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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
#1
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/28943421/rotational-vertebral-artery-dissection-secondary-to-an-anomalous-entrance-into-transverse-foramen-case-report
#2
Stephen A Johnson, Andrew F Ducruet, J B Bellotte, Charles E Romero, Robert M Friedlander
BACKGROUND: Rotational vertebral artery occlusion is a rare syndrome characterized by vertebrobasilar insufficiency secondary to position-dependent occlusion of the vertebral artery. Most cases reported in the literature have been attributed to osteophytic compression, either from the occipital condyle or within the transverse foramen. However, vertebral artery dissection secondary to motion in the setting of anomalous anatomy has not been reported. CASE DESCRIPTION: To the authors' knowledge, rotational vertebral artery occlusion and dissection secondary to anomalous entrance into the transverse foramen has never been reported...
September 21, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28936832/-clinical-medication-characteristics-of-shuxuening-injection-in-treatment-of-cerebral-infarction-research-based-on-registration
#3
Jun-Jie Jiang, Yan-Ming Xie, Yin Zhang, Yi-Kai Zhang, Zuo-Ming Wang, Bing Han
To understand the medication characteristics of Xingxue@Shuxuening solutions in the real world, multi-center, large-sample-size registration design method is adopted in this study. Between October 2012 and October 2015, hospitalized patients in 27 medical institutions who used Shuxuening and diagnosed as cerebral infarction were observed, including their general information, diagnosis information and medication information. Totally 9 473 cases of cerebral infarction were included, with old people as the majority, and males were slightly more men than females; they were complicated with coronary heart disease, vertebrobasilar artery insufficiency, transient brain ischemia and other cerebrovascular diseases; the medication duration was mostly within 14 days; the dosage was mainly 8-20 mL; 0...
December 2016: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/28933202/giant-vertebrobasilar-aneurysm-a-rare-cause-of-central-sleep-apnoea
#4
Mark Daniel Haley, Duncan Bruce Henry Henderson, Mark Nowell, William M Adams, Peter C Whitfield
We report a case of central sleep apnoea (CSA) due to a giant vertebrobasilar aneurysm with brainstem compression. A flow diverter stent was deployed with coil embolization of the right vertebral artery distal to the posterior inferior cerebellar artery (PICA) to occlude the aneurysm. The patient's symptoms improved following therapy.
September 21, 2017: British Journal of Neurosurgery
https://www.readbyqxmd.com/read/28932744/unilateral-aplasia-versus-bilateral-aplasia-of-the-vertebral-artery-a-review-of-associated-abnormalities
#5
REVIEW
L Vasović, M Trandafilović, S Vlajković, G Djordjević, M Daković-Bjelaković, M Pavlović
Morphological characteristics of 108 cases of uni- and bilateral aplasia of the vertebral artery (VA) in reports or images of retrospective studies, including one recent case, published between 1967 and 2016 are analyzed. Incidence, gender, persistence of carotid-vertebrobasilar anastomosis (CVBA), associated with other vascular variants, and vascular pathology in each group of uni- and bilateral VA aplasia are mutually compared. Most of the cases of VA aplasia in ages 31 to 80 were discovered in USA, Japan, and India...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28931249/v3-vertebral-artery-to-anterior-inferior-cerebellar-artery-bypass-with-saphenous-vein-graft-for-vertebrobasilar-ischemia-3-dimensional-operative-video
#6
Arnau Benet, Xuequan Feng, Michael T Lawton
No abstract text is available yet for this article.
February 1, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28922887/occipital-artery-to-anterior-inferior-cerebellar-artery-bypass-with-radial-artery-interposition-graft-for-vertebrobasilar-insufficiency-3-dimensional-operative-video
#7
Arnau Benet, Halima Tabani, Jae Seung Bang, Ali Tayebi Meybodi, Michael T Lawton
No abstract text is available yet for this article.
