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Cerebral arteriovenous malformation

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https://www.readbyqxmd.com/read/29791997/letter-to-the-editor-regarding-rupture-risk-of-cerebral-arteriovenous-malformations-during-pregnancy-and-puerperium-a-single-center-experience-and-pooled-data-analysis
#1
Ximeng Yang, Gengfan Ye, Daming Wang
No abstract text is available yet for this article.
June 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29788334/microsurgical-resection-of-ruptured-large-left-temporo-occipital-arteriovenous-malformation-3-dimensional-operative-video
#2
Chun-Yu Cheng, Rakshith Shetty, Laligam N Sekhar
A 59-yr-old man presented with intraventricular hemorrhage and was found to have a large temporo-occipital arteriovenous malformation (AVM), Spetzler-Martin grade 4. The preoperative intra-arterial digital subtraction angiography (IADSA) showed the AVM was 4 × 4 cm2, had superficial and deep venous drainage, and was fed by multiple branches of the posterior cerebral artery and middle cerebral artery. Preoperative embolization was done in 4 stages. He underwent a left temporo-occipital craniotomy, mastoidectomy, and retrosigmoid craniotomy with a posterior temporal approach...
May 18, 2018: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29780232/cerebral-arteriovenous-malformations-in-the-era-of-embolization-for-angiographic-cure-a-single-center-experience-in-egypt
#3
Mohamed K Elewa
Background: Embolization for cerebral arteriovenous malformations (AVMs) has evolved in the last decade with evolution in both equipment and material. Embolization targets have expanded to include angiographic cure. Methods: To discuss the technical and management outcomes of our first cerebral AVM case series treated with embolization. The clinical, angiographic, treatment, and outcome variables of consecutive cerebral arteriovenous malformation cases, treated with curative embolization, between January 2011 and June 2017 in one regional center, were retrospectively analyzed...
2018: The Egyptian journal of neurology, psychiatry and neurosurgery
https://www.readbyqxmd.com/read/29752992/radiosurgery-reduces-plasma-levels-of-angiogenic-factors-in-brain-arteriovenous-malformation-patients
#4
Ming Xu, Xiaoxia Liu, Guanghai Mei, Junjie Zhang, Weixing Wang, Hongzhi Xu
PURPOSE: Aberrant expression of angiogenic factors has been anecdotally documented in brain arteriovenous malformation (AVM) nidus vessels; however, no data is available on the effect of radiosurgery on the levels of angiogenic factors in AVM patients. We sought to determine the plasma contents of VEGF, TGF-β, Ang-2 and bFGF in 28 brain AVM patients at baseline and post radiosurgery and further analyzed the relationship between plasma contents of these angiogenic factors with clinicopathologic variables of these patients...
May 9, 2018: Brain Research Bulletin
https://www.readbyqxmd.com/read/29750679/reflections-on-50-years-of-neuroscience-nursing-the-growth-of-stroke-nursing
#5
Nancy Jackson, Elaine Haxton, Kathy Morrison, Erin Markey, Linda J Andreoli, Theresa Maloney, Nataliya Omelchenko, Amanda Aroose, Lynn B Stevens
Over the past 50 years, the Journal of Neuroscience Nursing (JNN) has grown from a neurosurgical focus to the broader neuroscience focus alongside the professional nursing organization that it supports. Stroke care in JNN focused on the surgical treatment and nursing care for cranial treatment of conditions such as cerebral aneurysm, carotid disease, arteriovenous malformation, and artery bypass procedures. As medical science has grown and new medications and treatment modalities have been successfully trialed, JNN has brought to its readership this information about recombinant tissue plasminogen activator, endovascular trials, and new assessment tools such as the National Institute of Health Stroke Scale...
May 10, 2018: Journal of Neuroscience Nursing: Journal of the American Association of Neuroscience Nurses
https://www.readbyqxmd.com/read/29676328/papilledema-revisiting-after-sinus-angioplasty-of-chronic-cerebral-venous-sinus-thrombosis
#6
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
#7
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...
May 22, 2018: Circulation
https://www.readbyqxmd.com/read/29660051/resection-of-right-frontal-arteriovenous-malformation-3-dimensional-operative-video
#8
William T Couldwell
The video demonstrates resection of a Grade II Spetzler-Martin unruptured, medium-sized arteriovenous malformation (AVM). A young woman presented with headaches and seizures. The right frontal lesion measured 4.5 cm in largest dimension and had superficial venous drainage. Partial Onyx embolization, primarily of the anterior cerebral feeding arteries, was performed. Bone removal for exposure allowed identification of indentation from the large superficial draining vein. The video demonstrates careful microsurgical dissection on the AVM/brain interface, with selective interruption of feeding arteries circumferentially...
