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Vertebrobasilar intracranial

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https://www.readbyqxmd.com/read/28491050/a-persistent-primitive-hypoglossal-artery-as-the-sole-supply-to-the-brain-associated-with-a-basilar-bifurcation-aneurysm
#1
Ming Wang, Jun Gu, Ping Lan, Shu Wan, Yongqing Zhou, Xiujue Zheng, Renya Zhan
The persistent primitive hypoglossal artery (PPHA) is the second most common persistent carotid-vertebrobasilar anastomosis, with an incidence of 0.027-0.26%. PPHAs change the hemodynamics of the carotid and vertebrobasilar system and may be associated with intracranial vascular anomalies, but basilar bifurcation aneurysms were rarely reported. We describe the first case of a PPHA as the sole supply to the brain associated with a basilar bifurcation aneurysm and review the literature. We reported a 34-year-old woman who presented with subarachnoid hemorrhage due to a ruptured basilar bifurcation aneurysm...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28424012/internal-carotid-artery-agenesis-a-case-report-and-review-of-literature
#2
REVIEW
Shuo Li, Kusum Hooda, Nishant Gupta, Yogesh Kumar
Congenital agenesis of the internal carotid artery is a very rare anomaly. Intracranial circulation in the involved internal carotid artery territory is maintained by collateral circulation from the contralateral internal carotid artery through the anterior communicating artery and from the vertebrobasilar system through the posterior communicating artery. Usually, patients with internal carotid artery agenesis are asymptomatic due to collateral circulation, but they may present with headache, seizures, or transient ischemic attack...
April 2017: Neuroradiology Journal
https://www.readbyqxmd.com/read/28400985/spanning-from-the-west-to-east-an-updated-review-on-endovascular-treatment-of-intracranial-atherosclerotic-disease
#3
REVIEW
Mohammed Hussain, Neil Datta, Zhe Cheng, David Dornbos, Asif Bashir, Ibrahim Sultan, Tapan Mehta, Faris Shweikeh, Paul Mazaris, Nora Lee, Amre Nouh, Xiaokun Geng, Yuchuan Ding
Ischemic stroke is a major cause of morbidity and mortality, incurring significant cost. Intracranial atherosclerotic disease (ICAD) accounts for 10-15% of ischemic stroke in Western societies, but is an underlying pathology in up to 54% of ischemic strokes in Asian populations. ICAD has largely been treated with medical management, although a few studies have examined outcomes following endovascular treatment. Our objective was to summarize the major trials that have been performed thus far in regard to the endovascular treatment of ICAD and to provide direction for future management of this disease process...
April 2017: Aging and Disease
https://www.readbyqxmd.com/read/28395418/-efficacy-comparison-of-three-vascular-recanalization-in-patients-with-acute-vertebrobasilar-occlusion
#4
G H Ni, C Liang, W D Zhao, X Y Tian, H G Sun, S R Gao, L S Ding
Objectives: To investigate the therapeutic effects of intravenous thrombolysis, intra-artery thrombolysis, mechanical thrombectomy on patients with acute vertebrobasilar occlusion. Methods: Retrospective analysis of clinical data of patients with acute vertebrobasilar occlusion, admitted to Huai'an First People's Hospital and Bingtuan Qishi Hospital from January 2014 to January 2016, was performed. According to different vascular recanalization, these patients were divided into intravenous thrombolysis group, intra-artery thrombolysis group and mechanical thrombectomy group...
April 4, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28387631/aneurysm-wall-enhancement-on-magnetic-resonance-imaging-as-a-risk-factor-for-progression-of-unruptured-vertebrobasilar-dissecting-aneurysms-after-reconstructive-endovascular-treatment
#5
Yisen Zhang, Binbin Sui, Jian Liu, Yang Wang, Zhongbin Tian, Junfan Chen, Zhongxue Wu, Xinjian Yang
OBJECTIVE The recurrence rate of vertebrobasilar dissecting aneurysms (VBDAs) after reconstructive endovascular treatment (EVT) is relatively high. The aneurysm wall enhancement on high-resolution MRI (HRMRI) reportedly predicts an unsteady state of an intracranial aneurysm. The authors used HRMRI to investigate the relationship between wall enhancement on HRMRI and progression of VBDAs after reconstructive EVT. METHODS From January 2012 to December 2015, patients with an unruptured VBDA who underwent reconstructive EVT were enrolled in this study...
