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https://www.readbyqxmd.com/read/28030895/imaging-of-intracranial-hemorrhage
#1
Jeremy J Heit, Michael Iv, Max Wintermark
Intracranial hemorrhage is common and is caused by diverse pathology, including trauma, hypertension, cerebral amyloid angiopathy, hemorrhagic conversion of ischemic infarction, cerebral aneurysms, cerebral arteriovenous malformations, dural arteriovenous fistula, vasculitis, and venous sinus thrombosis, among other causes. Neuroimaging is essential for the treating physician to identify the cause of hemorrhage and to understand the location and severity of hemorrhage, the risk of impending cerebral injury, and to guide often emergent patient treatment...
December 12, 2016: Journal of Stroke
https://www.readbyqxmd.com/read/28017743/embolization-of-dural-arteriovenous-fistula-of-the-cavernous-sinus-through-percutaneous-ultrasound-guided-puncture-of-the-facial-vein
#2
Andrea M Alexandre, Emiliano Visconti, Emilio Lozupone, Francesco D'Argento, Alessandro Pedicelli
No abstract text is available yet for this article.
December 22, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/28009241/letter-to-the-editor-dural-arteriovenous-fistula-a-clinical-model-of-thalamic-dementia
#3
Rodrigo Carrasco, José M Pascual
No abstract text is available yet for this article.
December 23, 2016: Journal of Neurosurgery
https://www.readbyqxmd.com/read/27989980/spinal-dural-arteriovenous-fistulas-with-segmental-arterial-supply-also-giving-rise-to-a-radiculomedullary-artery-a-case-report-and-review-of-the-literature
#4
Muhamed Hadzipasic, Ryan Grant, Michele Johnson, Joseph Cheng, Ketan R Bulsara
Over the past three decades, a handful of spinal dAVF cases have been reported in which the segmental artery giving rise to the fistulous connection also supplies a radiculomedullary artery that contributes to the anterior spinal artery (ASA). Here we describe the case of a 62-year-old female who developed spinal cord and conus medullaris dysfunction over the course of a year due to a spinal dAVF supplied by an L1 radicular artery that also contributed to the anterior spinal artery. Despite rapid deterioration in the weeks leading up to presentation, microsurgical disconnection led to a notable improvement in motor symptoms...
October 27, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27932510/embolization-of-intracranial-dural-arteriovenous-fistulas-using-phil-liquid-embolic-agent-in-26-patients-a-multicenter-study
#5
S Lamin, H S Chew, S Chavda, A Thomas, M Piano, L Quilici, G Pero, M Holtmannspolter, M E Cronqvist, A Casasco, L Guimaraens, L Paul, A Gil Garcia, A Aleu, R Chapot
BACKGROUND AND PURPOSE: The introduction of liquid embolic agents has revolutionized endovascular approach to cranial vascular malformations. The aim of the study was to retrospectively assess the efficacy and safety of Precipitating Hydrophobic Injectable Liquid (PHIL), a new nonadhesive liquid embolic agent, in the treatment of patients with cranial dural arteriovenous fistulas. The primary end point was the rate of complete occlusion of dural arteriovenous fistulas. Secondary end points included the incidence of adverse events and clinical status at 3-month follow-up...
December 8, 2016: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/27931945/dural-arteriovenous-fistula-of-the-sinus-of-the-lesser-sphenoid-wing-presenting-with%C3%A2-pontine-hemorrhage
#6
Hideki Nakajima, Tomoya Ishiguro, Aiko Terada, Masaki Komiyama
BACKGROUND: Dural arteriovenous fistulas (DAVFs) of the sinus of the lesser sphenoid wing (SLSW) with leptomeningeal drainage are rare. We report a patient with a DAVF of the SLSW draining into the basal vein of Rosenthal (BVR) presenting with pontine hemorrhage. CASE DESCRIPTION: A 71-year-old man presented with sudden right hemisensory disturbance of the arm and leg. Brain computed tomography scan showed left pontine hemorrhage, and cerebral angiography revealed a DAVF of the left SLSW...
December 6, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27908450/the-learning-curve-effect-on-embolization-of-cerebral-dural-arteriovenous-fistula-single-center-experience-in-48%C3%A2-consecutive-patients
#7
D Le Foll, H Raoult, J C Ferré, F Naudet, D Trystram, J Y Gauvrit
BACKGROUND: Cerebral dural arteriovenous fistulas (DAVFs) are rare intracranial vascular lesions but can cause significant morbidity and mortality. OBJECTIVES: To analyze the effect of the center's experience on DAVF embolization efficacy and safety. METHODS: From May 2008 to October 2014, 57 embolization procedures were attempted on 48 patients (37 men and 11 women; median age: 63.9 years) for DAVF in a single center. DAVF presented with cortical venous reflux in 44/48 cases (91...
