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dural arteriovenous

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https://www.readbyqxmd.com/read/29777886/stereotactic-radiosurgery-for-high-grade-intracranial-dural-arteriovenous-fistulas
#1
Ching-Jen Chen, Thomas J Buell, Joshua Diamond, Dale Ding, Jeyan S Kumar, Davis G Taylor, Cheng-Chia Lee, Jason P Sheehan
OBJECTIVE: Factors associated with favorable outcome following stereotactic radiosurgery (SRS) for dural arteriovenous fistulas (DAVFs) with cortical venous reflux (CVR) are incompletely understood. The aim of this retrospective cohort study is to assess the outcomes after SRS for high-grade DAVFs and identify predictors. METHODS: We performed a retrospective review of consecutive patients with high-grade DAVFs, defined as the presence of CVR, who underwent SRS between 1989 and 2017...
May 16, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29765395/progressive-neurological-decline-with-deep-bilateral-imaging-changes-a-protean-presentation-of-dural-arteriovenous-fistulae
#2
Rene A Colorado, Marcelo Matiello, Hyun-Sik Yang, James D Rabinov, Aman Patel, Joshua A Hirsch, Ram Chavali, Thabele M Leslie-Mazwi
Intracranial dural arteriovenous fistulae (DAVF) within the deep cerebral vasculature are diagnostically challenging because of their variable clinical presentation and typical bilateral neuroimaging findings mimicking inflammatory, infectious, and metabolic processes. Increasingly, reports have emerged highlighting the diagnostic and treatment challenges of these lesions and their associated high morbidity and rapid clinical deterioration when untreated. We describe here a case series of 4 patients with deep cerebral DAVF who presented with impaired arousal or memory and behavioral changes...
April 2018: Interventional Neurology
https://www.readbyqxmd.com/read/29751188/reversible-cerebral-vasoconstriction-syndrome-as-an-unusual-complication-of-a-dural-arteriovenous-fistula-treated-with-onyx-embolization
#3
Douglas Gonsales, Fabiano das Gracas, Roberta Santos, Pedro Aguilar-Salinas, Ricardo A Hanel
BACKGROUND: Reversible cerebral vasoconstriction syndrome (RCVS) is a rare entity with an unknown pathophysiology. RCVS has been reported to occur more frequently in women aged 20 to 50 years. Several mechanisms have been postulated involving transient deregulation of cerebral arterial tone, small vessel endothelial dysfunction, biochemical factors, hormonal deregulation, oxidative stress, and genetic predisposition. All these mechanisms and triggers are related with sympathetic over-activation which eventually produce vasoconstriction...
May 8, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29742722/arterial-spin-labeling-mr-imaging-aids-to-identify-cortical-venous-drainage-of-dural-arteriovenous-fistulas
#4
Ji Hee Kang, Tae Jin Yun, Jong Kook Rhim, Young Dae Cho, Dong Hyun Yoo, Roh-Eul Yoo, Koung Mi Kang, Seung Hong Choi, Ji-Hoon Kim, Chul-Ho Sohn, Moon Hee Han
Cortical venous drainage (CVD) increases the probability of intracranial hemorrhage and mortality rate of dural arteriovenous fistulas (DAVF). Although digital subtraction angiography (DSA) is the most accurate method to determine CVD in DAVFs, this modality has limitations due to its invasive nature and radiation issues. The purpose of this study was to evaluate the diagnostic utility of arterial spin-labeling perfusion-weighted images (ASL-PWI) to identify CVD in patients with DAVF.The Institutional Review Board of our hospital approved this retrospective study...
May 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29733399/microsurgical-resection-of-a-type-1-spinal-dural-arteriovenous-fistula-a-3-dimensional-operative-video
#5
(no author information available yet)
No abstract text is available yet for this article.
May 4, 2018: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29729465/the-procedure-related-complications-of-transarterial-onyx-embolization-of-dural-arteriovenous-fistula-using-transvenous-balloon-protection
#6
Feng Guo, Yupeng Zhang, Shikai Liang, Fei Liang, Peng Yan, Chuhan Jiang
OBJECTIVE: Transarterial embolizatioin with transvenous balloon protection has been described as a promising technique for intracranial dural arteriovenous fistula. The aim of our study was to report our preliminary experiences of this technique with regard to its safety and efficacy, emphasize the procedure-related complications. METHODS: Fourteen consecutive patients with DAVF were treated with transvenous balloon assisted technique between March 2014 and November 2017...
May 2, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29726736/dural-arteriovenous-fistula-of-the-lateral-foramen-magnum-region-a-review
#7
Chao Li, Jing Yu, Kailing Li, Kun Hou, Jinlu Yu
The lateral foramen magnum region is defined as the bilateral occipital area that runs laterally up to the jugular foramen. The critical vasculatures of this region are not completely understood. Dural arteriovenous fistulas that occur in this region are rare and difficult to treat. Therefore, we searched PubMed to identify all relevant previously published English language articles about lateral foramen magnum dural arteriovenous fistulas, and we performed a review of this literature to increase understanding about these fistulas...