April 7, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28387620/reoperation-and-readmission-after-clipping-of-an-unruptured-intracranial-aneurysm-a-national-surgical-quality-improvement-program-analysis
#6
Hormuzdiyar H Dasenbrock, Timothy R Smith, Robert F Rudy, William B Gormley, M Ali Aziz-Sultan, Rose Du
OBJECTIVE Although reoperation and readmission have been used as quality metrics, there are limited data evaluating the rate of, reasons for, and predictors of reoperation and readmission after microsurgical clipping of unruptured aneurysms. METHODS Adult patients who underwent craniotomy for clipping of an unruptured aneurysm electively were extracted from the prospective National Surgical Quality Improvement Program registry (2011-2014). Multivariable logistic regression and recursive partitioning analysis evaluated the independent predictors of nonroutine hospital discharge, unplanned 30-day reoperation, and readmission...
April 7, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28341523/intracranial-stents-in-the-endovascular-treatment-of-acute-ischemic-stroke
#7
F Delgado Acosta, E Jiménez Gómez, I Bravo Rey, F A Bravo Rodríguez, J J Ochoa Sepúlveda, R Oteros Fernández
OBJECTIVE: To evaluate the efficacy and safety of intracranial stenting as a rescue therapy after failed mechanical thrombectomy in patients with acute ischemic stroke. MATERIAL AND METHODS: We retrospectively studied 42 patients treated with intracranial stenting after failed mechanical thrombectomy between December 2008 and January 2016. We compared outcomes before and after the incorporation of stentrievers. We assessed the degree of recanalization in the carotid and basilar territories (modified TIMI score), prognostic factors, and outcome (modified Rankin Score at 3 months)...
May 2017: Radiología
https://www.readbyqxmd.com/read/28255032/clinical-and-imaging-characteristics-of-diffuse-intracranial-dolichoectasia
#8
W Brinjikji, D M Nasr, K D Flemming, A Rouchaud, H J Cloft, G Lanzino, D F Kallmes
BACKGROUND AND PURPOSE: Among patients with vertebrobasilar dolichoectasia is a subset of patients with disease affecting the anterior circulation as well. We hypothesized that multivessel intracranial dolichoectasia may represent a distinct phenotype from single-territory vertebrobasilar dolichoectasia. The purpose of this study was to characterize clinical characteristics and angiographic features of this proposed distinct phenotype termed "diffuse intracranial dolichoectasia" and compare them with those in patients with isolated vertebrobasilar dolichoectasia...
March 2, 2017: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/27854084/impacts-of-cigarette-smoking-and-basilar-artery-flow-on-1-year-recovery-in-3-month-survivors-of-intracranial-vertebrobasilar-artery-dissection-related-ischemic-stroke
#9
Chih-Ping Chung, Feng-Chi Chang, Hui-Chi Huang, Jui-Yao Tsai, Yung-Yang Lin
OBJECTIVE: Intracranial vertebrobasilar artery dissection (iVBD) is an important etiology for posterior circulation ischemic stroke (PCS); however, its long-term functional outcome has been seldom reported. The present study aimed to elucidate the functional outcomes and the predictors of poor functional recovery at 1-year after iVBD-caused PCS. METHODS: Patients with iVBD-caused PCS who had been recruited in the Stroke Registry of Taipei Veterans General Hospital between January 1, 2012 to February 28, 2014 were included...
September 15, 2016: Acta Neurologica Taiwanica
https://www.readbyqxmd.com/read/27801396/-results-of-deconstructive-endovascular-surgery-in-treatment-of-large-and-giant-intracranial-aneurysms
#10
S R Arustamyan, S B Yakovlev, A R Shakhnovich, I V Krasnoperov, O B Sazonova, A V Bocharov, E Yu Bukharin, O B Belousova, A N Kaftanov
AIM: To clarify the indications for deconstructive endovascular surgery in patients with large and giant intracranial aneurysms and to evaluate short-term and long-term postoperative outcomes. MATERIAL AND METHODS: The study was based on a retrospective analysis of the treatment results in 50 patients with large (15-25 mm) and giant (more than 25 mm) intracranial aneurysms, aged from 18 to 75 years, who were treated at the Burdenko Neurosurgical Institute in 2002-2014...
