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Intracranial Arteriovenous fistulas

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https://www.readbyqxmd.com/read/28720740/-tentorial-dural-arteriovenous-fistula-successfully-treated-with-transvenous-embolization-using-a-double-catheterization-technique-through-venous-drainage-a-case-report
#1
Akira Yamakawa, Atsushi Fujita, Hirotomo Tanaka, Mitsuru Ikeda, Masashi Morikawa, Eiji Kohmura
BACKGROUND: Tentorial dural arteriovenous fistulas(dAVFs)are a rare clinical entity accounting for less than 10% of all intracranial dAVFs. Because these lesions are characterized by high hemorrhagic risk, aggressive treatment should be considered. Although the number of reported cases treated with endovascular transarterial embolization(TAE)using glue has been increasing, little is known about the transvenous approach. Here, we report the case of a patient with a tentorial dAVF who was successfully treated with transvenous embolization(TVE)through venous drainage using a double catheterization technique...
July 2017: No Shinkei Geka. Neurological Surgery
https://www.readbyqxmd.com/read/28676463/pial-dural-intracranial-arteriovenous-fistula-with-flow-associated-aneurysmal-rupture-case-report-with-review-of-literature-and-proposal-on-the-mechanism-of-hemorrhage-and-treatment-options
#2
Christopher Elia, Tanya Minasian, Mazen Noufal, Vaninder Chhabra
No abstract text is available yet for this article.
July 1, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28645600/newly-detected-cervical-spinal-dural-arteriovenous-fistula-on-magnetic-resonance-angiography-causing-intracranial-subarachnoid-hemorrhage
#3
Hiroaki Matsumoto, Hiroaki Minami, Ikuya Yamaura, Yasuhisa Yoshida, Yutaka Hirata
BACKGROUND: Although an asymptomatic spinal dural arteriovenous fistula (SDAVF) can sometimes be incidentally detected on magnetic resonance imaging (MRI), there are no previous reports showing the development of an SDAVF on MRI or magnetic resonance angiography (MRA). CASE DESCRIPTION: A 64-year old man with unruptured vertebral artery dissection (VAD) developed a subarachnoid hemorrhage (SAH) during regular follow-up. Emergent endovascular coil internal trapping for the VAD was performed; however, angiography after the endovascular treatment showed a lower cervical SDAVF...
June 20, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28621628/gamma-knife-surgery-for-clival-epidural-osseous-dural-arteriovenous-fistulas
#4
Cheng-Chia Lee, Ching-Jen Chen, Shao-Ching Chen, Huai-Che Yang, Chung Jung Lin, Chih-Chun Wu, Wen-Yuh Chung, Wan-Yuo Guo, David Hung-Chi Pan, Cheng-Ying Shiau, Hsiu-Mei Wu
OBJECTIVE Clival epidural-osseous dural arteriovenous fistula (DAVF) is often associated with a large nidus, multiple arterial feeders, and complex venous drainage. In this study the authors report the outcomes of clival epidural-osseous DAVFs treated using Gamma Knife surgery (GKS). METHODS Thirteen patients with 13 clival epidural-osseous DAVFs were treated with GKS at the authors' institution between 1993 and 2015. Patient age at the time of GKS ranged from 38 to 76 years (median 55 years). Eight DAVFs were classified as Cognard Type I, 4 as Type IIa, and 1 as Type IIa+b...
June 16, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28567488/early-rebleeding-of-intracranial-dural-arteriovenous-fistulas-after-an-intracranial-hemorrhage
#5
Jai Ho Choi, Kyung Il Jo, Keon Ha Kim, Pyoung Jeon, Je Young Yeon, Jong Soo Kim, Seung Chyul Hong
BACKGROUND: The aim of this study was to evaluate the clinical and angiographic characteristics of dural arteriovenous fistulas (DAVF) presenting with intracranial hemorrhage (ICH), with a focus on early rebleeding according to the initial hemorrhage type. METHOD: The clinical and radiologic features of 21 dAVFs that presented with intracranial hemorrhage were retrospectively reviewed. The hemorrhage type was classified as pure intraparenchymal hemorrhage (pIPH) and subarachnoid or subdural hemorrhage with IPH (non-pIPH)...
May 31, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28559076/prenatal-diagnosis-and-multimodal-neonatal-treatment-of-a-rare-pial-arteriovenous-fistula-case-report-and-review-of-the-literature
#6
Alessandro Pedicelli, Marta Iacobucci, Paolo Frassanito, Emilio Lozupone, Gabriele Masselli, Concezio Di Rocco, Cesare Colosimo
BACKGROUND: Intracranial pial arteriovenous fistulas (PAVFs) are direct communications between the arterial and venous system of the brain, with the characteristic absence of a plexiform nidus, as seen in the classic cerebral arteriovenous malformations. These vascular malformations, usually occurring in the pediatric population, very rarely are diagnosed in utero, because of a lack of understanding of the condition and because they may be hard to visualize. CASE DESCRIPTION: We report a rare case of a mass-effect PAVF diagnosed with fetal magnetic resonance imaging, involving the right cerebral hemisphere, fed by a pericallosal artery and associated with a giant venous dilatation...
