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https://www.readbyqxmd.com/read/29199428/cluster-headache-and-middle-meningeal-artery-dural-arteriovenous-fistulas-a-case-report
#1
Yu-Han Chang, Chao-Bao Luo, Shuu-Jiun Wang, Shih-Pin Chen
Background Of the multiple etiologies identified for symptomatic cluster headache, vascular origin is common; however, there are no known reports of arteriovenous (AV) fistulas. Here we report a case with typical presentation of cluster headache, which might be associated with middle meningeal AV fistulas. Case report The subject is a 49-year-old man with a 7-year history of episodic left-side cluster headache, consistent with the criteria in the International Classification of Headache Disorders, 3rd edition, beta version (ICHD-3β)...
January 1, 2017: Cephalalgia: An International Journal of Headache
https://www.readbyqxmd.com/read/28904465/spectrum-of-visual-impairment-in-cerebral-venous-thrombosis-importance-of-tailoring-therapies-based-on-pathophysiology
#2
Sanjith Aaron, Anupriya Arthur, A T Prabakhar, Pavitra Mannam, N K Shyamkumar, Sunithi Mani, Vivek Mathew, Jeyanthi Peter, Ajith Sivadasan, Anika Alexander, M Karthik, Rohith Ninan Benjamin, Mathew Alexander
Visual impairment can complicate cerebral venous thrombosis (CVT). Here, we describe the various pathophysiological mechanisms and treatments available. A retrospective chart review of all patients treated for CVT in a large quaternary teaching hospital was done, and cases with visual impairment due to CVT were identified. The various mechanisms causing visual impairment in CVT were (1) raised intracranial pressure (ICP) caused by venous thrombosis without venous infarcts resulting in a benign intracranial hypertension-like presentation of CVT, (2) venous infarcts involving the occipital cortex, (3) raised ICP following the development of a secondary dural arteriovenous (AV) fistula, and (4) arterial occipital infarcts due to posterior cerebral artery compression secondary to herniation in large venous infarcts...
July 2017: Annals of Indian Academy of Neurology
https://www.readbyqxmd.com/read/28862546/angioarchitecture-of-arteriovenous-fistulas-at-the-craniocervical-junction-a-multicenter-cohort-study-of-54-patients
#3
Masafumi Hiramatsu, Kenji Sugiu, Tomoya Ishiguro, Hiro Kiyosue, Kenichi Sato, Keisuke Takai, Yasunari Niimi, Yuji Matsumaru
OBJECTIVE The aim of this retrospective multicenter cohort study was to assess the details of the angioarchitecture of arteriovenous fistulas (AVFs) at the craniocervical junction (CCJ) and to determine the associations between the angiographic characteristics and the clinical presentations and outcomes. METHODS The authors analyzed angiographic and clinical data for patients with CCJ AVFs from 20 participating centers that are members of the Japanese Society for Neuroendovascular Therapy (JSNET). Angiographic findings (feeding artery, location of AV shunt, draining vein) and patient data (age, sex, presentation, treatment modality, outcome) were tabulated and stratified based on the angiographic types of the lesions, as diagnosed by a member of the CCJ AVF study group, which consisted of a panel of 6 neurointerventionalists and 1 spine neurosurgeon...
September 1, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28741709/prenatal-diagnosis-of-dural-sinus-malformation-in-a-fetus-presenting-with-general-oedema
#4
Michal Lipa, Przemyslaw Kosinski, Ritsuko K Pooh, Miroslaw Wielgos
Dural sinus malformation (DSM) is an extremely rare, congenital dilatation of the dural sinus pouch. DSM cases associated with arteriovenous shunt (AV shunt) usually have a poor pregnancy outcome due to an excessive hemodynamic load and progressive cardiac failure.