2016: Zhurnal Voprosy Neĭrokhirurgii Imeni N. N. Burdenko
https://www.readbyqxmd.com/read/27772791/evaluating-the-morphological-changes-of-intracranial-arteries-and-whole-brain-perfusion-in-undetermined-isolated-vertigo
#11
Wenxian Li, Youzhen Feng, Weibiao Lu, Xie Xie, Zhilin Xiong, Zhen Jing, Xiangran Cai, Li'an Huang
PURPOSE: To determine the morphological changes of intracranial arteries and whole-brain perfusion in undetermined isolated vertigo (UIV) patients using 320-detector row computed tomography (CT). METHODS: A total of 150 patients who underwent CT angiography (CTA) and CT perfusion (CTP) imaging were divided into UIV group and benign paroxysmal positional vertigo (BPPV) group. Sixty individuals with sex- and age-matched without vertigo and cerebral diseases served as the control...
November 15, 2016: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/27660495/atypical-oculopalatal-tremor-as-the-presentation-of-vertebral-artery-dolichoectasia
#12
Kavin Vanikieti, Piyaphon Cheecharoen, Panitha Jindahra, Sirin Lueangaram, Tanyatuth Padungkiatsagul
Vertebrobasilar dolichoectasia (VBD) is a rare dilative arteriopathy defined as elongation or widening of the intracranial vertebral and/or basilar arteries. The prevalence ranges from 0.06% to 5.8%. The majority of VBDs are asymptomatic. Downbeat nystagmus has been reported as a component of an infrequent ocular movement disorder in VBD. Nevertheless, oculopalatal tremor (OPT), delayed sequelae of a brainstem lesion, has never been demonstrated in VBD cases. Synchronized rhythmic involuntary contractions of the soft palate with an ocular pendular nystagmus, predominantly vertical pendular nystagmus, are the hallmark presentation...
2016: International Medical Case Reports Journal
https://www.readbyqxmd.com/read/27570378/endovascular-treatment-of-unruptured-posterior-circulation-intracranial-aneurysms
#13
Xianli Lv, Huijian Ge, Hengwei Jin, Hongwei He, Chuhan Jiang, Youxiang Li
BACKGROUND AND PURPOSE: Endovascular treatment of unruptured posterior circulation intracranial aneurysms (UPCIAs) is limited in the International Study of Unruptured Intracranial Aneurysms (ISUIA). The aim of this study is to evaluate the periprocedural morbidity, mortality, and midterm clinical and angiographic follow-ups of endovascular treatment of UPCIAs. MATERIALS AND METHODS: Retrospective analysis of all patients treated in a 2-year period (89 patients: 10-78 years of age, mean: 45...
July 2016: Annals of Indian Academy of Neurology
https://www.readbyqxmd.com/read/27375136/a-challenging-entity-of-unruptured-giant-saccular-aneurysms-of-vertebrobasilar-artery
#14
Huijian Ge, Youxiang Li, Xianli Lv
PURPOSE: Giant intracranial aneurysms commonly cause poor clinical outcome and few studies focus on them. This study is to retrospectively report the angiographic and clinical presentations in unruptured giant saccular vertebrobasilar aneurysms with and without endovascular treatment. METHODS: Out of 400 patients who had unruptured posterior circulation aneurysms in a single center, we found 10 unruptured giant (>25mm) saccular vertebrobasilar aneurysms. Clinical and angiographic presentations as well as their clinical outcomes were assessed...
July 2016: Neurologia i Neurochirurgia Polska
https://www.readbyqxmd.com/read/27315445/multimodality-imaging-of-vertebrobasilar-dolichoectasia-clinical-presentations-and-imaging-spectrum
#15
REVIEW
Mohammad Samim, Alan Goldstein, Joseph Schindler, Michele H Johnson
Vertebrobasilar dolichoectasia (VBD) is characterized by ectasia, elongation, and tortuosity of the vertebrobasilar arteries, with a high degree of variability in clinical presentation. The disease origin is believed to involve degeneration of the internal elastic lamina, thinning of the media secondary to reticular fiber deficiency, and smooth muscle atrophy. The prevalence of VBD is variable, ranging from 0.05% to 18%. Most patients with VBD are asymptomatic and their VBD is detected incidentally; however, it is important to recognize that the presence of symptoms, which can lead to clinically significant morbidity and sometimes mortality, may influence clinical management...
