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Stent cerebral aneurysm

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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
#1
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
https://www.readbyqxmd.com/read/28982785/treatment-of-middle-cerebral-artery-aneurysms-with-flow-diverter-stents-a-systematic-review-and-meta-analysis
#2
F Cagnazzo, D Mantilla, P-H Lefevre, C Dargazanli, G Gascou, V Costalat
BACKGROUND: The safety and efficacy of flow-diversion treatment of MCA aneurysms have not been well-established. PURPOSE: Our aim was to evaluate angiographic and clinical outcomes after flow diversions for MCA aneurysms. DATA SOURCES: A systematic search of PubMed, MEDLINE, and Embase was performed for studies published from 2008 to May 2017. STUDY SELECTION: According to Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines, we selected studies with >5 patients describing angiographic and clinical outcomes after flow-diversion treatment of MCA aneurysms...
October 5, 2017: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/28962962/a-patient-with-a-recurrent-anterior-cerebral-artery-dissecting-aneurysm-after-stent-assisted-coil-embolization-successfully-treated-with-a3-a3-anastomosis
#3
Yoshiharu Takahashi, Hidenori Endo, Toshiki Endo, Miki Fujimura, Kuniyasu Niizuma, Teiji Tominaga
BACKGROUND: With recent advances in endovascular devices and techniques, the use of endovascular treatment has been reported for intracranial dissecting aneurysms. However, the efficacy of this endovascular approach for intracranial dissection is still unknown. We report the case of a patient with a recurrent anterior cerebral artery (ACA) dissecting aneurysm after endovascular treatment. CASE DESCRIPTION: A 67-year-old woman underwent stent-assisted coil embolization for a ruptured ACA dissecting aneurysm of the left A2 segment...
September 26, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28919570/initial-clinical-experience-with-aview-a-clinical-computational-platform-for-intracranial-aneurysm-morphology-hemodynamics-and-treatment-management
#4
Jianping Xiang, Nicole Varble, Jason M Davies, Ansaar T Rai, Kenichi Kono, Shin-Ichiro Sugiyama, Mandy J Binning, Rabih G Tawk, Hoon Choi, Andrew J Ringer, Kenneth V Snyder, Elad I Levy, L Nelson Hopkins, Adnan H Siddiqui, Hui Meng
BACKGROUND: Intracranial aneurysm (IA) management is challenging. Clinicians often rely on varied and intuitively disparate ways of evaluating rupture risk that may only partially take into account complex hemodynamic and morphologic factors. We developed a prototype of a clinically-oriented, streamlined, computational platform, AView, for rapid assessment of hemodynamics and morphometrics in clinical settings. To show the potential clinical utility of AView, we report our initial multicenter experience highlighting the possible advantages of morphologic and hemodynamic analysis of IAs...
September 14, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28906352/clinical-and-angiographic-outcomes-following-endovascular-treatment-of-very-small-3%C3%A2-mm-or-smaller-intracranial-aneurysm-a-single-center-experience
#5
Yongsheng Liu, Feng Wang, Xiaochen Fu, Yongjian Liu, Guodong Zhang, Ke Xu
Treatments for very small (3 mm or smaller) intracranial aneurysms (VSAs) remain controversial. The aim of this study was to evaluate the efficacy of endovascular treatment for VSAs and to evaluate clinical risk factors associated with complications.This retrospective study enrolled 82 VSA patients who underwent coil embolization in our institution. Angiographic outcomes were assessed according to the Meyers classification. The clinical results were evaluated using the modified Rankin scale (mRS) immediately after coiling, at discharge, and during follow-up...
September 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28904796/endovascular-management-of-symptomatic-cerebral-aneurysm-thromboembolism-due-to-pre-aneurysmal-arterial-stenosis
#6
Torin Karsonovich, Ajeet Gordhan
BACKGROUND: Pre-aneurysmal internal carotid steno-occlusive disease resulting in cerebral intra-aneurysmal thrombosis and subsequent embolic infarction has not been previously described. CONCLUSION: Antithrombotic treatment for dissolution of the thrombus and pre-aneurysmal stent angioplasty followed by Pipeline embolization flow diverter placement through the aneurysm is a safe and feasible management option.