July 25, 2017: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28515372/spinal-arteriovenous-shunts-angioarchitecture-and-historical-changes-in-classification
#5
Keisuke Takai
The purposes of this study were to review historical changes in the classification of spinal arteriovenous (AV) shunts and to propose a practical classification system. The associated literature regarding the classification of spinal AV shunts was reviewed in the angiography era between 1967 and 2015. The classification systems of spinal AV shunts and a proposed classification system were presented with neuroradiological imaging and medical illustrations. There have been seven major classification systems based on the evolution of diagnostic methods as well as treatments for spinal AV shunts: the first description of spinal AV shunts diagnosed and classified using spinal angiography in 1971; the second classification based on a case report of intradural direct perimedullary arteriovenous fistulas (AVFs) treated by microsurgery in 1987; the third classification based on a case series of intradural perimedullary AVFs treated by endovascular interventions in 1993; the fourth and fifth classification systems based on a case series of spinal AVFs and arteriovenous malformations (AVMs) treated by microsurgery or endovascular interventions in 2002; the sixth classification based on a case series of cranio-spinal dural AV shunts in 2009; and the seventh classification based on a case series of extradural AVFs treated by microsurgery and endovascular interventions in 2011...
July 15, 2017: Neurologia Medico-chirurgica
https://www.readbyqxmd.com/read/28508158/how-i-do-it-surgical-ligation-of-craniocervical-junction-dural-av-fistulas
#6
Thomas J Sorenson, Biagia La Pira, Joshua Hughes, Giuseppe Lanzino
BACKGROUND: Dural arteriovenous fistulas (DAVFs) of the craniocervical junction are uncommon vascular lesions, which often require surgical treatment even in the endovascular era. METHODS: Most commonly, the fistula is placed laterally, and surgical ligation is performed through a lateral suboccipital craniotomy. After dural opening, the area is inspected, and the arterialized vein is identified emerging from the dura, often adjacent to the entry point of the vertebral artery, and ligated...
August 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/27601322/endovascular-treatment-of-pediatric-intracranial-arteriovenous-shunt
#7
REVIEW
Yasunari Niimi
Intracranial arteriovenous shunts (ICAVS) in young children are characterized by frequent high-flow fistulas. In association with high-flow fistulas and the physiological condition of the developing brain and heart, each ICAVS type tends to present at a certain age with unique symptoms. Vein of Galen aneurysmal malformation (VGAM) and dural sinus malformation with arteriovenous (AV) shunt tend to present in the neonate with high output cardiac failure. In infancy, VGAM, pial arteriovenous fistula (AVF) and infantile dural AVF (DAVF) tend to present with hydrodynamic disorder such as macrocephaly, ventriculomegaly, prominent facial veins, and developmental delay...
March 2017: Pediatrics International: Official Journal of the Japan Pediatric Society
https://www.readbyqxmd.com/read/27593970/acute-bithalamic-infarct-manifesting-as-sleep-like-coma-a-diagnostic-challenge
#8
Asaf Honig, Ruth Eliahou, Roni Eichel, Ari Aharon Shemesh, Tamir Ben-Hur, Eitan Auriel
Bilateral thalamic infarction (BTI) typically presents as a sleep-like coma (SLC) without localizing signs, posing a diagnostic challenge that may lead the treating physician to search for toxic or metabolic causes and delay treatment. We review our experience with BTI of different etiologies, and emphasize the critical role of timely imaging, diagnosis, and management in a series of 12 patients with a presentation of SLC and acute BTI who were managed in our Medical Centers from 2006-2015. In 11/12, urgent head CT scans showed normal brain tissue, while diffusion-weighted (DWI) MRI revealed symmetric bilateral thalamic hyperintense lesions with variable degrees of brainstem involvement...
December 2016: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/27122105/unusual-case-of-intracranial-dural-av-fistula-presenting-with-acute-myelopathy
#9
Mohamed Abdelsadg, Avinash Kumar Kanodia, Peter Keston, James Galea
We present a case of intracranial arteriovenous fistula with perimedullary venous drainage presenting with acute myelopathy, which is an unusual presentation of this uncommon condition. Subsequent catheter angiogram defined the arterial feeders from the meningohypophyseal trunk and petrosal branch of the middle meningeal artery. The patient was successfully embolised, resulting in complete obliteration of the fistula, and significant resolution of brainstem and cervical cord changes along with clinical improvement...