August 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28558378/pial-arteriovenous-fistula-and-capillary-malformation-arteriovenous-malformation-associated-with-rasa1-mutation-2-pediatric-cases-with-successful-surgical-management
#7
A Jessey Chugh, Asim Shahid, Sunil Manjila, Deepak Gulati, Nicholas C Bambakidis
We present case reports of 2 pediatric patients who were both found to have pial arteriovenous fistulas (AVFs) with subsequent genetic analysis revealing mutations in the RASA1 gene. Considering their family history of distinct cutaneous lesions, these mutations were likely inherited as opposed to de novo mutations. Patient 1 had large capillary malformations on the left side of the face and neck, associated with macrocephaly, and presented at the age of 32 months with speech delay, right-sided weakness, and focal seizures involving the right side of the body...
May 31, 2017: Pediatric Neurosurgery
https://www.readbyqxmd.com/read/28552162/epidemiology-clinical-presentation-diagnostic-evaluation-and-prognosis-of-cerebral-dural-arteriovenous-fistulas
#8
Mohamed Samy Elhammady, Sudheer Ambekar, Roberto C Heros
Dural arteriovenous fistulas are abnormal communications, within the dural leaflets, between meningeal arteries and dural venous sinuses and/or subarachnoid veins. Although many fistulas remain clinically silent and do not require treatment, presence of cortical venous reflux, intracranial bleed, and intolerable symptoms are the main indications for treatment. A thorough understanding of the natural history is of prime importance in the decision making and management of these lesions. In this chapter we discuss the epidemiology and natural history of intracranial dural arteriovenous fistulae...
2017: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/28552158/epidemiology-genetics-pathophysiology-and-prognostic-classifications-of-cerebral-arteriovenous-malformations
#9
Alp Ozpinar, Gustavo Mendez, Adib A Abla
Arteriovenous malformations (AVMs) are vascular deformities involving fistula formation of arterial to venous structures without an intervening capillary bed. Such anomalies can prove fatal as the high arterial flow can disrupt the integrity of venous walls, thus leading to dangerous sequelae such as hemorrhage. Diagnosis of these lesions in the central nervous system can often prove challenging as intracranial AVMs represent a heterogeneous vascular pathology with various presentations and symptomatology. The literature suggests that most brain AVMs (bAVMs) are identified following evaluation of the etiology of acute cerebral hemorrhage, or incidentally on imaging associated with seizure or headache workup...
2017: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/28552133/endovascular-management-of-intracranial-dural-arteriovenous-fistulas
#10
Celene B Mulholland, M Yashar S Kalani, Felipe C Albuquerque
Dural arteriovenous fistulas are a heterogeneous group of lesions that comprise 10-15% of intracranial vascular malformations. The treatment strategy is devised after careful consideration of the arterial supply, venous drainage, clinical presentation, and risk of progression, hemorrhage, or neurologic decline. With recent advancements in endovascular technology, the majority of dural arteriovenous fistulas can be treated with either transarterial or transvenous embolization. Those that cannot be fully treated by endovascular means are approached with either adjuvant surgery or radiotherapy...
2017: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/28552132/surgical-management-of-cerebral-dural-arteriovenous-fistulae
#11
Martin J Rutkowski, Brian Jian, Michael T Lawton
Dural arteriovenous fistulae are high flow, low resistance intracranial vascular malformations defined by an aberrant connection between an artery and dural vein or sinus. Symptomatology and presentation are highly dependent on location, generally categorized as supratentorial, tentorial, or infratentorial, and consist primarily of sequelae secondary to local venous hypertension, insufficiency, and cortical venous reflux. Surgery is generally reserved for high risk or persistently symptomatic lesions that are unamenable or unresponsive to endovascular therapy...
2017: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/28524790/cognard-type-v-intracranial-dural-arteriovenous-fistula-presenting-in-a-pediatric-patient-with-rapid-progressive-myelopathy
#12
Walter J Jermakowicz, Alexander G Weil, Artyom Vlasenko, Sanjiv Bhatia, Toba N Niazi
Cognard Type V dural arteriovenous fistulas (dAVFs) are a unique type of cranial vascular malformation characterized by congestion of the perimedullary venous system that may lead to devastating spinal cord pathology if left untreated. The authors present the first known case of a pediatric patient diagnosed with a Type V dAVF. A 14-year-old girl presented with a 3-week history of slowly progressive unilateral leg weakness that quickly progressed to bilateral leg paralysis, sphincter dysfunction, and complete sensory loss the day of her presentation...
