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Arteriovenous Malformations

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https://www.readbyqxmd.com/read/28444946/a-review-of-radiofrequency-for-arteriovenous-malformations-and-the-impact-on-headache
#1
Lynda J Krasenbaum
No abstract text is available yet for this article.
May 2017: Headache
https://www.readbyqxmd.com/read/28439193/hysteroscopic-management-of-uterine-arteriovenous-malformation
#2
Stefano Calzolari, Mauro Cozzolino, Eleonora Castellacci, Valeria Dubini, Alfonso Farruggia, Giovanni Sisti
BACKGROUND AND OBJECTIVES: Uterine arteriovenous malformation (AVM) is characterized by shunts between the myometrial arteries and veins. Treatment is based on the severity of uterine bleeding and ranges from conservative medical approaches to embolization of affected arteries. The aim of study was to evaluate the feasibility and safety of hysteroscopy for management of uterine AVM. METHODS: This was a retrospective study of a cohort of 11 cases occurring between March 2012 and December 2015 in our Regional Center of Excellence in Hysteroscopy, University of Florence...
April 2017: JSLS: Journal of the Society of Laparoendoscopic Surgeons
https://www.readbyqxmd.com/read/28436714/a-hemorrhagic-complication-after-onyx-embolization-of-a-tentorial-dural-arteriovenous-fistula-a-caution-about-subdural-extension-with-pial-arterial-supply
#3
Kenichi Sato, Yasushi Matsumoto, Hidenori Endo, Teiji Tominaga
We report a case of tentorial dural arteriovenous fistula (DAVF) with a severe intracranial hemorrhage occurring after Onyx embolization. A 40-year-old man presented with an asymptomatic tentorial DAVF on angiography. Transarterial embolization with Onyx was performed via the middle meningeal artery, and the cast filled the fistula itself and its proximal draining vein. Postoperative angiography confirmed complete occlusion of the DAVF. A computed tomography scan performed immediately after the procedure demonstrated an acute subdural hematoma with the temporal hemorrhage...
January 1, 2017: Interventional Neuroradiology
https://www.readbyqxmd.com/read/28435119/linear-accelerator-stereotactic-radiosurgery-of-central-nervous-system-arteriovenous-malformations-a-15-year-analysis-of-outcome-related-factors-in-a-single-tertiary-center
#4
José Luis Thenier-Villa, Raúl Alejandro Galárraga-Campoverde, Rosa María Martínez Rolán, Adolfo Ramón De La Lama Zaragoza, Pedro Martínez Cueto, Víctor Muñoz Garzón, Manuel Salgado Fernández, Cesáreo Conde Alonso
No abstract text is available yet for this article.
April 20, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28431661/hwang-jh-do-ys-park-kb-chung-hh-park-hs-hyun-d-embolization-of-congenital-renal-arteriovenous-malformations-using-ethanol-and-coil-depending-on-angiographic-types-j-vasc-interv-radiol-2017-28-64-70
#5
(no author information available yet)
No abstract text is available yet for this article.
May 2017: Journal of Vascular and Interventional Radiology: JVIR
https://www.readbyqxmd.com/read/28431043/male-gender-associated-with-post-treatment-seizure-risk-of-pediatric-arteriovenous-malformation-patients
#6
Wuyang Yang, Erick M Westbroek, Heather Anderson-Keightly, Justin M Caplan, Xiaoming Rong, Alice L Hung, Maria Braileanu, Joanna Y Wang, Geoffrey P Colby, Alexander L Coon, Rafael J Tamargo, Edward S Ahn, Judy Huang
BACKGROUND: Seizure risk has not been fully characterized in pediatric patients with arteriovenous malformations (AVMs). OBJECTIVE: To describe the progression and risk factors of post-treatment seizure in children with AVMs. METHODS: We retrospectively reviewed pediatric patients diagnosed with intracranial AVMs at our institution between 1990 and 2013. Clinical and angiographic variables were included in univariate and multivariate Cox proportional hazard models to explore risk factors associated with time-related seizure outcomes...
April 20, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28431024/radiosurgery-for-unruptured-brain-arteriovenous-malformations-an-international-multicenter-retrospective-cohort-study
#7
Dale Ding, Robert M Starke, Hideyuki Kano, John Y K Lee, David Mathieu, John Pierce, Paul Huang, Symeon Missios, Caleb Feliciano, Rafael Rodriguez-Mercado, Luis Almodovar, Inga S Grills, Danilo Silva, Mahmoud Abbassy, Douglas Kondziolka, Gene H Barnett, L Dade Lunsford, Jason P Sheehan
BACKGROUND: The role of intervention in the management of unruptured brain arteriovenous malformations (AVM) is controversial. OBJECTIVE: To analyze in a multicenter, retrospective cohort study, the outcomes following radiosurgery for unruptured AVMs and determine predictive factors. METHODS: We evaluated and pooled AVM radiosurgery data from 8 institutions participating in the International Gamma Knife Research Foundation. Patients with unruptured AVMs and ≥12 mo of follow-up were included in the study cohort...