October 1, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28915130/dolichoectasia-of-vertebrobasilar-arteries-as-a-cause-of-hydrocephalus-and-ischemic-cerebral-stroke
#8
Miodrag Zdravković, Milos Kostov, Sladjana Petrovic, Jovana Zdravkovic
INTRODUCTION: Dolichoectasia of vertebrobasilar artery is a rare vasculopathy, which is characterized by ectasia, elongation, and tortuosity of the basilar artery. CASE DESCRIPTION: A 85-year-old man was referred to the Clinic of Neurology with sudden-onset coma. A brain computed tomography scan showed remarkable fusiform dilatation with elongation of basilar artery, with compressive effect on brain stem. Autopsy confirmed existence of vertebrobasilar dolichoectasia, with organized old thrombus and partially with recent occlusive thrombosis...
September 14, 2017: American Journal of Forensic Medicine and Pathology
https://www.readbyqxmd.com/read/28902820/the-operative-technique-of-shunting-to-the-third-v3-segment-of-the-vertebral-artery
#9
A N Vachev, O V Dmitriev
The authors provide a detailed description of the step-by-step technique of performing the operation of shunting to the V3 segment of the vertebral artery in patients with clinical manifestations of vertebrobasilar insufficiency (VBI). Reported are surgical outcomes in a total of 57 patients with VBI. Of these, 5 patients underwent arterial bypass grafting and 52 patients endured autovenous shunting. One patient developed shunt thrombosis in the early postoperative period and, unfortunately, died, with the remaining 51 shunts being patent...
2017: Angiologii︠a︡ i Sosudistai︠a︡ Khirurgii︠a︡, Angiology and Vascular Surgery
https://www.readbyqxmd.com/read/28899835/successful-treatment-by-microvascular-decompression-surgery-of-a-patient-with-hemiparesis-due-to-vertebral-artery-compression-of-the-medulla-oblongata-a-case-report-and-literature-review
#10
Jibin Ren, Hongtao Sun, Yunfeng Diao, Xuegang Niu, Hang Wang, Zhengjun Wei, Fei Yuan
Little literature is available on hemiparesis caused by vascular medullary compression, which may occur as a result of dolichoectasia of the vertebrobasilar arterial system. In this paper, we report a case of vertebral artery compression of the medulla oblongata in a 67-year old woman. The patient was hypertensive and developed hemiparesis and intermittent spasms for five years, which became worsened for one year. Cranial nerve MRI showed compression of the medulla oblongata by the left vertebral artery. Motor evoked potential (MEP) examination showed abnormal conduction of MEPs of bilateral toe abductors...
September 9, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28882710/quantitative-analysis-of-intracranial-vertebrobasilar-dissecting-aneurysm-with-intramural-hematoma-after-endovascular-treatment-using-3t-high-resolution-mri
#11
Zhongbin Tian, Junfan Chen, Yisen Zhang, Jian Liu, Yang Wang, Binbin Sui, Xinjian Yang
OBJECTIVE: Quantitative measurements of intracranial vessel walls are reliable in 3T high-resolution magnetic resonance imaging (HR-MRI). However, few reports have assessed the arterial wall after endovascular treatment by 3T HR-MRI. This study aimed to quantitatively analyze vessel walls in vertebrobasilar artery dissecting aneurysms after endovascular treatment. METHODS: From May 2012 to December 2015 a total of 21 patients with 21 intracranial vertebrobasilar dissecting aneurysms (VBDAs) were enrolled in this consecutive study...
September 4, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28856460/late-onset-pompe-disease-a-genetic-radiological-correlation-on-cerebral-vascular-anomalies
#12
A Pichiecchio, S Sacco, P De Filippi, E Caverzasi, S Ravaglia, S Bastianello, C Danesino
Pompe disease is an autosomal recessive disorder in which deficiency of the lysosomal enzyme acid alpha-glucosidase results in the accumulation of glycogen mostly in muscle tissues. Several reports suggest a higher incidence of intracranial vascular abnormalities (IVAs) in this condition, as well as brain microbleeds and cerebral vasculopathy. The aim of our study was to evaluate through neuroimaging studies the incidence of these anomalies in our cohort of late-onset Pompe disease (LOPD) patients asymptomatic for cerebrovascular disease, looking for correlations with clinical and genetic data...