January 1, 2018: Interventional Neuroradiology
https://www.readbyqxmd.com/read/29724762/endovascular-treatment-of-dural-arteriovenous-fistulas-using-transarterial-liquid-embolization-in-combination-with-transvenous-balloon-assisted-protection-of-the-venous-sinus
#8
D F Vollherbst, C Ulfert, U Neuberger, C Herweh, M Laible, S Nagel, M Bendszus, M A Möhlenbruch
BACKGROUND AND PURPOSE: Sinus-preserving endovascular embolization was described as a promising treatment technique for dural arteriovenous fistulas. Our aim was to report our single-center experience in patients with dural arteriovenous fistulas who were treated with transarterial liquid embolization in combination with transvenous balloon-assisted protection of the affected venous sinus. MATERIALS AND METHODS: A retrospective analysis of a prospectively collected data base was performed...
May 3, 2018: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/29686166/-percutaneous-transluminal-sinus-stenting-for-sigmoid-sinus-stenosis-associated-with-transverse-sigmoid-sinus-dural-arteriovenous-fistula-a-case-report
#9
Yoshiaki Tetsuo, Hiroyuki Matsumoto, Hirokazu Nishiyama, Hideki Takemoto, Naoyuki Nakao
We report a case of transverse sinus-sigmoid sinus dural arteriovenous fistula(T-S dAVF)with venous flow congestion, which was accompanied by sigmoid sinus stenosis and treated with percutaneous transluminal sinus stenting. A 76-year-old woman presented with dementia and disturbance of consciousness. Magnetic resonance imaging(MRI)on admission revealed subcortical edema in the left occipital lobe and angiography demonstrated a left T-S dAVF with right transverse sinus occlusion and sigmoid sinus stenosis. Hemodynamics of the shunt flow from several feeders demonstrated retrograde flow to the straight sinus and superior sagittal sinus, and antegrade flow into the left internal jugular vein...
April 2018: No Shinkei Geka. Neurological Surgery
https://www.readbyqxmd.com/read/29680304/spinal-dural-arteriovenous-fistula-assumed-to-be-symptomatic-after-placement-of-lumbar-cerebrospinal-fluid-drain
#10
Senshu Nonaka, Hidenori Oishi, Satoshi Tsutsumi, Koichiro Sakamoto, Hidehiro Okura, Takamoto Suzuki, Hisato Ishii, Yukimasa Yasumoto
A 69-year-old man presented with severe headache. Cranial computed tomography revealed diffuse subarachnoid hemorrhage. An anterior communicating artery aneurysm was identified and successfully obliterated by open microsurgery on the same day. Following placement of a continuous lumbar cerebrospinal fluid drain on hospitalization day 7, the patient developed a severe paraplegia and sensory loss below T6. Cerebral magnetic resonance imaging did not identify a responsible lesion. Spinal magnetic resonance imaging, however, showed extensive intramedullary hyperintensity on T2-weighted sequences...
April 18, 2018: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/29676670/timing-severity-of-deficits-and-clinical-improvement-after-surgery-for-spinal-dural-arteriovenous-fistulas
#11
Michael M Safaee, Aaron J Clark, Jan-Karl Burkhardt, Ethan A Winkler, Michael T Lawton
OBJECTIVE Spinal dural arteriovenous fistulas (dAVFs) are rare vascular abnormalities caused by arteriovenous shunting. They often form at the dural root sleeve between a radicular feeding artery and draining medullary vein causing venous congestion and edema, decreased perfusion, and ischemia of the spinal cord. Treatment consists of either surgical ligation of the draining vein or selective embolization via an endovascular approach. There is a paucity of data on which modality provides more durable and effective outcomes...
April 20, 2018: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/29676328/papilledema-revisiting-after-sinus-angioplasty-of-chronic-cerebral-venous-sinus-thrombosis
#12
Vaibhav Kumar Jain, Vivek Singh, Vikas Kannaujia, Priyadarshini Mishra, Rajendra Vishnu Phadke, Kumudini Sharma
This case series aimed to review the significance of revisiting papilledema after successful cerebral venous sinus thrombosis (CVST) management with sinus angioplasty. Four patients presented with blurring and transient obscuration of vision with papilledema, headache, tinnitus, and vomiting. On magnetic resonance venography and digital subtraction angiography, chronic transverse sinus thrombosis was diagnosed for which patients underwent endovascular intervention (stenting). After the resolution of CVST, patients developed the recurrence of symptoms which on digital subtraction angiography revealed dural arteriovenous malformation (DAVM)...
May 2018: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/29674324/indications-for-the-performance-of-intracranial-endovascular-neurointerventional-procedures-a-scientific-statement-from-the-american-heart-association
#13
REVIEW
Clifford J Eskey, Philip M Meyers, Thanh N Nguyen, Sameer A Ansari, Mahesh Jayaraman, Cameron G McDougall, J Kevin DeMarco, William A Gray, David C Hess, Randall T Higashida, Dilip K Pandey, Constantino Peña, Hermann C Schumacher
Intracranial endovascular interventions provide effective and minimally invasive treatment of a broad spectrum of diseases. This area of expertise has continued to gain both wider application and greater depth as new and better techniques are developed and as landmark clinical studies are performed to guide their use. Some of the greatest advances since the last American Heart Association scientific statement on this topic have been made in the treatment of ischemic stroke from large intracranial vessel occlusion, with more effective devices and large randomized clinical trials showing striking therapeutic benefit...
