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Vertebrobasilar intracranial

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https://www.readbyqxmd.com/read/29696529/utility-of-the-variable-flip-angle-3d-fast-spin-echo-isofse-sequence-on-3t-mr-for-diagnosing-vertebrobasilar-artery-dissection
#1
Masaki Ogawa, Shingo Omata, Hirohito Kan, Nobuyuki Arai, Marehiko Asai, Misugi Urano, Yuta Shibamoto
We aimed to investigate the utility of the isoFSE sequence, one of the variable flip angle 3D fast-spin echo sequences, on 3T-MR for displaying vessel walls and diagnosing vertebrobasilar artery dissection (VAD). We retrospectively evaluated 12 initial and 28 follow-up images from 12 patients diagnosed with either intracranial VAD or carotid artery dissection. The image quality for displaying the vessel wall was scored using a five-point scale (1 poor, 5 excellent) on initial T1-weighted isoFSE images for each region of the arteries...
April 25, 2018: Radiological Physics and Technology
https://www.readbyqxmd.com/read/29460889/-cerebral-infarctions-in-vertebrobasilar-artery-atherosclerosis
#2
P L Anufriev, A N Evdokimenko, T S Gulevskaya
AIM: to obtain more specific information on the morphology and pathogenesis of cerebral infarctions occurring in vertebrobasilar artery (VBA) atherosclerosis. MATERIAL AND METHODS: Macro- and microscopic investigations of the brain, its arterial system, and heart were conducted in 69 autopsy cases with infarctions located in the vertebrobasilar system (VBS) in atherosclerosis. RESULTS: 69 cases were found to have 206 VBA infarctions of various extent and locations...
2018: Arkhiv Patologii
https://www.readbyqxmd.com/read/29362153/endovascular-treatment-of-intracranial-vertebrobasilar-artery-dissecting-aneurysms-parent-artery-occlusion-versus-flow-diverter
#3
Yi-Bin Fang, Amy Lin, Alex Kostynskyy, Ronit Agid, Mike Tymianski, Ivan Radovanovic, Timo Krings, Vitor Mendes Pereira
PURPOSE: To compare the safety and efficacy of endovascular parent artery occlusion (PAO) and flow diverter (FD) treatment in treating vertebrobasilar dissecting aneurysms (VBDAs). METHODS: A review of a prospective aneurysm database at our institution was performed to identify all consecutive patients with intracranial VBDAs managed with endovascular treatment, which were either PAO or FD. Clinical and imaging findings were compared between the two groups. RESULTS: A total of 25 consecutive patients with 27 VBDAs were included...
February 2018: European Journal of Radiology
https://www.readbyqxmd.com/read/29328023/features-of-formation-of-collateral-circulation-in-patients-with-subclavian-steal-syndrome
#4
I Kopolovets, P Štefanič, V Rusyn, Š Tóth, V Mashura, P Berek
To date in patients with subclavian steal syndrome diagnosis is only grade of stenosis or localization of occlusion described. Authors recommend to take into account also type of a collateral compensation of cerebral circulation for selection of an optimal treatment The objective of the research was to study the features of formation of collateral circulation in patients with subclavian steal syndrome. The authors described changes in the direction of blood flow in the extracranial vessels of 42 patients with subclavian steal syndrome...
