Nikolaus Stienen, Johannes Goldberg, David Bervini, Philippe Bijlenga, Davide Croci, Daniel Zumofen, Donato D'Alonzo, Serge Marbacher, Rodolfo Maduri, Roy Thomas Daniel, Carlo Serra, Giuseppe Esposito, Marian C Neidert, Oliver Bozinov, Luca Regli
BACKGROUND: To determine the neurosurgeon's agreement in aneurysmal subarachnoid haemorrhage (aSAH) management with special emphasis on the rater's level of experience. A secondary aim was to analyse potential aneurysm variables associated with the therapeutic recommendation. METHOD: Basic clinical information and admission computed tomography angiography (CTA) images of 30 consecutive aSAH patients were provided. Twelve neurosurgeons independently evaluated aneurysm characteristics and gave recommendations regarding the emergency management and aneurysm occlusion therapy...
December 7, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/29211861/spontaneous-microguidewire-extrusion-from-the-foot-following-cerebral-aneurysm-treatment-first-case-report
#3
Kurdow Nader, Saleh Lamin, Joseph Leyon, Swarupsinh Chavda, Allan Thomas, Sarin Kuruvath
BACKGROUND AND IMPORTANCE: Microguidewire entrapment and failure related to endovascular therapy is a rare complication with limited case reports available, most of which are from cardiac endovascular intervention. Migration of the microguidewire has been reported in coronary intervention with some resulting in severe complications, but there are no reported cases of spontaneous extrusion of wire fragment following a neurointerventional procedure. We report the first case of a microguidewire entrapment with subsequent fracture, followed by spontaneous extrusion of the wire fragment...
November 29, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29192856/management-of-antiplatelet-therapy-in-patients-undergoing-neuroendovascular-procedures
#4
Keri S Kim, Justin F Fraser, Stephen Grupke, Aaron M Cook
Neuroendovascular techniques for treating cerebral aneurysms and other cerebrovascular pathology are increasingly becoming the standard of care. Intraluminal stents, aneurysm coils, and other flow diversion devices typically require concomitant antiplatelet therapy to reduce thromboembolic complications. The variability inherent with the pharmacodynamic response to common antiplatelet agents such as aspirin and clopidogrel complicates optimal selection of antiplatelet agents by clinicians. This review serves to discuss the literature related to antiplatelet use in neuroendovascular procedures and provides recommendations for clinicians on how to approach patients with variable response to antiplatelet agents, particularly clopidogrel...
December 1, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/29191548/evaluation-of-enterprise-stent-assisted-coiling-and-telescoping-stents-technique-as-treatment-of-supraclinoid-blister-aneurysms-of-internal-carotid-artery
#5
Ding Xu, Changwei Zhang, Ting Wang, Chaohua Wang, David F Kallmes, Giuseppe Lanzino, Chao You, Xiaodong Xie
BACKGROUND: and Purpose: Supraclinoid blister aneurysms (BAs) of the internal carotid artery (ICA) are uncommon and deadly, and appropriate treatment is controversial. Endovascular reconstruction may allow treatment through aneurysm isolation. We report a single institution experience of Enterprise stent assisted coiling (ESAC) in the treatment of BAs to appraise safety and efficacy. MATERIALS AND METHODS: Patients treated with ESAC for a BA at our institution from 2013-16 were retrospectively included in this study...
November 27, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/29171364/endovascular-embolization-of-branch-incorporated-cerebral-aneurysms
#6
Yasuhiro Kawabata, Takuya Nakazawa, Shunichi Fukuda, Satoru Kawarazaki, Tomokazu Aoki, Takumi Morita, Tetsuya Tsukahara
Objectives The aim of this study was to examine the feasibility, technique, and clinical and angiographic outcomes of endovascular coiling to treat a cerebral aneurysm with a branch incorporated into the aneurysmal wall. Methods From 2012 to 2016, 25 patients with 26 cerebral aneurysms having a branch incorporated into the aneurysm (9 unruptured, 17 ruptured) were treated to prevent rupture or re-bleeding from the sac while preserving the incorporated branch by using single-catheter ( n = 18), balloon-remodeling ( n = 4), stent-assisted coiling ( n = 3), or double-catheter ( n = 1) techniques...
December 2017: Neuroradiology Journal
https://www.readbyqxmd.com/read/29159154/horizontal-stent-assisted-coiling-of-wide-neck-basilar-tip-aneurysm-comparison-of-two-cases
#7
Young Jin Kim, Jae Hoon Sung, Jae Taek Hong, Sang Won Lee
Currently, endovascular coiling is a popular treatment for basilar tip aneurysms, which usually involve a wide neck. Serious complications can occur when the posterior cerebral artery (PCA) originating from a wide neck is not properly preserved. Accordingly, various adjunctive procedures using stents or a balloon have been introduced. Herein we report two cases of basilar tip aneurysms in which retrograde horizontal (from one PCA to the other PCA) stent-assisted coiling was successful, and we provide a summary of the important technical points...