2017: SAGE open medical case reports
https://www.readbyqxmd.com/read/28870111/the-anatomical-variation-of-the-circulus-arteriosus-cerebri-in-a-cadaver-cohort-representing-the-population-dynamics-of-the-western-cape
#7
Karen Cilliers, Willie Vorster, Benedict John Page
The literature revealed a connection between the variations of the Circulus arteriosus cerebri (CAC) and cerebrovascular disease, ischemia, stroke, aneurysms and atherosclerosis. The diameters of the vessels forming the CAC have been classified into 22 types by previous authors. The aim of this study was to assess the variation of the CAC (diameter, length and anomalies) in a cadaver cohort representing the population of the Western Cape. Thirty-nine subjects (female n = 11, male n = 28) who had died of causes unrelated to brain trauma, were obtained from Stellenbosch University...
September 5, 2017: British Journal of Neurosurgery
https://www.readbyqxmd.com/read/28845874/-the-frozen-elephant-trunk-technique-for-the-treatment-of-complex-lesions-of-the-thoracic-aorta
#8
Luca Di Marco, Davide Pacini, Alessandro Leone, Antonio Pantaleo, Giacomo Murana, Roberto Di Bartolomeo
The treatment of patients with extensive disease of the thoracic aorta represents a formidable challenge for the cardiovascular surgeon. The beginning of thoracic aortic endovascular aortic arch repair has promoted the development of different hybrid approaches as the frozen elephant trunk (FET) strategy, which includes classic arch replacement and antegrade stenting of the descending thoracic aorta. It represents an interesting approach for patients with extensive disease of the thoracic aorta, and its application has significantly increased over recent years...
September 2017: Giornale Italiano di Cardiologia
https://www.readbyqxmd.com/read/28839527/a-new-imaging-tool-for-realtime-measurement-of-flow-velocity-in-intracranial-aneurysms
#9
Athanasios K Petridis, Marius Kaschner, Jan F Cornelius, Marcel A Kamp, Angelo Tortora, Hans-Jakob Steiger, Bernd Turowski
With modern imaging modalities of the brain a significant number of unruptured aneurysms are detected. However, not every aneurysm is prone to rupture. Because treatment morbidity is about 10% it is crucial to identify unstable aneurysms for which treatment should be discussed. Recently, new imaging tools allow analysis of flow dynamics and wall stability have become available. It seems that they might provide additional data for better risk profiling. In this study we present a new imaging tool for analysis of flow dynamics, which calculates fluid velocity in an aneurysm (Phillips Electronics, N...
June 7, 2017: Clinics and Practice
https://www.readbyqxmd.com/read/28834890/therapeutic-effect-of-enterprise-stent-assisted-embolization-for-very-small-ruptured-intracranial-aneurysms
#10
Feiyun Qin, Zhenbao Li, Xinggen Fang, Xintong Zhao, Jiaqiang Liu, Degang Wu, Niansheng Lai
Enterprise stent has been widespread used in wide-necked intracranial aneurysms and good efficacy has been achieved, but there are few reports on its applications in very small ruptured intracranial aneurysms in literatures. This study aimed to evaluate the safety and efficacy of Enterprise stent-assisted coiling embolization of very small ruptured intracranial aneurysms.We retrospectively reviewed the clinical and imaging data from 37 patients with very small ruptured intracranial aneurysms who had SAC using Enterprise stents performed from February 2012 to July 2016 in our department...
August 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28826708/occlusion-status-on-magnetic-resonance-angiography-is-associated-with-risk-of-delayed-ischemic-events-in-cerebral-aneurysms-treated-with-stent-assisted-coiling
#11
Takayuki Kikuchi, Akira Ishii, Hideo Chihara, Daisuke Arai, Mitsushige Ando, Yohei Takenobu, Tomohisa Okada, Yasushi Takagi, Susumu Miyamoto
OBJECTIVE: Management after stent-assisted coiling (SAC) for unruptured intracranial aneurysm is sometimes difficult because close monitoring for ischemic events for a long period of time after the procedure is necessary. The purpose of this study was to clarify the usefulness of magnetic resonance angiography (MRA) at follow-up after SAC. METHODS: Sixty-six consecutive cases of SAC for unruptured intracranial aneurysm in our institute and affiliated hospitals were retrospectively reviewed for a delayed ischemic event...