December 2017: Georgian Medical News
https://www.readbyqxmd.com/read/29279801/technical-factors-affecting-outcomes-following-endovascular-treatment-of-posterior-circulation-atherosclerotic-lesions
#5
Matthew D Alexander, Jeffrey M Rebhun, Steven W Hetts, Matthew R Amans, Fabio Settecase, Robert J Darflinger, Christopher F Dowd, Van V Halbach, Randall T Higashida, Daniel L Cooke
Background: Atherosclerotic disease of the vertebrobasilar system causes significant morbidity and mortality. All lesions require aggressive medical management, but the role of endovascular interventions remains unsettled. This study examines such endovascular interventions for vertebrobasilar atherosclerosis. Methods: Retrospective review was performed of prospectively maintained procedure logs at three hospitals with comprehensive neurointerventional services...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/29273530/feasibility-of-improved-motion-sensitized-driven-equilibrium-imsde-prepared-3d-t1-weighted-imaging-in-the-diagnosis-of-vertebrobasilar-artery-dissection
#6
Jin Wook Choi, Miran Han, Ji Man Hong, Jin Soo Lee, Sun Yong Kim, Sam Soo Kim
BACKGROUND AND PURPOSE: This study was to evaluate the diagnostic value of improved motion-sensitized driven-equilibrium (iMSDE)-prepared 3D T1-weighted magnetic resonance imaging (MRI) (iMSDE-3DMRI) in intracranial vertebrobasilary dissection (VBD) and to compare iMSDE-3DMRI images with those obtained using 2D high-resolution (HR) MRI with respect to their diagnostic performance in VBD. MATERIALS AND METHODS: We retrospectively reviewed 105 lesions from 102 patients who underwent multimodal imaging and contrast-enhanced iMSDE-3DMRI (CE-iMSDE-3DMRI)...
December 19, 2017: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/29224743/clinical-study-of-intracranial-and-extracranial-atherosclerotic-stenosis-in-spontaneous-intracerebral-hemorrhage-patients
#7
Chun-Yang Zhang, Shi-Ren Huang, Si-Yang Wang, Lei Shen, Ben-Qiang Deng
BACKGROUND AND PURPOSE: Nowadays, researchers had begun to focus on the use of antiplatelet and statins in patients with spontaneous intracerebral hemorrhage (sICH), but atherosclerosis treatment remains uncertain in these patients. We aimed to investigate the incidence and characteristics of intracranial and extracranial atherosclerotic stenosis in these patients and analyze its related risk factors. METHODS: Intracranial and extracranial arteries of consecutive patients with sICH were studied retrospectively with computed tomography angiography of head and neck...
February 2018: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/29213030/acute-bilateral-ophthalmoplegia-due-to-vertebrobasilar-dolichoectasia-a-report-of-two-cases
#8
Haifa Alabri, Whitfield D Lewis, Sunil Manjila, Ayham M Alkhachroum, Michael A De Georgia
BACKGROUND Vertebrobasilar dolichoectasia (VBD) is a complex progressive arterial disease characterized by dilation, elongation, and tortuosity of the vertebral and basilar arteries, and may be congenital or acquired. VBD may lead to progressive compression of the brainstem, cranial nerve abnormalities, and intracranial hemorrhage, but may also be associated with arterial thrombosis, with ischemic stroke as the most common clinical outcome. CASE REPORT Two cases of VBD are presented, both with acute bilateral ophthalmoplegia and cranial nerve palsies, and vertebrobasilar arterial thrombosis that resulted in ischemic stroke...
December 7, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/29197939/postmortem-angiography-revealing-traumatic-rupture-of-the-intracranial-internal-carotid-artery
#9
Fumiko Chiba, Go Inokuchi, Yohsuke Makino, Suguru Torimitsu, Ayumi Motomura, Rutsuko Yamaguchi, Mari Hashimoto, Yumi Hoshioka, Sayaka Nasgasawa, Ayaka Sakuma, Daisuke Yajima, Hisako Saito, Hirotaro Iwase
Diagnosis of traumatic subarachnoid hemorrhage (SAH), although relatively rare, is important in forensic medicine. It is mostly associated with rupture of the vertebrobasilar artery. Traumatic aneurysm of the intracranial part of the internal carotid artery (ICA) is also rare but has been reported in several studies. It is thought that the intracranial ICA is injured by blunt force to the head, neck, and chest. However, traumatic SAH with fatal acute course resulting from rupture of the ICA is especially uncommon: only two fatal cases without an associated aneurysm have been reported in the English-language literature...