April 11, 2018: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29628339/ischemic-stroke-secondary-to-paradoxical-embolism-through-a-pulmonary-arteriovenous-malformation-case-report-and-review-of-the-literature
#9
Ryan Cappa, Jeanette Du, Joseph F Carrera, Jimmy V Berthaud, Andrew M Southerland
Paradoxical embolism due to isolated pulmonary arteriovenous malformation (AVM) is an uncommon cause of ischemic stroke, with the majority occurring in patients who have not yet been diagnosed with their malformation. We report a 32-year-old man who presented with an abrupt onset of right facial weakness and expressive aphasia. Brain magnetic resonance imaging revealed an acute infarct in the left middle cerebral artery territory and chronic infarcts in the bilateral cerebellar hemispheres. A cardioembolic mechanism was initially considered in the setting of perimyocarditis diagnosed a few months earlier...
April 5, 2018: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/29622371/a-reanalysis-of-predictors-for-the-risk-of-hemorrhage-in-brain-arteriovenous-malformation
#10
Zheng Huang, Kang Peng, Changqing Chen, Feiyue Zeng, Junyu Wang, Fenghua Chen
BACKGROUND: Brain arteriovenous malformation (BAVM) is a congenital cerebral vascular disease that characterized with intracranial hemorrhage and epilepsy. It has some risk in current treatments including microsurgery, endovascular, and radiation therapy. Some patients with bAVMs may keep unruptured in their whole life. Whether it should be treated depends on the evaluation of the hemorrhage risk of bAVM. Although previous studies gave many significant predictors, we tried to find some new and more significant predictors in 173 patients with bAVMS by retrospective analysis...
April 2, 2018: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/29582979/contemporary-endovascular-techniques-for-the-curative-treatment-of-cerebral-arteriovenous-malformations-and-review-of-neurointerventional-outcomes
#11
Pascal J Mosimann, René Chapot
INTRODUCTION: Since the first landmark randomized trials on unruptured bAVMs were published, there has been emerging concerns about the role of endovascular therapy. For bAVMs considered inoperable, embolization remains an option worth considering, especially in young patients presenting with a rupture. We aimed to review the curative potential of contemporary stand-alone embolization techniques enabling high occlusion rates and their respective short and long term safety profile. PATIENTS AND METHODS: We performed a PubMed search with the terms "curative embolization of brain arteriovenous malformations" and "endovascular cure of brain arteriovenous malformations" focusing on the last ten years (2008-2018) and compliant to the PRISMA reporting guidelines...
March 26, 2018: Journal of Neurosurgical Sciences
https://www.readbyqxmd.com/read/29572169/surgical-management-of-adverse-radiation-effects-after-gamma-knife-radiosurgery-for-cerebral-arteriovenous-malformations-a-population-based-cohort-study
#12
Pietro Meneghelli, Alberto Pasqualin, Piergiuseppe Zampieri, Michele Longhi, Roberto Foroni, Antonio Sini, Nicola Tommasi, Antonio Nicolato
OBJECTIVE: The goal of this study is to report our experience in the surgical treatment of cAVMs related permanent symptomatic adverse radiation effects (PSARE), in order to clarify an appropriate surgical management and identify the risk factors related to their development. METHODS: We evaluated a total of 549 patients treated with Gamma Knife radiosurgery (GKRS) for cAVMs with a follow-up of at least 8 years. Univariate and multivariate analyses were used to test different risk factors related to the development of PSARE...
March 20, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29554843/targeted-endovascular-treatment-of-haemorrhagic-posterior-fossa-proliferative-angiopathy
#13
Suresh Giragani, Santhosh Kumar Pavunesan, Anandh Balasubramaniam
Cerebral proliferative angiopathy (CPA) is a rare vascular abnormality and separate from "classical" brain arteriovenous malformations. Haemorrhage due to proliferative angiopathy is rarely reported. We describe the clinical features, imaging findings and targeted endovascular management for a 12-year-old boy having proliferative angiopathy of the posterior fossa presenting with haemorrhage. Targeted endovascular embolisation in CPA is not previously described in the literature. The optimal treatment options for haemorrhagic CPA are debatable, and we wish to highlight the role of targeted treatment for culprit focal lesion demonstrable on imaging...
January 1, 2018: Interventional Neuroradiology
https://www.readbyqxmd.com/read/29541563/preoperative-embolization-in-tandem-with-surgical-resection-for-cerebral-arteriovenous-malformations
#14
Richa Thakur, Ali S Haider, Ashley Thomas, Steven Vayalumkal, Umair Khan, Tijani Osumah, Kyle Doughty, Sam Finn, Kennith F Layton
A number of treatment options are available for cerebral arteriovenous malformations (AVMs) including surgical resection, stereotactic radiosurgery, and endovascular embolization. Endovascular embolization may be used pre-operatively to reduce the size of large AVMs and thus reduce surgical complications. Here we present two patients who successfully underwent preoperative embolization of their AVMs and subsequent surgery. Preoperative embolization is a viable option for AVMs to reduce complications and improve patient outcomes...