November 28, 2016: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/27884927/novel-approaches-to-access-and-treatment-of-cavernous-sinus-dural-arteriovenous-fistula-cs-davf-case-series-and-review-of-the-literature
#8
Jason Wenderoth
Caroticocavernous fistula or cavernous sinus dural arteriovenous fistula (CS-DAVF) has presented various treatment challenges over many years. This paper outlines these challenges in a review of the literature, and attempts to address them by analyzing the anatomical and hemodynamic characteristics of 32 consecutive patients with CS-DAVF treated between 2007 and 2016, in doing so proposing novel strategies for safe access and treatment of CS-DAVF.
November 24, 2016: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/27884926/proposal-for-an-improved-classification-system-for-cavernous-sinus-dural-arteriovenous-fistula-cs-davf
#9
Jason Wenderoth
No abstract text is available yet for this article.
November 24, 2016: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/27884880/first-pass-contrast-enhanced-mra-for-pretherapeutic-diagnosis-of-spinal-epidural-arteriovenous-fistulas-with-intradural-venous-reflux
#10
S Mathur, S P Symons, T J Huynh, P Muthusami, W Montanera, A Bharatha
BACKGROUND AND PURPOSE: Spinal epidural AVFs are rare spinal vascular malformations. When there is associated intradural venous reflux, they may mimic the more common spinal dural AVFs. Correct diagnosis and localization before conventional angiography is beneficial to facilitate treatment. We hypothesize that first-pass contrast-enhanced MRA can diagnose and localize spinal epidural AVFs with intradural venous reflux and distinguish them from other spinal AVFs. MATERIALS AND METHODS: Forty-two consecutive patients with a clinical and/or radiologic suspicion of spinal AVF underwent MR imaging, first-pass contrast-enhanced MRA, and DSA at a single institute (2000-2015)...
November 24, 2016: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/27884878/comparison-of-3-different-types-of-spinal-arteriovenous-shunts-below-the-conus-in-clinical-presentation-radiologic-findings-and-outcomes
#11
T Hong, J E Park, F Ling, K G terBrugge, M Tymianski, H Q Zhang, T Krings
BACKGROUND AND PURPOSE: Spinal arteriovenous shunts below the conus constitute 3 types of lesions, which have previously been mainly described in case reports, given their rarity, and are sometimes misdiagnosed. The purpose of this study was to describe the features of each type and compare these types as to epidemiologic features, clinical and radiologic presentations, treatment, and outcomes in a consecutive series of 48 cases. MATERIALS AND METHODS: The prospectively collected data bases of 2 referral centers for spinal vascular lesions were retrospectively reviewed...
November 24, 2016: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/27867122/resolution-of-trigeminal-neuralgia-after-transvenous-embolization-of-a-cavernous-sinus-dural-arteriovenous-fistula
#12
Kenji Fukutome, Ichiro Nakagawa, Hun Soo Park, Takeshi Wada, Yasushi Motoyama, Kimihiko Kichikawa, Hiroyuki Nakase
BACKGROUND: Trigeminal neuralgia (TN) resulting from a dural arteriovenous fistula (DAVF) are rare. A case of cavernous sinus dural arteriovenous fistula (CSDAVF) in a patient with TN that resolved immediately after transvenous embolization (TVE) is described. CASE DESCRIPTION: A 75-year-old woman presented with continuous facial pain. On time-of-flight magnetic resonance angiography (MRA), a CSDAVF was suspected, and digital subtraction angiography (DSA) showed a CSDAVF...
November 17, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27847727/acute-paraplegia-after-lumbar-steroid-injection-in-patients-with-spinal-dural-arteriovenous-fistulas-case-reports
#13
Sunwoong Kim, Yuseong Choi, Jinyoung Park, Duk Hyun Sung
Spinal dural arteriovenous fistulas (SDAVFs) are the most common type of spinal vascular malformations. However, SDAVFs are still underdiagnosed entities because their clinical symptoms are usually non-specific, as they include low back pain or radiating pain to the limb. There have been several reports of acute paraplegia after lumbar epidural steroid injections in patients with SDAVFs. We present 4 patients with SDAVFs who received lumbar steroid injection. Among the 4 cases, acute paraplegia developed in 2 cases that received a larger volume of injectate than the other cases...
October 2016: Annals of Rehabilitation Medicine
https://www.readbyqxmd.com/read/27842984/usefulness-of-3-tesla-magnetic-resonance-arterial-spin-labeled-imaging-for-diagnosis-of-cranial-dural-arteriovenous-fistula
#14
Nobuaki Yamamoto, Junichiro Satomi, Yuki Yamamoto, Yuishin Izumi, Shinji Nagahiro, Ryuji Kaji
BACKGROUND AND PURPOSE: Conventional digital subtraction angiography (DSA) has been a useful tool for the diagnosis of cranial dural arteriovenous fistula (cDAVF). In most patients with cDAVF, blood flow through the arteriovenous shunt was pooled at diseased veins and/or sinuses. Therefore, we speculated that pooled blood at diseased veins in patients with cDAVF could be detected on arterial spin-labeled imaging (ASL). The purpose of the present study was to investigate the usefulness of ASL to detect cDAVF...