April 20, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28430880/cerebral-abscess-associated-with-odontogenic-bacteremias-hypoxemia-and-iron-loading-in-immunocompetent-patients-with-right-to-left-shunting-through-pulmonary-arteriovenous-malformations
#8
E J Boother, S Brownlow, H C Tighe, K B Bamford, J E Jackson, C L Shovlin
Background: Cerebral abscess is a recognised complication of pulmonary arteriovenous malformations (PAVMs) that allow systemic venous blood to bypass the pulmonary capillary bed through anatomic right-to-left shunts. Broader implications and mechanisms remain poorly explored. Methods: Between June 2005 and December 2016, at a single institution, 445 consecutive adult patients with CT-scan confirmed PAVMs (including 403 (90.5%) with hereditary haemorrhagic telangiectasia) were recruited to a prospective series...
April 19, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28427979/a-new-type-of-spinal-epidural-arteriovenous-fistulas-causes-spinal-epidural-hemorrhage-an-analysis-of-five-cases-and-natural-history-consideration
#9
Jia-Xing Yu, Tao Hong, Yong-Jie Ma, Feng Ling, Hong-Qi Zhang
BACKGROUND: Spinal epidural arteriovenous fistulas (SEDAVFs) are peculiar and poorly understood lesions with a poorly understood natural history. They are usually subclassified into two types according to their drainage components. This study aimed to describe a new type of SEDAVFs that is featured with a unique drainage pattern and present our natural history hypothesis of SEDAVFs. METHODS: Five SEDAVF cases of the new type were retrospectively reviewed from a high case-volume spinal vascular malformation database...
April 17, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28427974/factors-predicting-spontaneous-thrombosis-of-aggressive-cranial-dural-arteriovenous-fistulas
#10
Santhosh Kumar Kannath, Jayadevan Enakshy Rajan, Amirtendu Mukherjee, Sankara Sarma P
BACKGROUND: Dural arteriovenous fistula (DAVF) with cortical venous drainage (CVD) are known to be aggressive in clinical course and are usually managed promptly. Spontaneous resolution of DAVF is a rare phenomenon and usually occurs in benign type of fistulas. Spontaneous thrombosis of aggressive DAVF is an extremely rare occurrence. The present study aims to identify the incidence and factors determining spontaneous resolution of aggressive DAVF. METHODS: All the patients presenting to our institution with suspected DAVF during the study period (July 2013 - December 2015) were prospectively enrolled into a database...
April 17, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28427848/early-outcomes-and-periprocedural-complications-of-transarterial-embolization-of-brain-arteriovenous-malformations-with-onyx-%C3%A2
#11
Wojciech Poncyljusz, Marcin Sawicki, Katarzyna Lubkowska, Monika Rać
BACKGROUND: Brain arteriovenous malformation (BAVM) is a rare pathology diagnosed mostly in young adults. However, due to its hemorrhagic complications, it constitutes an important clinical problem. Treatment modalities available include endovascular, surgery and radiosurgery. The aim of the study was to assess the efficacy and safety of endovascular treatment of BAVM with Onyx(®) by reporting one-center experience. MATERIAL AND METHODS: Between 2006 and 2013, 54 patients with BAVM were embolized with Onyx...
April 5, 2017: Neurologia i Neurochirurgia Polska
https://www.readbyqxmd.com/read/28424275/outcomes-after-intracerebral-hemorrhage-from-arteriovenous-malformations
#12
Santosh B Murthy, Alexander E Merkler, Setareh Salehi Omran, Gino Gialdini, Aaron Gusdon, Benjamin Hartley, David Roh, Halinder S Mangat, Costantino Iadecola, Babak B Navi, Hooman Kamel
OBJECTIVE: To compare outcomes after intracerebral hemorrhage (ICH) from cerebral arteriovenous malformation (AVM) rupture and other causes of ICH. METHODS: We performed a retrospective population-based study using data from the Nationwide Inpatient Sample. We used standard diagnosis codes to identify ICH cases from 2002 to 2011. Our predictor variable was cerebral AVM. Our primary outcomes were inpatient mortality and home discharge. We used logistic regression to compare outcomes between patients with ICH with and without AVM while adjusting for demographics, comorbidities, and hospital characteristics...
April 19, 2017: Neurology
https://www.readbyqxmd.com/read/28424013/anterior-spinal-artery-aneurysm-in-aortic-stenosis-of-different-etiology-report-of-three-cases
#13
Vivek Singh, Suprava Naik, Sanjeev K Bhoi, R V Phadke
Isolated aneurysms of spinal arteries are rare. Spinal artery aneurysms are commonly found in association with spinal cord arteriovenous malformation and coarctation of aorta and rarely with aortic arch interruption and Klippel-Trenaunay syndrome. Spinal angiograms are the gold standard for diagnosing these spinal artery aneurysms but with the advances in computed tomography technology these aneurysms can also be very well demonstrated in computed tomography angiograms. We describe three cases of anterior spinal artery aneurysm, those are flow related aneurysms, associated with coarctation of aorta and with Takayasu arteritis...