January 8, 2018: Curēus
https://www.readbyqxmd.com/read/29534345/large-pulmonary-arteriovenous-malformation-with-paradoxical-cerebral-infarction
#15
Ashok Gunawardene, Sean Galvin
No abstract text is available yet for this article.
March 13, 2018: ANZ Journal of Surgery
https://www.readbyqxmd.com/read/29532185/polypoid-pulmonary-arteriovenous-malformation-causing-hemothorax-treated-with-thoracoscopic-wedge-resection
#16
Haruhiko Shiiya, Yasuhiro Suzuki, Shigeo Yamazaki, Kichizo Kaga
BACKGROUND: Pulmonary arteriovenous malformations (PAVMs) can be associated with life-threatening complications such as paradoxical embolization, cerebral abscess, and hemothorax. Therefore, all adults with PAVMs should be offered treatment. Percutaneous transcatheter embolization is the first-line treatment, but 5-25% of cases require further treatment due to persistence after embolization. Recently, the role of minimally invasive thoracic surgery as a definitive treatment has been evaluated...
March 12, 2018: Surgical Case Reports
https://www.readbyqxmd.com/read/29518249/characteristics-and-long-term-outcome-of-127-children-with-cerebral-arteriovenous-malformations
#17
Elias Oulasvirta, Päivi Koroknay-Pál, Ahmad Hafez, Ahmed Abou Elseoud, Hanna Lehto, Aki Laakso
BACKGROUND: Population-based long-term data on pediatric patients with cerebral arteriovenous malformations (AVMs) are limited. OBJECTIVE: To clarify the characteristics and long-term outcome of pediatric patients with AVM. METHODS: A retrospective analysis was performed on 805 consecutive brain AVM patients admitted to a single center between 1942 and 2014. The patients were defined as children if they were under 18 yr at admission. Children were compared to an adult cohort...
March 5, 2018: Neurosurgery
https://www.readbyqxmd.com/read/29510289/-ethmoid-meningoencephalocele-in-a-patient-with-cerebrofacial-arteriovenous-metameric-syndrome-a-case-report
#18
Rodrigo Fernandez-Gajardo, Joao Paulo Almeida, Suganth Suppiah, Ian Witterick, Gelareh Zadeh
BACKGROUND: Skull base meningoencephaloceles are a rare condition, frequently secondary to traumatic or iatrogenic causes. Cerebrofacial arteriovenous metameric syndrome (CAMS) is characterized by the presence of retinal, facial and cerebral arteriovenous malformations (AVMs) with metameric distribution. To the best of our knowledge, this is the first reported case associating these two conditions. CASE DESCRIPTION: A 45 years old female previously diagnosed with CAMS type 2 presented with a long history of cerebrospinal fluid (CSF) rhinorrhea...
March 3, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29501883/positive-pharmacologic-provocative-testing-with-methohexital-during-cerebral-arteriovenous-malformation-embolization
#19
Orhan Bican, Charles Cho, Leslie Lee, Viet Nguyen, Scheherazade Le, Jeremy Heit, Jaime Lopez
A middle-aged patient underwent staged endovascular embolization of a Spetzler-Martin grade V right parietal arteriovenous malformation(AVM).In the fifth endovascular embolization, after methohexital 10 mg injection into a right posterior choroidal artery feeding the AVM nidus, there was an immediate change in the electroencephalogram (EEG) with simultaneous loss of motor evoked potentials (MEPs) in the bilateral upper and lower extremities and a delayed change in somatosensory evoked potential responses (SSEPs)...
February 25, 2018: Clinical Imaging
https://www.readbyqxmd.com/read/29500892/anatomy-of-the-feeding-arteries-of-the-cerebral-arteriovenous-malformations
#20
Biljana Milatović, Jovica Saponjski, Haris Huseinagić, Mirza Moranjkić, Svetlana Milošević Medenica, Ivan Marinković, Igor Nikolić, Slobodan Marinkovic
BACKGROUND: Identification and anatomic features of the feeding arteries of the arteriovenous malformations (AVMs) is very important due to neurologic, radiologic, and surgical reasons. MATERIALS AND METHODS: Seventy-seven patients with AVMs were examined by using a digital subtraction angiographic (DSA) and computerized tomographic (CT) examination, including 3D reconstruction of the brain vessels. In addition, the arteries of 4 human brain stems and 8 cerebral hemispheres were microdissected...
March 3, 2018: Folia Morphologica (Warsz)
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