March 2018: International Journal of Legal Medicine
https://www.readbyqxmd.com/read/29193196/extracranial-and-intracranial-ultrasonographic-findings-in-posterior-circulation-infarction
#10
Hsin-Yi Chi, Chung-Fu Hsu, An-Chih Chen, Chun-Hung Su, Han-Hwa Hu, Wen-Mei Fu
OBJECTIVES: Patients with posterior circulation infarction are at higher risk of early recurrent stroke, especially those with vertebrobasilar stenosis or hypoplasia. The clinical presentations of this condition vary over a broad range, making diagnosis and treatment a challenge. Hemodynamic changes and stenosis detected by ultrasonography (US) are sensitive and important indicators for further evaluation. In this study, we correlated extracranial and intracranial US characteristics with brain magnetic resonance imaging (MRI) in patients with posterior circulation infarction...
November 30, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/29140523/sequential-coiling-assisted-deployment-of-flow-diverter-for-treatment-of-fusiform-middle-cerebral-artery-aneurysms
#11
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/29122537/a-coil-placement-technique-to-treat-intracranial-aneurysm-with-incorporated-artery
#12
Chao-Bao Luo, Feng-Chi Chang, Chung-Jung Lin, Wan-Yuo Guo
BACKGROUND: Endovascular coil embolization is an accepted treatment option for intracranial aneurysms. However, the coiling of aneurysms with an incorporated artery (IA) poses a high risk of IA occlusion. Here we report our experience of endovascular coil placement using a technique that avoids IA occlusion in aneurysms with IAs. METHODS: Over a 6-year period, 185 patients harboring 206 intracranial aneurysms underwent endosaccular coiling. Forty-two of these patients with 45 aneurysms were treated by coil placement to avoid IAs occlusion...
March 2018: Journal of the Chinese Medical Association: JCMA
https://www.readbyqxmd.com/read/29121660/associations-between-fatty-liver-index-and-asymptomatic-intracranial-vertebrobasilar-stenosis-in-chinese-population
#13
COMPARATIVE STUDY
Jing Qiu, Zhiwei Zhou, Jie Wang, Yiying Wang, Chunxing Liu, Xingxiang Liu, Yunfang Xu, Lugang Yu, Hui Zhou, Jie Lin, Zhirong Guo, Chen Dong
Metabolic diseases such as type 2 diabetes mellitus (T2DM) and metabolic syndromes (MetS) have been recognized as the important risk factors for asymptomatic intracranial vertebrobasilar stenosis (IVBS). Although fatty liver index (FLI) is significantly related with these diseases, the association between FLI and IVBS remains unclear. In the present study, 2368 participants (30-75 years) were recruited from a Chinese prospective cohort study of PMMJS. Amongst them, 2281 individuals who did not have IVBS at baseline were enrolled in the 6-year following-up study...
2017: PloS One
https://www.readbyqxmd.com/read/29098320/iatrogenic-vessel-dissection-in-endovascular-treatment-of-acute-ischemic-stroke
#14
Barbara Goeggel Simonetti, Justine Hulliger, Etienne Mathier, Simon Jung, Urs Fischer, Hakan Sarikaya, Johannes Slotboom, Gerhard Schroth, Pasquale Mordasini, Jan Gralla, Marcel Arnold
PURPOSE: Knowledge about the localization and outcome of iatrogenic dissection (ID) during endovascular treatment of acute ischemic stroke (AIS) is limited. We aimed to determine the frequency, clinical aspects and morphology of ID in endovascular AIS treatment and to identify predictors of this complication. METHODS: Digital subtraction angiography (DSA) of ID carried out during endovascular treatment between January 2000 and March 2012 have been re-evaluated. The ID localization and morphology were analyzed and related to the interventional techniques...
November 2, 2017: Clinical Neuroradiology
https://www.readbyqxmd.com/read/29089415/periprocedural-heparin-use-in-acute-ischemic-stroke-endovascular-therapy-the-trevo-2-trial
#15
Melanie J Winningham, Diogo C Haussen, Raul G Nogueira, David S Liebeskind, Wade S Smith, Helmi L Lutsep, Tudor G Jovin, Bin Xiang, Fadi Nahab
BACKGROUND: The use of periprocedural heparin has previously been reported to be safe and potentially beneficial during thrombectomy with older generation devices. We aimed to evaluate the safety and clinical outcomes of heparin use in the stent retriever era. METHODS: A post hoc analysis of the TREVO 2 trial was performed comparing baseline characteristics and clinical outcomes between patients who received (HEP+) and those who did not receive periprocedural heparin (HEP-) while undergoing MERCI or TREVO clot retrieval...