August 4, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28754807/balloon-assisted-coil-embolization-and-large-stent-delivery-for-cerebral-aneurysms-with-a-new-generation-of-dual-lumen-balloons-copernic-2l
#12
Adrien Guenego, Jean-Baptiste Zerlauth, Francesco Puccinelli, Steven Hajdu, David C Rotzinger, Felix Zibold, Eike I Piechowiak, Pasquale Mordasini, Jan Gralla, Tomas Dobrocky, Roy T Daniel, René Chapot, Pascal J Mosimann
INTRODUCTION: Dual coaxial lumen balloon microcatheters through which small stents can be delivered have recently been described. We report a series of a new type of dual lumen balloon catheter with a parallel lumen design enabling enhanced inflation and deflation properties through which larger stents may be deployed, including flow diverters (FD). METHODS: All aneurysms that were treated with a Copernic 2L (COP2L) dual lumen balloon catheter at our institution between February 2014 and December 2016 were assessed...
July 28, 2017: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/28748256/bioresorbable-vascular-scaffolds-in-interventional-neuroradiology
#13
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/28728537/super-selective-coil-embolization-of-a-basilar-perforator-artery-aneurysm-previously-treated-by-the-stent-in-stent-technique-using-an-extremely-soft-bare-coil-delivered-through-a-one-marker-microcatheter
#14
Yves Chau, Marina Sachet, Jacques Sédat
Background Aneurysms of the perforating arteries arising from the basilar artery trunk are rare and represent a therapeutic challenge. Methods A basilar perforator aneurysm was initially treated by the stent-in-stent technique. Enlargement of the aneurysm was seen on follow up and the sac was secondarily coiled using two extremely soft bare coils, delivered through a one-marker microcatheter. Results At 6 months, the patient had a modified Rankin Scale score of 0 and cerebral arteriography demonstrated complete occlusion of the lesion...
October 2017: Interventional Neuroradiology
https://www.readbyqxmd.com/read/28697712/intravenous-administration-of-tirofiban-versus-loading-dose-of-oral-clopidogrel-for-preventing-thromboembolism-in-stent-assisted-coiling-of-intracranial-aneurysms
#15
Wang Zi-Liang, Liang Xiao-Dong, Li Tian-Xiao, Zhu Liang-Fu, Xue Jiang-Yu, Bai Wei-Xing, He Ying-Kun, Xu Gang-Qin, Shao Qiu-Ji, Li Li, Feng Guang, Li Zhao-Shuo
Background Thromboembolic complications after stenting of intracranial aneurysms may be affected by antiplatelet administration. Aims This retrospective study aimed to assess the safety of intravenous tirofiban versus loading dose of oral clopidogrel for preventing thromboembolism in stent-assisted coiling of intracranial aneurysms. Methods From January 2006 to December 2013, 281 patients with cerebral aneurysms were treated with stent-coiling using two antiplatelet strategies in comparison: the initial strategy (a loading dose of ≥300 mg clopidogrel followed by dual antiplatelet, clopidogrel group) and the modified strategy (intravenous administration of tirofiban 8 µg/kg over 3 min followed by a maintenance dose of 0...
July 2017: International Journal of Stroke: Official Journal of the International Stroke Society
https://www.readbyqxmd.com/read/28674346/diagnosis-and-treatment-of-traumatic-cerebrovascular-injury-pitfalls-in-the-management-of-neurotrauma
#16
Hitoshi Kobata
Traumatic cerebrovascular injury (TCVI) is an uncommon clinical entity in traumatic brain injury (TBI), yet it may cause devastating brain injury with high morbidity and mortality. Early recognition and prioritized strategic treatment are of paramount importance. A total of 1966 TBI patients admitted between 1999 and 2015 in our tertiary critical care center were reviewed. Screening of TCVI was based on the Guidelines for the Management of Severe Head Injury in Japan. TCVI was confirmed in 33 (1.7%) patients; 29 blunt and 4 penetrating injuries...