April 2017: Neuroradiology Journal
https://www.readbyqxmd.com/read/28421824/thrombosis-of-the-draining-vein-causes-intracranial-haemorrhage-in-the-natural-history-of-brain-arteriovenous-malformation-case-report
#14
Raita Fukaya, Katsuhiro Mizutani, Masahito Fukuchi, Koji Fujii
Rupture of arteriovenous malformations (AVM) may be caused by venous outflow restriction, but there is no radiographic evidence of this. We report a case showing only a venous thrombus preceding intracranial haemorrhage from AVM. This is the first evidence that venous thrombus results in AVM rupture in its natural history.
April 19, 2017: British Journal of Neurosurgery
https://www.readbyqxmd.com/read/28421188/pulmonary-arteriovenous-malformations-evidence-of-physician-under-education
#15
Claire L Shovlin, James R Gossage
PAVMs pose unique management challenges; publication patterns indicate their importance remains poorly recognised http://ow.ly/7iIT304WYl2.
April 2017: ERJ Open Research
https://www.readbyqxmd.com/read/28420371/effect-of-pulmonary-arteriovenous-malformations-on-the-mechanical-properties-of-the-lungs
#16
Cécile Rotenberg, Marcel Bonay, Mostafa El Hajjam, Sandra Blivet, Alain Beauchet, Pascal Lacombe, Thierry Chinet
BACKGROUND: Pulmonary arteriovenous malformations (PAVMs) are present in approximately 15-50% individuals with hereditary hemorrhagic telangiectasia (HHT). They may be isolated but more often are multiple. The goal of this study was to evaluate the influence of PAVMs on lung mechanical properties. METHODS: We reviewed the files of all adult patients (age ≥ 18 years) referred to our Center for evaluation of HHT between 2005 and 2013. The diagnosis of HHT was based on the Curacao criteria and/or the presence of a pathogenic mutation...
April 19, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/28419337/targeted-embolization-of-aneurysms-associated-with-brain-arteriovenous-malformations-at-high-risk-for-surgical-resection-a-case-control-study
#17
Matthew D Alexander, Daniel S Hippe, Daniel L Cooke, Danial K Hallam, Steven W Hetts, Helen Kim, Michael T Lawton, Laligam N Sekhar, Louis J Kim, Basavaraj V Ghodke
BACKGROUND: High-risk components of brain arteriovenous malformations (BAVMs) can be targeted to reduce the risk of lesion rupture. OBJECTIVE: To evaluate targeted embolization of aneurysms against other means of treatment with a case-control analysis; we previously investigated this approach associated with BAVMs. METHODS: Retrospective analysis of patients with BAVMs was performed, identifying patients treated with intention to occlude only an aneurysm associated with a BAVM...
April 13, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28415058/-a-case-of-arteriovenous-malformation-of-the-parotid-gland-associated-with-cowden-disease
#18
Kazuhiko Nishi, Satoshi Murai, Hisakazu Itami, Shinji Otsuka, Noboru Kusaka, Tsukasa Nishiura, Nobuhiko Kimura, Kotaro Ogihara
We report a rare case of arteriovenous malformation(AVM)of the parotid gland associated with Cowden disease successfully treated with preoperative embolization followed by surgical removal. A 39-year-old man with a history of Cowden disease presented with a pulsating and growing mass on his left lower jaw. Contrast-enhanced computed tomography(CT)and angiography revealed a high-flow AVM in the deep lobe of the left parotid gland. After intravascular embolization of the feeding arteries, surgery was performed using the NIM-response<sup>®</sup>3...
April 2017: No Shinkei Geka. Neurological Surgery
https://www.readbyqxmd.com/read/28414573/phosphatidylserine-translocation-after-radiosurgery-in-an-animal-model-of-arteriovenous-malformation
#19
Newsha Raoufi Rad, Lucinda S McRobb, Zhenjun Zhao, Vivienne S Lee, Nirav J Patel, Anas Sarwar Qureshi, Michael Grace, Joshua J McHattan, Jude V Amal Raj, Hong Duong, Saleh R Kashba, Marcus A Stoodley
Phosphatidylserine (PS) is asymmetrically distributed across the plasma membrane, located predominantly on the inner leaflet in healthy cells. Translocation of PS to the outer leaflet makes it available as a target for biological therapies. We examined PS translocation after radiosurgery in an animal model of brain arteriovenous malformation (AVM). An arteriovenous fistula was created by end-to-side anastomosis of the left external jugular vein to the common carotid artery in 6-week-old, male Sprague Dawley rats...
April 17, 2017: Radiation Research
https://www.readbyqxmd.com/read/28413072/progressive-regression-of-intracranial-arteriovenous-malformations-after-onyx-embolization
#20
Damian Kocur, Nikodem Przybyłko, Mariusz Hofman, Tomasz Jamróz, Hanna Doleżych, Jan Baron, Stanisław Kwiek
Progressive regression of cerebral arteriovenous malformations (AVMs) is a rare phenomenon that may occur spontaneously or after previous surgical or endovascular incomplete obliteration. We present two cases of AVMs occluded partially with Onyx followed by the unexpected cure of the lesions with the angiographic evidences as well as multiannual follow-up.
April 4, 2017: Neurologia i Neurochirurgia Polska
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