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Intracranial Arteriovenous fistulas

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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/28512209/venous-hypertensive-encephalopathy-secondary-to-venous-sinus-thrombosis-and-dural-arteriovenous-fistula
#3
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/28480537/accelerated-noncontrast-enhanced-4-dimensional-intracranial-mr-angiography-using-golden-angle-stack-of-stars-trajectory-and-compressed-sensing-with-magnitude-subtraction
#4
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
#5
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/28432263/intracranial-dural-arteriovenous-fistulae
#6
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
#7
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/28401318/stereotactic-radiosurgery-for-intracranial-dural-arteriovenous-fistulas-its-clinical-and-angiographic-perspectives
#8
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
#9
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]
https://www.readbyqxmd.com/read/28345540/epidemiological-features-of-nontraumatic-spontaneous-subarachnoid-hemorrhage-in-china-a-nationwide-hospital-based-multicenter-study
#10
Jian-Ping Song, Wei Ni, Yu-Xiang Gu, Wei Zhu, Liang Chen, Bin Xu, Bin Leng, Yan-Long Tian, Ying Mao
BACKGROUND: Nontraumatic spontaneous subarachnoid hemorrhage (SAH) is associated with a high mortality. This study was conducted to investigate the epidemiological features of nontraumatic spontaneous SAH in China. METHODS: From January 2006 to December 2008, the clinical data of patients with nontraumatic SAH from 32 major neurosurgical centers of China were evaluated. Emergent digital subtraction angiography (DSA) was performed for the diagnosis of SAH sources in the acute stage of SAH (≤3 days)...
April 5, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28297690/-multiple-tentorial-dural-arteriovenous-fistulas-with-acquired-pial-arteriovenous-fistula-presented-with-unilateral-eye-symptoms-successfully-treated-by-transarterial-embolization-and-direct-surgery-a-case-report
#11
Hisato Minamide, Yutaka Hayashi, Naoyuki Uchiyama
A 58-year-old man presented with slowly progressive chemosis, exophthalmos, and blepharedema of the left eye. Digital subtraction angiography revealed multiple dural arteriovenous fistulas(dAVFs)involving the bilateral tentorium, superior sagittal sinus, and right frontal convexity. In addition, occlusion of the left cavernous sinus and left sigmoid sinus were observed, which could lead to venous hypertension and might be associated with the occurrence of multiple dAVFs. Along with the congestion of the left ophthalmic vein, increased intracranial pressure due to the left tentorial dAVF with cortical venous reflux could have caused the left eye symptoms; therefore, the tentorial lesion was treated first...
March 2017: No Shinkei Geka. Neurological Surgery
https://www.readbyqxmd.com/read/28236869/intraventricular-hemorrhage-after-dural-fistula-embolization
#12
Joana Chaves Gonçalves Rodrigues de Carvalho, Francisco Javier Tercero Machin, Luis San Roman Manzanera, Jordi Blasco Andaluz, Sílvia Herrero Nogués, Núria Peix Soriano, Victor Obach Baurier, Enrique Jesus Carrero Cardenal
BACKGROUND AND OBJECTIVES: Dural arteriovenous fistulas are anomalous shunts between dural arterial and venous channels whose nidus is located between the dural leaflets. For those circumstances when invasive treatment is mandatory, endovascular techniques have grown to become the mainstay of practice, choice attributable to their reported safety and effectiveness. We describe the unique and rare case of a dural arteriovenous fistula treated by transarterial embolization and complicated by an intraventricular hemorrhage...
March 2017: Brazilian Journal of Anesthesiology
https://www.readbyqxmd.com/read/28214636/a-case-of-evolving-bilateral-sphenoidal-meningoencephaloceles-case-report-and-review-of-the-literature
#13
Varun Aggarwal, Prakash Nair, Pankaj Shivhare, E R Jayadevan, Vinod Felix, Mathew Abraham, Suresh Nair
BACKGROUND: The evolution of sphenoid sinus meningoencephaloceles and cerebrospinal fluid (CSF) rhinorrhea is poorly understood. CASE DESCRIPTION: We present a case demonstrating the gradual evolution of encephaloceles from both the lateral walls of a previously normal sphenoid sinus in a patient with dural arteriovenous fistula; the CSF leak that developed after staged embolization of the dural arteriovenous fistula was managed by an endoscopic endonasal transpterygoid approach...
April 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28209459/progressive-subcortical-calcifications-secondary-to-venous-hypertension-in-an-intracranial-dural-arteriovenous-fistula
#14
Heather M Pascoe, Elaine H Lui, Peter Mitchell, Frank Gaillard
Intracranial dural arteriovenous fistulas (dAVF) are acquired lesions, with the most commonly reported findings on CT haemorrhage or focal oedema. We describe a case of progressive subcortical calcification on CT secondary to venous hypertension from a high grade dAVF.