August 15, 2017: Neurologia Medico-chirurgica
https://www.readbyqxmd.com/read/28664011/mechanical-thrombectomy-in-the-treatment-of-distal-occlusions-during-coil-embolization-of-ruptured-intracranial-aneurysms
#17
Francesco Briganti, Giuseppe Leone, Mariano Marseglia, Carmela Chiaramonte, Domenico Solari, Ferdinando Caranci, Paolo Cappabianca, Francesco Maiuri
The experience in the management of thromboembolic complications of distal vessels during coil embolization using stent-retrievers in the setting of subarachnoid hemorrhage (SAH) is still limited. We report a case of 58-year-old woman with a ruptured small anterior communicating aneurysm who experienced during coil embolization a thromboembolic occlusion of the upper post-bifurcation branch of the middle cerebral artery. Mechanical thrombectomy with a stent-retriever (Solitaire, Covidien, Neurovascular) resulted in complete recanalization of the occluded branch with no ischemic complication...
October 2016: NMC Case Rep J
https://www.readbyqxmd.com/read/28626262/a-case-of-anterior-communicating-artery-aneurysm-successfully-treated-after-a-stent-migration-during-stent-assisted-endovascular-coil-embolization
#18
Tomotaka Ohshima, Andrey Belayev, Shunsaku Goto, Taiki Yamamoto, Kojiro Ishikawa, Yoko Kato
Stent migration is a complication associated with endovascular coil embolization of intracranial aneurysms. We report a case of anterior communicating artery (ACoA) aneurysm that was successfully treated after stent migration during endovascular coil embolization without retrieval of the stent. A 47-year-old man presented with sudden onset severe headache. Patient was noted to have subarachnoid hemorrhage from a ruptured ACoA aneurysm. Emergency endovascular coil embolization was performed. The second coil embolization was scheduled for the neck-remnant portion with a stent after 16 days from the initial operation...
February 2017: Nagoya Journal of Medical Science
https://www.readbyqxmd.com/read/28602923/successful-hybrid-neurovascular-surgery-for-a-ruptured-basilar-artery-dissecting-aneurysm-in-a-patient-with-jeopardized-collateral-circulation-associated-with-aortitis-syndrome
#19
Kazuaki Yamamoto, Takahisa Mori, Tsuyoshi Watanabe, Tomonori Iwata, Gakuji Gondo, Masahiko Tanaka, Satoshi Tanaka
BACKGROUND: Dissecting aneurysms of the basilar artery (BA) are rare lesions, and the management of them has been controversial and challenging. The treatment becomes much more difficult when the patient has a disorder such as aortitis syndrome, which makes cerebral arteries occluded and tortuous. We describe a case of a ruptured BA dissecting aneurysm associated with aortitis syndrome, successfully treated with hybrid neurovascular surgery. CASE DESCRIPTION: A 64-year-old woman with a medical history of aortitis syndrome developed a severe headache and was diagnosed with a subarachnoid hemorrhage from a BA dissecting aneurysm...
September 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28594797/-single-centre-experience-with-implantation-of-the-e-vita-open-plus-hybrid-stent-graft
#20
B N Kozlov, D S Panfilov, V V Saushkin, M S Kuznetsov, G G Nasrashvili, A V Andriianova, V M Shipulin
Hybrid technologies appear to have been gaining ground in surgery of the thoracic aorta. The present study was aimed at assessing the immediate clinical outcomes of surgical treatment of diseases of the thoracic aorta by means of the 'E-vita open plus' hybrid stent graft. The 'E-vita open plus' hybrid stent graft was implanted to 18 patients. All operations were carried out in the conditions of moderate hypothermia. The brain was protected by unilateral cerebral perfusion through the brachiocephalic trunk. The duration of artificial circulation averagely amounted to 265...
2017: Angiologii︠a︡ i Sosudistai︠a︡ Khirurgii︠a︡, Angiology and Vascular Surgery
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