July 2016: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/27313131/effect-of-intracranial-atherosclerotic-disease-on-endovascular-treatment-for-patients-with-acute-vertebrobasilar-occlusion
#16
Y W Kim, J M Hong, D G Park, J W Choi, D-H Kang, Y S Kim, O O Zaidat, A M Demchuk, Y H Hwang, J S Lee
BACKGROUND AND PURPOSE: Although intracranial atherosclerotic disease is often encountered during endovascular treatment for acute vertebrobasilar occlusions, its clinical implication is not well-known. We aimed to evaluate whether intracranial atherosclerotic disease influences the clinical outcomes following endovascular treatment of acute vertebrobasilar occlusive stroke. MATERIALS AND METHODS: Fifty-one patients with acute vertebrobasilar occlusive stroke were included...
June 16, 2016: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/27215913/state-of-art-in-surgical-treatment-of-dissecting-posterior-circulation-intracranial-aneurysms
#17
Vladimir Balik, Yasuhiro Yamada, Sandeep Talari, Yamashiro Kei, Hirotoshi Sano, Daisuke Suyama, Tukasa Kawase, Kiyoshi Takagi, Katsumi Takizawa, Yoko Kato
Vertebrobasilar (VB) intracranial dissecting aneurysms (IDAs) pose difficult therapeutic issues and are especially among the most difficult to manage surgically. There are, however, some cases where selective aneurysm obliteration by endovascular approach is impossible or is associated with an unacceptable risk of morbidity. This is particularly true when the aneurysm is dissecting, giant, or has a large neck. In such cases, surgical treatment may be the only alternative. Optimal management of these lesions is therefore challenging and treatment decisions have to be made on a case-by-case basis...
May 24, 2016: Neurosurgical Review
https://www.readbyqxmd.com/read/27143206/-endovascular-reconstructive-treatment-of-vertebrobasilar-fusiform-aneurysms-by-multiple-overlapping-stents-with-or-without-coils
#18
Peng Qi, Daming Wang, Jiachun Liu, Lijun Wang, Jun Lu
OBJECTIVE: To explore the feasibility, safety and efficacy of endovascular reconstructive treatment by multiple overlapping stents with or without coils. METHODS: Totally 17 patients of vertebrobasilar fusiform aneurysms treated by multiple overlapping stents with or without coils between September 2011 and September 2015 in Department of Neurosurgery, Beijing Hospital were retrospectively reviewed. There were 15 male and 2 female patients with mean age of (47±13) years...
May 1, 2016: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
https://www.readbyqxmd.com/read/27017283/evaluation-of-the-arterial-wall-in-vertebrobasilar-artery-dissection-using-high-resolution-magnetic-resonance-vessel-wall-imaging
#19
COMPARATIVE STUDY
Daisuke Arai, Takeshi Satow, Taro Komuro, Akira Kobayashi, Hirokazu Nagata, Susumu Miyamoto
BACKGROUND: High-resolution magnetic resonance vessel wall imaging (HRMR-VWI) has been used to explore vascular diseases such as vasculitis and vulnerable plaque of intracranial arteries. Although vessel wall inflammation is suspected as one of the causes of cerebral arterial dissection, there have been few reports regarding the application of HRMR-VWI to arterial dissection. We have therefore evaluated the efficacy of HRMR-VWI in patients with vertebrobasilar artery dissection. METHODS: HRMR-VWI was performed on 5 patients who had been diagnosed with nonhemorrhagic vertebrobasilar artery dissection...
June 2016: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/27015404/application-of-parallel-stent-placement-in-the-treatment-of-unruptured-vertebrobasilar-fusiform-aneurysms
#20
Jun Wang, Xin-Feng Liu, Bao-Min Li, Sheng Li, Xiang-Yu Cao, Yong-Ping Liang, Ai-Li Ge, Hui-Min Feng
OBJECTIVE Large vertebrobasilar fusiform aneurysms (VFAs) represent a small subset of intracranial aneurysms and are often among the most difficult to treat. Current surgical and endovascular techniques fail to achieve a complete or acceptable result because of complications, including late-onset basilar artery thrombosis and perforator infarction. The parallel-stent placement technique was established in the authors' department, and this study reports the application of this technique in the treatment of unruptured VFAs...
January 2017: Journal of Neurosurgery
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