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https://www.readbyqxmd.com/read/28524790/cognard-type-v-intracranial-dural-arteriovenous-fistula-presenting-in-a-pediatric-patient-with-rapid-progressive-myelopathy
#1
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
#2
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/28515372/spinal-arteriovenous-shunts-angioarchitecture-and-historical-changes-in-classification
#3
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...
May 18, 2017: Neurologia Medico-chirurgica
https://www.readbyqxmd.com/read/28512209/venous-hypertensive-encephalopathy-secondary-to-venous-sinus-thrombosis-and-dural-arteriovenous-fistula
#4
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...
May 16, 2017: Practical Neurology
https://www.readbyqxmd.com/read/28508158/how-i-do-it-surgical-ligation-of-craniocervical-junction-dural-av-fistulas
#5
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...
May 15, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28491192/a-case-report-of-spinal-dural-arteriovenous-fistula-origins-determinants-and-consequences-of-abnormal-vascular-malformations
#6
Sherry M Zakhary, Christopher L Hoehmann, Joshua A Cuoco, Kyle Hitscherich, Hamid Alam, German Torres
A spinal dural arteriovenous fistula is an abnormally layered connection between radicular arteries and venous plexus of the spinal cord. This vascular condition is relatively rare with an incidence of 5-10 cases per million in the general population. Diagnosis of spinal dural arteriovenous fistula is differentiated by contrast-enhanced magnetic resonance angiography or structural magnetic resonance imaging, but a definitive diagnosis requires spinal angiography methods. Here, we report a case of a 67-year-old female with a spinal dural arteriovenous fistula, provide a pertinent clinical history to the case nosology, and discuss the biology of adhesive proteins, chemotactic molecules, and transcription factors that modify the behavior of the vasculature to possibly cause sensorimotor deficits...
June 2017: Radiology case reports
https://www.readbyqxmd.com/read/28484554/a-rare-case-of-dural-arteriovenous-fistula-presenting-as-primary-intraventricular-hemorrhage
#7
Trilochan Srivastava, Raghavendra Bakki Sannegowda, V D Sinha, R S Jain, Rahul Jain, Tarun Mathur
Primary intraventricular haemorrhage (PIVH) is rare. Dural arteriovenous fistula causing PIVH is extremely rare. We report a case of a 17 year old boy who presented with left hemiparesis, left lower motor neuron facial palsy and ataxia. His computed tomography head revealed primary intraventricular hemorrhage. Catheter super selective angiography revealed a dural arterio venous fistula with arterial feeder arising from the middle meningeal artery as well as from the inferior marginal tentorial artery. Glue injection led to successful disappearance of the fistula and eventual clinical recovery...
April 2017: Asian Journal of Neurosurgery
https://www.readbyqxmd.com/read/28465265/stereotactic-radiosurgery-for-dural-carotid-cavernous-sinus-fistulas
#8
Seong-Hyun Park, Ki-Su Park, Dong-Hun Kang, Jeong-Hyun Hwang, Sung-Kyoo Hwang
OBJECTIVE: We reviewed our 7-year experience to assess the efficacy of stereotactic radiosurgery (SRS) for dural carotid cavernous fistulas (DCCFs). We analyzed the clinical outcome, complications and angiographic results. METHODS: We performed a retrospective analysis of 18 consecutive patients with DCCF treated by SRS alone using Gamma Knife between 2009 and 2015. Median target volume was 2.6 cm(3) (range, 0.6-11.6 cm(3)) and median radiation dose to the target was 17 Gy (range, 14-19 Gy)...
April 29, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28462550/dural-arteriovenous-fistula-following-cerebral-venous-sinus-thrombosis
#9
K Mugundhan, M C Vasif Mayan, P D Nidhin, G Prakash, N Balamurugan
No abstract text is available yet for this article.
March 2017: Journal of the Association of Physicians of India
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
#10
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/28434955/arterial-hypertension-is-associated-with-symptomatic-spinal-dural-arteriovenous-fistulas
#11
Fidaa Jablawi, Omid Nikoubashman, Michael Mull
BACKGROUND: Spinal dural arteriovenous fistulas (SDAVF) are the most common type of arteriovenous disorders of the spinal cord and its meninges. The purpose of our study is to determine possible systemic factors that may induce or be associated with the pathogenesis and the pathological course of SDAVF. MATERIAL AND METHODS: We assessed the role of possible systemic (vascular) risk factors (arterial hypertension, diabetes mellitus, fat metabolism disorders, and nicotine dependence) by comparing the prevalence of these risk factors in a SDAVF cohort of 59 patients with the prevalence in the general population...