April 27, 2016: BMJ Case Reports
https://www.readbyqxmd.com/read/26853455/neuro-interventions-for-the-neonates-with-brain-arteriovenous-fistulas-with-special-reference-to-access-routes
#10
Masaki Komiyama, Aiko Terada, Tomoya Ishiguro
Neonatal neuro-intervention is challenging. The purpose of this article is to report the neuro-intervention for the neonates with brain arteriovenous fistulas (AVFs), with special reference to access routes. Fifteen neonates (12 boys and 3 girls) who underwent neuro-intervention within the first 14 days of life were -included. Their diagnoses included vein of Galen aneurysmal malformation (6), dural sinus malformations with arteriovenous (AV) shunts (6), pial AVF (2), and epidural AVF (1). Birth weight ranged from 1,538 g to 3,778 g (mean 2,525 g)...
2016: Neurologia Medico-chirurgica
https://www.readbyqxmd.com/read/26715545/single-session-transarterial-complete-embolization-of-galenic-dural-av-fistula
#11
Yosef Laviv, Ekkehard Kasper, Eliyahu Perlow
Galenic dural arteriovenous fistula (DAVF) represents a unique, hard to treat subgroup of tentorial DAVFs. We present an unusual case of hemorrhagic Galenic DAVF in a 54-year-old woman. The fistula drained directly to the vein of Galen through multiple feeders. Complete occlusion of the fistula was achieved through transarterial embolization. Deep venous drainage remained intact and the patient recovered well. To our knowledge, this is the first report on complete closure of hemorrhagic Galenic DAVF using transarterial embolization with complete obliteration of vein of Galen...
February 2016: Acta Neurochirurgica
https://www.readbyqxmd.com/read/26392914/successful-sinus-restoration-for-transverse-sigmoid-sinus-dural-arteriovenous-fistula-complicated-by-multiple-venous-sinus-occlusions-the-usefulness-of-preoperative-computed-tomography-venography
#12
Koichiro Takemoto, Toshio Higashi, Seisaburo Sakamoto, Tooru Inoue
BACKGROUND: Although sinus restoration for transverse-sigmoid sinus (TSS) dural arteriovenous fistula (DAVF) has rarely been reported over the past decade, its advantage and indication still remain unclear. Herein, we discuss the indications and technical aspects of this therapy with a review of the literature. CASE DESCRIPTION: A 79-year-old female was referred to our department with generalized convulsion. An angiogram revealed a DAVF at the junction of the right TSS...
2015: Surgical Neurology International
https://www.readbyqxmd.com/read/26357504/spinal-dural-arteriovenous-fistula-imaging-features-and-its-mimics
#13
Ying Jeng, David Yen-Ting Chen, Hui-Ling Hsu, Yen-Lin Huang, Chi-Jen Chen, Ying-Chi Tseng
Spinal dural arteriovenous fistula (SDAVF) is the most common spinal vascular malformation, however it is still rare and underdiagnosed. Magnetic resonance imaging findings such as spinal cord edema and dilated and tortuous perimedullary veins play a pivotal role in the confirmation of the diagnosis. However, spinal angiography remains the gold standard in the diagnosis of SDAVF. Classic angiographic findings of SDAVF are early filling of radicular veins, delayed venous return, and an extensive network of dilated perimedullary venous plexus...
September 2015: Korean Journal of Radiology: Official Journal of the Korean Radiological Society
https://www.readbyqxmd.com/read/26355909/multiple-spinal-arteriovenous-fistulas-a-case-based-review
#14
REVIEW
Josue M Avecillas-Chasín, Juan R Brin, Luis Lopez-Ibor, Gustavo Gomez, Gregorio Rodriguez-Boto
The occurrence of multiple spinal dural arteriovenous fistulas (AVFs) is rare. The majority of cases reported are synchronous and the lesions are mainly found at different spinal levels. Metachronous AVFs have been defined as lesions that manifest in a temporal sequence after treatment of a first AVF. In this report, we present two distinct cases of multiple spinal AVFs. Also, we review the main features of the cases previously reported, with emphasis on the proposed theories for the origin of multiple AVFs...
December 2015: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/26351075/transumbilical-arterial-embolization-of-a-large-dural-arteriovenous-fistula-in-a-low-birth-weight-neonate-with-congestive-heart-failure
#15
Tatsuo Oshiro, Okitaka Nakayama, Chiaki Ohba, Yoko Ohashi, Junichi Kawakubo, Tomoaki Nagamine, Masaki Komiyama
PURPOSE: The purpose of this study was to report transumbilical arterial embolization of a large dural arteriovenous fistula (AVF) in a low-birth-weight neonate with congestive heart failure (CHF). CASE PRESENTATION: A female neonate was delivered by cesarean section at 31 weeks of gestation. Her birth weight was 1538 g and Apgar scores were 6 at both 1 and 5 min. Because of dyspnea and retracted respiration immediately after birth, she required mechanical ventilation...