September 2017: Journal of Cerebrovascular and Endovascular Neurosurgery
https://www.readbyqxmd.com/read/29146831/stent-assisted-coiling-of-cerebral-aneurysms-a-single-center-clinical-and-angiographic-analysis
#8
Jun Wang, Jan Vargas, Alejandro Spiotta, Imran Chaudry, Raymond D Turner, Jonathan Lena, Aquilla Turk
OBJECTIVE: This study retrospectively compared the clinical and angiographic outcomes of treating cerebral aneurysms with Neuroform (NEU), Enterprise (EP), and Low-profile Visualized Intraluminal Support (LVIS/LVIS Jr) stents. MATERIALS AND METHODS: We conducted a retrospective analysis of a procedural database. All aneurysm procedures using any of the three types of self-expanding nitinol stents (NEU, EP and LVIS/LVIS Jr) were included. Intra-procedure complications, post-procedure complications, and angiographic results (Raymond-Roy grade scale, RRGS) were analyzed retrospectively...
November 16, 2017: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/29146726/endovascular-rescue-treatment-through-stent-positioning-after-surgical-clipping-of-intracranial-aneurysms-complicated-by-parent-artery-obstruction
#9
Giovanni Vitale, Giacomo Talenti, Joseph Gabrieli, Giacomo Cester, Alessandro Della Puppa, Francesco Causin
During aneurysm clipping, ischemic complications may occur and require a rescue treatment, usually surgical. We present two such cases that required urgent rescue treatment, performed through an endovascular route. Our first case presented with a non-ruptured right posterior inferior cerebellar artery (PICA) aneurysm. After permanent clip positioning, occlusion of the PICA occurred. An unsuccessful attempt of clip repositioning was performed. We therefore positioned a stent obtaining complete flow restoration...
November 16, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/29118799/optional-endovascular-therapy-of-dissecting-posterior-cerebral-artery-aneurysm
#10
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/29117396/orthogonal-catheter-access-for-stent-assisted-coiling-of-posterior-cerebral-artery-aneurysm
#11
Joshua Bakhsheshian, Brian P Walcott, William J Mack
No abstract text is available yet for this article.
May 10, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29107726/systematic-review-of-web-for-wide-necked-bifurcation-aneurysms-complications-adequate-occlusion-rate-morbidity-and-mortality
#12
REVIEW
Xianli Lv, Yupeng Zhang, Weijian Jiang
BACKGROUND: Although the Woven EndoBridge (WEB, Sequent Medical, Aliso Viejo, California, USA) is a highly innovative technique for the endovascular treatment of wide-necked bifurcation aneurysms, there are no studies available comparing this technique to surgical results are other endovascular results of stent assisted coiling or balloon assisted coiling for wide necked aneurysms. OBJECTIVE: This study was to assess complications, complete occlusion rate and morbidity and mortality of WEB in WNBA treatment...
October 28, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/29103055/modification-of-hemodynamics-in-basilar-artery-aneurysm-by-the-single-and-y-stent-placement1
#13
Tatsuya Matsuda, Yasumasa Ito, Kohei Masunaga, Yasuhiko Sakai, Keiko Irie, Koji Iwano, Koji Nagata
BACKGROUND: Stent placement can change the hemodynamics in basilar artery aneurysms. However, the effects of the stent placement can depend on the angle of vessel bifurcation. OBJECTIVE: The hemodynamics in and near the aneurysm are investigated for two angles of vessel bifurcation and two stent models. Some statistical indexes are calculated to evaluate the effects of the stent placements on the possibility of aneurysm rupture. METHODS: Computational fluid dynamics simulations and phantom model experiments are performed...
October 23, 2017: Technology and Health Care: Official Journal of the European Society for Engineering and Medicine
https://www.readbyqxmd.com/read/29099296/dual-antiplatelet-therapy-in-aneurysmal-subarachnoid-hemorrhage-association-with-reduced-risk-of-clinical-vasospasm-and-delayed-cerebral-ischemia
#14
Yasunori Nagahama, Lauren Allan, Daichi Nakagawa, Mario Zanaty, Robert M Starke, Nohra Chalouhi, Pascal Jabbour, Robert D Brown, Colin P Derdeyn, Enrique C Leira, Joseph Broderick, Marc Chimowitz, James C Torner, David Hasan
OBJECTIVE Clinical vasospasm and delayed cerebral ischemia (DCI) are devastating complications of aneurysmal subarachnoid hemorrhage (aSAH). Several theories involving platelet activation have been postulated as potential explanations of the development of clinical vasospasm and DCI. However, the effects of dual antiplatelet therapy (DAPT; aspirin and clopidogrel) on clinical vasospasm and DCI have not been previously investigated. The objective of this study was to evaluate the effects of DAPT on clinical vasospasm and DCI in aSAH patients...