May 19, 2017: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/28521353/intraoperative-angiography-for-arteriovenous-malformation-resection-in-the-prone-and-lateral-positions-using-upper-extremity-arterial-access
#13
Erez Nossek, David J Chalif, Razvan Buciuc, Eric J Gandras, Erich G Anderer, Sal Insigna, Amir R Dehdashti, Avi Setton
BACKGROUND: Intraoperative angiography is routinely utilized for aneurysms and arteriovenous malformations (AVMs) to verify complete occlusion and resection. Surgery for spinal and posterior fossa neurovascular lesions is usually performed in prone position. Intraoperative angiography in the prone position is challenging and there is no standardized protocol for this procedure. OBJECTIVE: To describe our experience with intraoperative angiography in the prone and lateral positions, using upper extremity arterial access...
June 1, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28512209/venous-hypertensive-encephalopathy-secondary-to-venous-sinus-thrombosis-and-dural-arteriovenous-fistula
#14
Pria Anand, Emanuele Orru, Izlem Izbudak, Jiaying Zhang, Amir Kheradmand
A 52-year-old man with a history of factor V Leiden thrombophilia, persistent headaches and papilloedema presented with worsening vision and confusion. MRI and MR angiography of the brain at the time of this presentation showed findings concerning for transverse sinus thrombosis and an associated dural arteriovenous fistula. Dural venous sinus thrombosis can lead to the formation of a dural arteriovenous fistula, which must be considered in the differential diagnosis for intracranial hypertension in patients with thrombophilia...
August 2017: Practical Neurology
https://www.readbyqxmd.com/read/28480537/accelerated-noncontrast-enhanced-4-dimensional-intracranial-mr-angiography-using-golden-angle-stack-of-stars-trajectory-and-compressed-sensing-with-magnitude-subtraction
#15
Ziwu Zhou, Fei Han, Songlin Yu, Dandan Yu, Stanislas Rapacchi, Hee Kwon Song, Danny J J Wang, Peng Hu, Lirong Yan
PURPOSE: To evaluate the feasibility and performance of compressed sensing (CS) with magnitude subtraction regularization in accelerating non-contrast-enhanced dynamic intracranial MR angiography (NCE-dMRA). METHODS: A CS algorithm was introduced in NCE-dMRA by exploiting the sparsity of the magnitude difference of the control and label images. The NCE-dMRA data were acquired using golden-angle stack-of-stars trajectory on six healthy volunteers and one patient with arteriovenous fistula...
May 7, 2017: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
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
#16
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...
June 2017: Interventional Neuroradiology
https://www.readbyqxmd.com/read/28432263/intracranial-dural-arteriovenous-fistulae
#17
REVIEW
Matthew R Reynolds, Giuseppe Lanzino, Gregory J Zipfel
No abstract text is available yet for this article.
May 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28408264/single-session-hematoma-removal-and-transcranial-coil-embolization-for-a-cavernous-sinus-dural-arteriovenous-fistula-a-technical-case-report
#18
Yosuke Akamatsu, Kenichi Sato, Hidenori Endo, Yasushi Matsumoto, Teiji Tominaga
BACKGROUND: Patients with cavernous sinus dural arteriovenous fistulas (CS dAVFs) with cortical venous varix are indicated for aggressive treatment because of the associated risk for intracranial hemorrhage. CASE DESCRIPTION: We present a case of surgical transvenous embolization in an 84-year-old woman with CS dAVF who presented with massive intracerebral hematoma. Cerebral angiograms revealed the dural AVF drained only into the superficial middle cerebral vein...
August 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28401318/stereotactic-radiosurgery-for-intracranial-dural-arteriovenous-fistulas-its-clinical-and-angiographic-perspectives
#19
Seong-Hyun Park, Ki-Su Park, Dong-Hun Kang, Jeong-Hyun Hwang, Sung-Kyoo Hwang
BACKGROUND: To assess the efficacy of stereotactic radiosurgery (SRS) for intracranial dural arteriovenous fistulas (DAVFs), the authors retrospectively reviewed our 7-year experience. We evaluated the obliteration rate, improvement in clinical symptoms, and complications. METHODS: Thirty patients with DAVF underwent SRS using a Gamma Knife between 2009 and 2015. Twenty-three patients were treated with SRS alone, and seven patients underwent SRS for residual or recurrent DAVFs after embolization or surgery...
June 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28355736/-hybrid-surgery-for-complex-symptomatic-intracranial-fistulas-a-technical-note
#20
Y Q Zhang, H C Qiu, Y F Tao, M L Liu, X Ye, X L Chen, W J Jiang
Objective: To explore the efficacy of hybrid management of complex symptomatic intracranial fistulas in neurovascular hybrid operating room. Methods: From March 2014 to January 2015, 2 complex dural arteriovenous fistulas and 1 carotid cavernous fistulas were managed by hybrid surgeries in the PLA Rocket Force General Hospital.With first attempts with endovascular treatment failed, all cases were finally managed by hybrid surgery.Dural arteriovenous fistulas were approached via meningeal artery followed craniotomy...
March 21, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
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