August 30, 2017: Journal of Neurology
https://www.readbyqxmd.com/read/28846540/determinants-of-long-term-outcome-in-patients-after-percutaneous-stent-assisted-management-of-symptomatic-subclavian-or-innominate-artery-stenosis-or-occlusion
#13
Tadeusz Przewlocki, Leszek Wrotniak, Anna Kablak-Ziembicka, Piotr Pieniazek, Agnieszka Roslawiecka, Daniel Rzeznik, Marcin Misztal, Wojciech Zajdel, Rafał Badacz, Andrzej Sokolowski, Mariusz Trystula, Piotr Musialek, Krzysztof Zmudka
AIMS: Incidence and determinants of restenosis and adverse events after endovascular management (PTA±stent) of the subclavian/innominate artery (SA/IA) stenosis/occlusion remain unclear due to relatively short-term follow-up or limited size of prior studies. This large-scale, long-term prospective study investigated safety, efficacy, and prognosis after SA/IA PTA±stent. METHODS AND RESULTS: The study involved 411 consecutive patients with symptomatic SA/IA stenosis/occlusion; 393 after successful PTA±stent were followed annually for up to 16 (minimum 1) years...
August 29, 2017: EuroIntervention
https://www.readbyqxmd.com/read/28843759/hybrid-technique-for-the-treatment-of-refractory-vertebrobasilar-insufficiencies
#14
Xia Lu, Yan Ma, Bin Yang, Peng Gao, Yabing Wang, Liqun Jiao
BACKGROUND: Tortuous or occluded vertebral arteries (VAs) can lead to the endovascular treatment of vertebrobasilar insufficiency being impractical. Bypass surgery is optional, but a craniotomy of the posterior fossa is complicated when physiological vessels must be abandoned. We report 3 cases of refractory vertebrobasilar insufficiencies with different situations of unavailable approaches. Patients were treated by different hybrid operation strategies. CASE DESCRIPTION: Case 1 was of right vertebral artery ostium (VAO) severe stenosis with right V1 segment tortuosity and was treated by right VAO transposition, during which the proximal subclavian artery (SubA) was blocked by a balloon guide catheter...
August 23, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28838901/the-association-between-vertebrobasilar-insufficiency-and-the-risk-of-dementia-a-nationwide-register-based-retrospective-cohort-study-in-taiwan
#15
Fu-Chi Yang, Shao-Yuan Chen, Jiu-Haw Yin, Chun-Chieh Lin, Yueh-Feng Sung, Chung-Hsing Chou, Chi-Hsiang Chung, Wu-Chien Chien, Chia-Kuang Tsai, Chia-Lin Tsai, Guan-Yu Lin, Jiunn-Tay Lee
OBJECTIVES: Neurodegenerative disorders are reportedly characterised by decreased regional cerebral blood flow. However, the association between vertebrobasilar insufficiency (VBI) and dementia remains unclear. In this nationwide, population-based, retrospective cohort study, we explored the potential association between VBI and dementia. DESIGN: Nationwide population-based cohort study. SETTING: Patients with VBI were newly diagnosed between 2000 and 2005 from the Taiwan National Health Insurance Research Database...
August 23, 2017: BMJ Open
https://www.readbyqxmd.com/read/28828211/duplex-ultrasonography-for-the-detection-of-vertebral-artery-stenosis-a-comparison-with-ct-angiography
#16
Anouk D Rozeman, Hajo Hund, Michel Westein, Marieke J H Wermer, Geert J Lycklama À Nijeholt, Jelis Boiten, Robert-Jan Schimsheimer, Ale Algra
OBJECTIVES: Vertebrobasilar stenosis is frequent in patients with posterior circulation stroke and it increases risk of recurrence. We investigated feasibility of duplex ultrasonography (DUS) for screening for extracranial vertebral artery stenosis and compared it with CT angiography (CTA). MATERIALS AND METHODS: We gathered data on 337 consecutive patients who had DUS because of posterior circulation stroke or TIA. Matching CTA studies were retrieved and used as reference...