April 19, 2018: Circulation
https://www.readbyqxmd.com/read/29668636/spinal-dural-arteriovenous-fistula-presenting-with-subarachnoid-hemorrhage-a-case-report
#14
Jingzhe Han, Duanhua Cao, Hongmei Wang, Ye Ji, Zhilei Kang, Jianguo Zhu
RATIONALE: Subarachnoid hemorrhage (SAH) is a common and serious disease and one of the most important differential diagnoses in the emergency department. PATIENT CONCERNS: A 39-year-old female patient with a 12 years' history of migraine, presented with a sudden headache combined with motor aphasia. Physical examination suggested probable positive neck resistance. SAH was confirmed by magnetic resonance imaging. In addition, spinal digital subtraction angiography and spinal vascular computed tomography angiography indicated spinal arteriovenous malformation (SAVM)...
April 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29660065/in-reply-angio-architectural-features-of-high-grade-intracranial-dural-arteriovenous-fistulas-correlation-with-aggressive-clinical-presentation-and-hemorrhagic-risk
#15
https://www.readbyqxmd.com/read/29660030/letter-angio-architectural-features-of-high-grade-intracranial-dural-arteriovenous-fistulas-correlation-with-aggressive-clinical-presentation-and-hemorrhagic-risk
#16
Sandra A Cornelissen, Leonard L L Yeo, Michael Söderman
No abstract text is available yet for this article.
April 11, 2018: Neurosurgery
https://www.readbyqxmd.com/read/29657906/imaging-characteristics-of-dural-arteriovenous-fistulas-involving-the-vein-of-galen-a-comprehensive-review
#17
REVIEW
Mohammad W Kassem, Paul J Choi, Joe Iwanaga, Martin M Mortazavi, R Shane Tubbs
Vein of Galen aneurysmal malformation (VGAM) is a rare angiopathy, which most commonly presents in infancy. Although very rare, it is associated with high morbidity and mortality rates. In order to minimize such morbid rates, a prompt diagnosis followed by a timely initiation of management is crucial. Multiple antenatal and postnatal imaging techniques for the diagnosis have been described and discussed in the literature. However, to our knowledge, a comprehensive review exploring such a list of imaging options for VGAM has never been established...
February 11, 2018: Curēus
https://www.readbyqxmd.com/read/29649643/estimating-the-global-incidence-of-aneurysmal-subarachnoid-hemorrhage-a-systematic-review-for-central-nervous-system-vascular-lesions-and-meta-analysis-of-ruptured-aneurysms
#18
REVIEW
Joshua D Hughes, Kamila M Bond, Rania A Mekary, Michael C Dewan, Abbas Rattani, Ronnie Baticulon, Yoko Kato, Hildo Azevedo-Filho, Jacques J Morcos, Kee B Park
INTRODUCTION: There is increasing acknowledgement that surgical care is important in global health initiatives. In particular, neurosurgical care is as limited as 1-to-10 million people in parts of the world. We performed a systematic literature review to examine the worldwide incidence of central nervous system vascular lesions (CNS-VL) and a meta-analysis of aneurysmal subarachnoid hemorrhage (ASAH) in order to define the disease burden and inform neurosurgical global health efforts...
April 9, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29624150/frequency-and-characteristics-associated-with-inherited-thrombophilia-in-patients-with-intracranial-dural-arteriovenous-fistula
#19
Sara C LaHue, Helen Kim, Ludmila Pawlikowska, Jeffrey Nelson, Daniel L Cooke, Steven W Hetts, Vineeta Singh
OBJECTIVE The pathogenesis of dural arteriovenous fistulas (DAVFs) remains poorly defined. Prior studies on thrombophilia as a risk factor for DAVF development are limited by small sample sizes and poor generalizability. METHODS In this longitudinal observational study, all patients with intracranial DAVFs evaluated at the University of California, San Francisco from December 1994 through April 2014 were identified. After obtaining patient consent, 3 thrombophilic mutations, factor V Leiden (rs6025), MTHFR (rs1801133), and prothrombin G20210A, were genotyped...
April 6, 2018: Journal of Neurosurgery
https://www.readbyqxmd.com/read/29613893/vascular-disorders-of-the-spinal-cord
#20
Christopher L Kramer
PURPOSE OF REVIEW: Prompt recognition and timely management of vascular disorders of the spinal cord can improve patient outcomes. This article provides contemporary and practical knowledge about the most common vascular myelopathies. RECENT FINDINGS: New studies have provided additional information on the risk factors and impact of neurologic monitoring on perioperative spinal cord infarction. Additionally, recent publications have provided information on the impact of misdiagnosis, corticosteroid treatment, and postoperative prognosis in the treatment of spinal dural arteriovenous fistulas and have discussed the outcome of patients with spinal arteriovenous malformations treated with embolization, surgery, and stereotactic radiosurgery...
April 2018: Continuum: Lifelong Learning in Neurology
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