November 3, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/29077162/stent-assisted-coiling-embolization-of-middle-cerebral-artery-trifurcation-wide-necked-aneurysms
#15
Y Chen, Y Zhang, Y-J Chao, G Gao, C-S Ni, X-M Fu, J-J Wei, D-Q Gu, J Yu
OBJECTIVE: The aim of this study was to examine the effects of stent-assisted coiling embolization of middle cerebral artery (MCA) trifurcation wide-necked aneurysms in clinical practice. PATIENTS AND METHODS: 57 patients with MCA trifurcation wide-necked aneurysms underwent stent-assisted coiling embolization using a solitaire AB stent. All 57 patients completed the surgery successfully. Embolization efficacy was graded according to the modified Raymond scale. RESULTS: There were 52 cases of complete embolization, 4 cases of residual aneurysm neck, and 1 case of residual aneurysm body...
October 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29060624/sensitivity-study-on-modelling-a-flow-diverting-stent-as-a-porous-medium-using-computational-fluid-dynamics
#16
Yujie Li, Mingzi Zhang, David I Verrelli, William Yang, Winston Chong, Makoto Ohta, Yi Qian
The flow-diverting (FD) stent has become a commonly used endovascular device to treat cerebral aneurysms. This discourages blood from entering the aneurysm, thereby reducing the likelihood of aneurysm rupture. Using computational fluid dynamics (CFD) to simulate the aneurysmal haemodynamics after FD treatment could help clinicians predict the stent effectiveness prior to the real procedure in the patient. As an alternative to modelling the stent as a fine wire mesh, modelling the FD stent as a porous medium was established to save computational time, and has also been proved capable of predicting the same haemodynamics as obtained using the real FD stent geometry...
July 2017: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/29051205/two-center-experience-in-the-endovascular-treatment-of-ruptured-and-unruptured-intracranial-aneurysms-using-the-web-device-a-retrospective-analysis
#17
J Popielski, A Berlis, W Weber, S Fischer
BACKGROUND AND PURPOSE: The safety and efficacy of the Woven EndoBridge (WEB) device for the treatment of cerebral aneurysms has been investigated in several studies. Our objective was to report the experience of 2 neurovascular centers with the WEB device in the treatment of broad-based intracranial aneurysms, including the technical feasibility and safety as well as short- and midterm angiographic and clinical follow-up-results. MATERIALS AND METHODS: We performed a retrospective analysis of all ruptured and unruptured aneurysms treated with a WEB device (WEB Single-Layer and Single-Layer Sphere) between August 2014 and February 2017...
October 19, 2017: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/29046918/flow-diverter-treatment-of-cerebral-blister-aneurysms
#18
Russell Cerejo, Mark Bain, Seby John, Julian Hardman, Nina Moore, M Shazam Hussain, Gabor Toth
PURPOSE: Blood blister-like aneurysms (BBA) are small, friable, broad-based aneurysms that represent high risk for rerupture. Treatment of BBA is challenging, and may include surgical wrapping, clipping, multiple overlapping stents, and/or coiling. Flow diversion is a rapidly evolving treatment strategy for intracranial aneurysms, but the evidence for its use in cases of BBA is scarce. METHODS: A retrospective review of flow-diverter-treated, ruptured BBA cases at our tertiary care institution was undertaken...
December 2017: Neuroradiology
https://www.readbyqxmd.com/read/29038409/-total-arch-replacement-for-distal-arch-aneurysm-with-isolated-left-vertebral-artery-report-of-a-case
#19
Motonori Uchino, Masaru Yoshikai, Hisashi Sato, Jun Osaki
We herein present a case of distal aortic arch aneurysm with an isolated left vertebral artery(LVA). In surgery, after establishing cardiopulmonary bypass, the LVA was anastomosed to the left common carotid artery (LCCA) while under moderate hypothermia. Selective cerebral perfusion (SCP) was then initiated by inserting catheters into the brachiocephalic artery( BCA), the LCCA and the left subclavian artery (LSA). The aorta was transected between the BCA and the LCCA, and an open stent graft was deployed into the descending aorta during circulatory arrest...
October 2017: Kyobu Geka. the Japanese Journal of Thoracic Surgery
https://www.readbyqxmd.com/read/28994832/carotid-endarterectomy-for-treatment-of-carotid-in-stent-restenosis-long-term-follow-up-results-and-surgery-experiences-from-one-single-centre
#20
Le-Bao Yu, Wei Yan, Qian Zhang, Ji-Zong Zhao, Yan Zhang, Rong Wang, Jun-Shi Shao, Dong Zhang
OBJECTIVE: Few studies have reported the surgical treatment of carotid in-stent restenosis (ISR), more data and longer follow-up are needed. We describe the surgical treatment of ISR by standard carotid endarterectomy (CEA) with stent removal, including long-term follow-up in 10 patients from our centre. METHODS: Ten patients from our centre who underwent CEA with stent removal for ISR were retrospectively analysed, including nine symptomatic and one asymptomatic ISR of at least 70% with mean age 67...
September 2017: Stroke and Vascular Neurology
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