August 2017: Brain and Behavior
https://www.readbyqxmd.com/read/28828133/bow-hunter-s-syndrome-in-a-patient-with-vertebral-artery-atresia-an-arcuate-foramen-and-unilateral-deafness-a-case-report
#17
Charles T Simpkin, Kelly E Davis, Brady S Davis, Andrew M Vosko, Michael E Jorgensen
Bow hunter's syndrome (BHS) is a rare cause of vertebrobasilar insufficiency that occurs when the vertebral artery (VA) is occluded on rotation of the head and neck. This dynamic occlusion of the VA can occur anywhere along its course after it arises from the subclavian artery. Although most cases are associated with compression by osteophytes, cervical spondylosis, or lateral disc herniation, BHS has a highly variable clinical course that depends on the patient's specific anatomy. Therefore, it may be important for clinicians to be aware of anatomical variants that predispose individuals to BHS...
September 2017: Radiology case reports
https://www.readbyqxmd.com/read/28826714/internal-maxillary-artery-to-upper-posterior-circulation-bypass-using-a-superficial-temporal-artery-graft-surgical-anatomy-and-feasibility-assessment
#18
Ali Tayebi Meybodi, Michael T Lawton, Roberto Rodriguez Rubio, Sonia Yousef, Xiaoming Guo, Xuequan Feng, Arnau Benet
BACKGROUND: Revascularization of the upper posterior circulation (UPC), including the superior cerebellar [SCA] and posterior cerebral arteries [PCA], may be necessary as part of the surgical treatment of complex UPC aneurysms or vertebrobasilar insufficiency. The existing bypass options have relative advantages and disadvantages. However, the use of a superficial temporal artery graft (STAg) in a bypass from the internal maxillary artery (IMA) to the UPC has not been previously assessed...
August 4, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28821627/angiographic-and-clinical-outcomes-of-balloon-remodeling-versus-unassisted-coil-embolization-in-the-ruptured-aneurysm-cohort-of-the-gel-the-nec-study
#19
Guilherme Dabus, Waleed Brinjikji, Arun P Amar, Josser E Delgado Almandoz, Orlando M Diaz, Pascal Jabbour, Ricardo Hanel, Ferdinand Hui, Michael Kelly, Kennith F Layton, Jeffrey W Miller, Elad I Levy, Christopher J Moran, Dae Chul Suh, Henry Woo, Robbin Sellar, Brian Hoh, Avery Evans, David F Kallmes
BACKGROUND AND PURPOSE: GEL THE NEC (GTN) was a multicenter prospective registry developed to assess the safety and efficacy of HydroSoft coils in treating intracranial aneurysms. We compared the angiographic and clinical outcomes of aneurysms treated with balloon assisted coil embolization (BACE) versus unassisted coil embolization (CE) in the ruptured aneurysm cohort. MATERIALS AND METHODS: GTN was performed at 27 centers in five countries. Patients aged 21-90 years with a ruptured aneurysm 3-15 mm in size were eligible for enrollment...
August 18, 2017: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/28798785/simultaneous-vertebral-and-subclavian-artery-stenting
#20
Damian R Maciejewski, Łukasz Tekieli, Roman Machnik, Anna Kabłak-Ziembicka, Tadeusz Przewłocki, Piotr Paluszek, Mariusz Trystuła, Robert Musiał, Karolina Dzierwa, Piotr Pieniążek
INTRODUCTION: Vertebrobasilar territory ischemia leads to disabling neurological symptoms and may be caused both by vertebral artery (VA) and subclavian artery (SA) stenosis. The coexisting symptomatic ipsilateral VA and proximal SA stenosis should be considered as a true bifurcation lesion for percutaneous treatment. AIM: To evaluate the safety and efficacy of simultaneous angioplasty of vertebral and subclavian stenosis. MATERIAL AND METHODS: Fifteen patients (age 69...
2017: Postępy W Kardiologii Interwencyjnej, Advances in Interventional Cardiology
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