October 31, 2017: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/29084065/recent-advances-in-the-management-of-symptomatic-vertebral-artery-stenosis
#16
Anna M Drazyk, Hugh S Markus
PURPOSE OF REVIEW: Vertebrobasilar stenosis accounts for 20% of posterior circulation strokes and is associated with high risk of early stroke recurrence. We review data from randomized controlled trials examining whether stenting may reduce this risk, including the recently published Vertebral Artery Ischaemia Stenting Trial (VIST). RECENT FINDINGS: VIST and VAST (Vertebral Artery Stenting Trial), having recruited both intracranial and extracranial vertebral stenosis and showed a low rate of perioperative stroke for extracranial (0 and 2%, respectively), but a higher rate for intracranial stenosis (15 and 22%, respectively)...
February 2018: Current Opinion in Neurology
https://www.readbyqxmd.com/read/29039156/-vertebrobasilar-artery-dolichoectesia-and-pain-coincidence-or-etiology
#17
Murat Alemdar
Dolichoectesia is described as elongation, widening, and tortuosity of an artery. Most commonly involved vessels are the intracranial vertebral and basilar arteries. Vertebrobasilar artery dolichoectesia is usually asymptomatic. Cerebral ischemia, hemorrhage, or compression findings due to mass effect can be seen in symptomatic patients. Although there are case reports of trigeminal neuralgia due to fifth cranial nerve compression in the literature, to the best of our knowledge, neither hemicranial nor continuous facial pain secondary to vertebrobasilar artery dolichoectesia has been reported previously...
July 2017: Aǧrı: Ağrı (Algoloji) Derneği'nin Yayın Organıdır, the Journal of the Turkish Society of Algology
https://www.readbyqxmd.com/read/28965108/meta-analysis-of-treatment-outcomes-of-posterior-circulation-non-saccular-aneurysms-by-flow-diverters
#18
Satoshi Kiyofuji, Christopher S Graffeo, Avital Perry, Mohammad Hassan Murad, Kelly D Flemming, Giuseppe Lanzino, Leonardo Rangel-Castilla, Waleed Brinjikji
INTRODUCTION: Non-saccular aneurysms of the posterior circulation are uncommon but highly dangerous lesions. Flow diverter stents have been demonstrated to be effective treatments of various anterior circulation aneurysms, particularly large and giant proximal internal carotid artery aneurysms. However, evidence regarding the treatment of non-saccular posterior circulation aneurysms with flow diverters is lacking. METHODS: A systematic literature review of the English language literature since 2007 was conducted using PubMed, MEDLINE, and Embase...
September 30, 2017: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/28959233/risk-factors-of-recurrence-after-stent-s-assisted-coiling-of-intracranial-vertebrobasilar-dissecting-aneurysms-a-multicenter-study
#19
Kun Wang, Zhongbin Tian, Junfan Chen, Jian Liu, Yang Wang, Hongqi Zhang, Jun Wang, Yisen Zhang, Xinjian Yang
BACKGROUND: We aimed to evaluate the risk factors of recurrence after stent(s)-assisted coiling (SAC) of intracranial vertebrobasilar dissecting aneurysms (VBDAs) based on 168 consecutive patients. METHODS: Between January 2011 and December 2015, 168 consecutive patients with 170 intracranial VBDAs, which were treated by SAC, were recruited from four high-volume centers. We used multivariate logistic regression to examine factors that affected recurrence of VBDAs...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28945061/a-comparative-cfd-analysis-of-common-carotid-fusiform-aneurysm-in-canine-models-and-vertebrobasilar-fusiform-aneurysm-in-human-patients
#20
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 their unilateral common carotid artery (CCA) and external jugular vein were surgically exposed individually...
February 2018: International Angiology: a Journal of the International Union of Angiology
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