April 2016: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/26346152/pediatric-central-nervous-system-vascular-malformations
#16
REVIEW
Ezra A Burch, Darren B Orbach
Pediatric central nervous system (CNS) vascular anomalies include lesions found only in the pediatric population and also the full gamut of vascular lesions found in adults. Pediatric-specific lesions discussed here include infantile hemangioma, vein of Galen malformation and dural sinus malformation. Some CNS vascular lesions that occur in adults, such as arteriovenous malformation, have somewhat distinct manifestations in children, and those are also discussed. Additionally, children with CNS vascular malformations often have associated broader vascular conditions, e...
September 2015: Pediatric Radiology
https://www.readbyqxmd.com/read/26341441/the-lateral-mesencephalic-vein-surgical-anatomy-and-its-role-in-the-drainage-of-tentorial-dural-arteriovenous-fistulae
#17
Delia Cannizzaro, Stylianos K Rammos, Simone Peschillo, Adel M El-Nashar, Andrew W Grande, Giuseppe Lanzino
BACKGROUND: The lateral mesencephalic vein (LMV) represents an important connection between the infratentorial and supratentorial compartments. It joins the basal vein of Rosenthal and the petrosal system. In our experience with management of tentorial dural arteriovenous fistulas (DAVFs) we have often noted involvement of the lateral mesencephalic vein (LMV) in the venous drainage of these fistulas. METHODS: We reviewed the clinical and angiographic findings of 26 patients with tentorial DAVFs to study the incidence and pattern of drainage through the LMV...
January 2016: World Neurosurgery
https://www.readbyqxmd.com/read/26337189/parasagittal-dural-arteriovenous-fistula-treated-with-embozene-microspheres
#18
Martin Hlavica, Benjamin Victor Ineichen, Ali-Reza Fathi, Luca Remonda, Michael Diepers
PURPOSE: To describe the use of Embozene microspheres as an alternative treatment for intracranial dural arteriovenous fistulas (DAVF). CASE REPORT: The DAVF was located close to the vertex and mainly fed by the left medial meningeal artery (MMA). Embolization was performed using Embozene microspheres due to stenosis in the posterior branch of the left MMA and a conglomerate of tortuous courses in the anterior branch. Complete occlusion was achieved without complication...
December 2015: Journal of Endovascular Therapy
https://www.readbyqxmd.com/read/26329900/facial-palsy-following-embolization-of-a-dural-arteriovenous-fistula
#19
Levent N Ozluoglu, A Koycu, S Jafarov, E Hizal, F Boyvat
Intracranial arteriovenous malformations are infrequent. Advances in endovascular treatment techniques have promoted the use of endovascular embolization in management of intracranial arteriovenous malformations. Transvenous or transarterial embolization procedures are effective options in the treatment of the arteriovenous fistulas. However, complications such as cranial nerve palsies may occur. Here, we present a case of right-sided lower motor neuron facial paralysis due to embolization of an intracranial dural arteriovenous fistula that have presented with clinical findings on the left eye...
September 2016: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/26323794/endovascular-treatment-of-cribriform-plate-dural-arteriovenous-fistulas-technical-difficulties-and-complications-avoidance
#20
REVIEW
Thomas Robert, Raphaël Blanc, Stanislas Smajda, Gabriele Ciccio, Hocine Redjem, Bruno Bartolini, Robert Fahed, Michel Piotin
OBJECTIVE: Cribriform plate dural arteriovenous fistula (dAVF) is a rare pathology, for which the treatment of choice used to be neurosurgery. Technological advances in micro-catheters and embolic agents permitted new endovascular alternatives. METHODS: We included all patients treated endovascularly for a cribriform plate dAVF between 2008 and 2013. We retrospectively analysed data focusing on the type of treatment chosen. RESULTS: Ten patients were treated by endovascular approach, with a need for an additional surgical exclusion of the fistula in two cases...
September 2016: Journal of Neurointerventional Surgery
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