April 18, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28432263/intracranial-dural-arteriovenous-fistulae
#12
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/28427974/factors-predicting-spontaneous-thrombosis-of-aggressive-cranial-dural-arteriovenous-fistulas
#13
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/28408632/4d-dsa-for-dynamic-visualization-of-cerebral-vasculature-a-single-center-experience-in-26-cases
#14
S Lang, P Gölitz, T Struffert, J Rösch, K Rössler, M Kowarschik, C Strother, A Doerfler
BACKGROUND AND PURPOSE: 4D DSA allows acquisition of time-resolved 3D reconstructions of cerebral vessels by using C-arm conebeam CT systems. The aim of our study was to evaluate this new method by qualitative and quantitative means. MATERIALS AND METHODS: 2D and 4D DSA datasets were acquired in patients presenting with AVMs, dural arteriovenous fistulas, and cerebral aneurysms. 4D DSA was compared with 2D DSA in a consensus reading of qualitative and quantitative parameters of AVMs (eg, location, feeder, associated aneurysms, nidus size, drainage, Martin-Spetzler Score), dural arteriovenous fistulas (eg, fistulous point, main feeder, diameter of the main feeder, drainage), and cerebral aneurysms (location, neck configuration, aneurysmal size)...
April 13, 2017: AJNR. American Journal of Neuroradiology
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
#15
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...
April 10, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28405771/sacral-epidural-arteriovenous-fistulas-imitators-of-spinal-dural-arteriovenous-fistulas-with-different-pathologic-anatomy-report-of-three-cases-and-review-of-the-literature
#16
Jan-Karl Burkhardt, Michael M Safaee, Aaron J Clark, Michael T Lawton
BACKGROUND: Sacral epidural arteriovenous fistulas (eAVFs) are rare and often misdiagnosed because of the incongruence between the thoracic level of clinical deficits and the sacral location of the offending pathology. Failure to diagnose this lesion delays treatment, resulting in prolonged venous hypertension in the cord, progressive neurological deterioration, and decreased chances of recovery. METHODS: A single-institution case series and the published literature were reviewed...
June 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28405088/dural-arteriovenous-fistula-as-a-treatable-dementia
#17
Ikponmwosa Enofe, Ike Thacker, Sadat Shamim
Dementia is a chronic loss of neurocognitive function that is progressive and irreversible. Although rare, dural arteriovenous fistulas (DAVFs) could present with a rapid decline in neurocognitive function with or without Parkinson-like symptoms. DAVFs represent a potentially treatable and reversible cause of dementia. Here, we report the case of an elderly woman diagnosed with a DAVF after presenting with new-onset seizures, deteriorating neurocognitive function, and Parkinson-like symptoms.
April 2017: Proceedings of the Baylor University Medical Center
https://www.readbyqxmd.com/read/28401318/stereotactic-radiosurgery-for-intracranial-dural-arteriovenous-fistulas-its-clinical-and-angiographic-perspectives
#18
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/28366753/the-position-and-role-of-4d-cta-in-the-diagnosis-and-treatment-of-spinal-arteriovenous-fistulas
#19
Satoshi Yamaguchi, Kohei Takemoto, Masaaki Takeda, Yosuke Kajihara, Takafumi Mitsuhara, Manish Kolakshyapati, Kazutoshi Mukada, Kaoru Kurisu
BACKGROUND: Localization of the arteriovenous fistula (AVF) is a crucial step in the diagnosis and treatment of spinal vascular malformations (VMs). Non-invasive angiographic techniques such as dynamic magnetic resonance angiography (MRA) and 3-dimensional computed tomography angiography (3D-CTA) have been used as standard modalities to localize AVF. With the increasing prevalence of high-spec CT scanner, 4D-CTA is being increasingly utilized in the evaluation of cerebrovascular disorders...
March 30, 2017: World Neurosurgery
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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