February 13, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28204584/angio-architectural-features-of-high-grade-intracranial-dural-arteriovenous-fistulas-correlation-with-aggressive-clinical-presentation-and-hemorrhagic-risk
#15
Giuseppe Maria Della Pepa, Paolo Parente, Francesco D'Argento, Alessandro Pedicelli, Carmelo Lucio Sturiale, Giovanni Sabatino, Alessio Albanese, Alfredo Puca, Eduardo Fernandez, Alessando Olivi, Enrico Marchese
No abstract text is available yet for this article.
February 14, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28203571/evolutionary-history-of-multiple-dural-fistula
#16
Braulio Martinez-Burbano, Edgar Patricio Correa Diaz, Carolina Jácome Sánchez
Intracranial dural arteriovenous fistulas (DAVFs) are abnormal communications between arteries and veins or dural venous sinuses, which sit between the sheets of the dura. They represent 10% to 15% of intracranial vascular malformations. Clinical manifestations and prognosis depend on the pattern of venous drainage and location. The clinical presentation of DAVF may be mistaken for vascular or nonvascular brain pathologies. For that reason, within the differential diagnosis come a wide range of conditions, such as secondary headaches, encephalopathies, dementias including those with rapid progression, neurodegenerative diseases, inflammatory processes, or tumors typically at the orbital level or in the cavernous sinus...
October 2016: Journal of Investigative Medicine High Impact Case Reports
https://www.readbyqxmd.com/read/28190439/neurologic-complications-of-polytrauma
#17
R M Jha, L Shutter
Neurologic complications in polytrauma can be classified by etiology and clinical manifestations: neurovascular, delirium, and spinal or neuromuscular problems. Neurovascular complications include ischemic strokes, intracranial hemorrhage, or the development of traumatic arteriovenous fistulae. Delirium and encephalopathy have a reported incidence of 67-92% in mechanically ventilated polytrauma patients. Causes include sedation, analgesia/pain, medications, sleep deprivation, postoperative state, toxic ingestions, withdrawal syndromes, organ system dysfunction, electrolyte/metabolic abnormalities, and infections...
2017: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/28184348/refractory-spontaneous-chronic-subdural-hematoma-a-rare-presentation-of-an-intracranial-arteriovenous-fistula
#18
El Kim
The author has encountered a 67-year-old man with dural arteriovenous fistula (AVF) presenting as a non-traumatic chronic subdural hematoma (CSDH). This previously healthy patient was hospitalized due to progressive headache with subacute onset. He underwent burr-hole surgery twice for evacuating the left CSDH that was thickest at the posterior temporal area. The operative procedure and finding was not extraordinary, but subdural hematoma slowly progressed for days following the revision surgery. After investigation by super-selective external carotid angiography, a dural AVF found near the transverse-sigmoid sinus was diagnosed...
December 2016: Journal of Cerebrovascular and Endovascular Neurosurgery
https://www.readbyqxmd.com/read/28163497/successful-endovascular-neurosurgical-practice-in-resource-poor-exclusive-rural-neuro-hospital-setup
#19
Kamble Jayaprakash Harsha
AIM: The aim of this study to evaluate the feasibility of establishing endovascular neurosurgery in remote resource-poor neuro-hospital setup and evaluate its outcome. MATERIALS AND METHODS: Retrospective analysis of diagnostic and therapeutic endovascular neurosurgical procedures performed during September 2013-June 2016. RESULTS: A total of 174 diagnostic cerebral and spinal digital subtraction angiograms and 70 major endovascular neurosurgeries were performed during the period...
December 2016: Journal of Neurosciences in Rural Practice
https://www.readbyqxmd.com/read/28151094/spontaneous-resolution-of-ruptured-intracranial-pial-arteriovenous-fistula-following-spinal-surgery
#20
Mark K Lyons, Joseph M Hoxworth, Jamal McClendon, Chandan X Krishna, Naresh P Patel
Pial arteriovenous fistulae (AVFs) are rare vascular abnormalities that are distinct from arteriovenous malformations and dural AVFs. These vascular lesions have been linked with trauma, ischemic syndromes, venous thrombotic diseases, and intracranial surgical procedures. In this report we describe a case of an intracranial ruptured pial AVF immediately following uneventful spinal surgery in an elderly patient with subsequent spontaneous resolution. He was a previous heavy smoker with a 60-pack-year history and alcohol abuse...
April 2017: Neuroradiology Journal
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