January 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/27832616/-dural-arteriovenous-fistula-with-acute-visual-loss-manifestation-a-case-report
#15
Masayuki Goto, Wataro Tsuruta, Yusuke Fujiwara, Go Ikeda, Yoshiro Ito, Yoshimi Sugiura, Masanari Shiigai, Yasunobu Nakai, Tetsuya Yamamoto, Akira Matsumura
In this report, we are describing a rare case of dural arteriovenous fistula(DAVF)followed by an isolated symptom of bilateral visual acuity disturbance. The patient was a 67-year-old man suffering from progressive bilateral visual acuity disturbance. Angiography revealed a diffuse arteriovenous fistula in the left transverse-sigmoid sinus affected by severe venous congestion. Visual acuity disturbance is likely to have been caused by increased intracranial pressure(IICP). Venous congestion as well as visual acuity were gradually improved following three transarterial embolizations...
November 2016: No Shinkei Geka. Neurological Surgery
https://www.readbyqxmd.com/read/27829838/a-case-of-de-novo-anterior-condylar-dural-arteriovenous-fistula-long-after-curative-transvenous-embolization-of-contralateral-anterior-condylar-arteriovenous-fistula
#16
Shinya Hagiwara, Takeshi Miyazaki, Masahiro Tsuji, Mizuki Kambara, Tsutomu Yoshikane, Hidemasa Nagai, Yasuhiko Akiyama
We report on a 55-year-old man who developed a de novo DAVF in left ACC 5 years after curative transvenous embolization for DAVF in right ACC. Angiography revealed that the de novo lesion demonstrated more aggressive arteriovenous shunt flow than the initial lesion. Successful transvenous embolization was performed for also the second lesion. The authors describe the possible pathophysiological mechanisms and management strategies for this rare occurrence.
2016: Case Reports in Medicine
https://www.readbyqxmd.com/read/27821474/the-dual-microcatheter-technique-for-transvenous-embolization-of-dural-arteriovenous-fistulae
#17
Isaac Josh Abecassis, John D Nerva, Basavaraj V Ghodke, Laligam N Sekhar, Michael R Levitt, Louis J Kim
BACKGROUND: Dural arteriovenous fistulae (dAVFs) comprise 10-15% of all intracranial arteriovenous malformations. The goal of surgical or endovascular intervention is complete obliteration of the fistulous connection(s). In cases where dAVF venous drainage is separate from normal cortical drainage, transvenous embolization can provide fast and effective fistula obliteration. OBJECTIVE: To describe a new method of efficient transvenous embolization (the 'dual microcatheter technique') for the treatment of dAVFs...
November 7, 2016: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/27814888/dynamic-contrast-enhanced-magnetic-resonance-angiography-for-the-localization-of-spinal-dural-arteriovenous-fistulas-at-3t
#18
G Zhou, M H Li, C Lu, Y L Yin, Y Q Zhu, X E Wei, H T Lu, Q Q Zheng, W W Gao
OBJECTIVE: This study was undertaken to evaluate the accuracy of dynamic contrast-enhanced magnetic resonance angiography (DCE-MRA) in the precise location and demonstration of fistulous points in spinal dural arteriovenous fistulas (SDAVFs). METHODS: Fifteen patients (14 men, 1 woman; age range: 40-78 years; mean: 55.5 years) harboring SDAVF who underwent preoperative DCE-MRA and spinal digital subtraction angiography (DSA) between January 2012 and January 2015 were evaluated retrospectively...
November 1, 2016: Journal of Neuroradiology. Journal de Neuroradiologie
https://www.readbyqxmd.com/read/27812001/dural-arteriovenous-fistula-masquerading-as-pulsatile-tinnitus-radiologic-assessment-and-clinical-implications
#19
Yong-Hwi An, Sungjun Han, Minhyung Lee, Jihye Rhee, O-Ki Kwon, Gyojun Hwang, Cheolkyu Jung, Yun Jung Bae, Gwang Seok An, Kyogu Lee, Ja-Won Koo, Jae-Jin Song
Pulsatile tinnitus (PT) is often an initial presenting symptom of dural arteriovenous fistula (dAVF), but it may be overlooked or diagnosed late if not suspected on initial diagnostic work-up. Here, we assess anatomical features, treatment outcomes, and clinical implications of patients with PT due to dAVF. Of 220 patients who were diagnosed with dAVF between 2003 and 2014, 30 (13.6%) presented with only PT as their initial symptom. The transverse-sigmoid sinus (70.0%) was the most common site, followed by the hypoglossal canal (10...
November 4, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27811132/comparison-of-time-resolved-and-first-pass-contrast-enhanced-mr-angiography-in-pretherapeutic-evaluation-of-spinal-dural-arteriovenous-fistulas
#20
S Mathur, A Bharatha, T J Huynh, R I Aviv, S P Symons
BACKGROUND AND PURPOSE: Different MRA techniques used to evaluate spinal dural arteriovenous fistulas offer unique advantages and limitations with regards to temporal and spatial resolution. The purpose of this study was to compare the efficacy and interobserver agreement of 2 commonly used contrast-enhanced spinal MRA techniques, multiphase time-resolved MRA and single-phase first-pass MRA, in assessment of spinal dural arteriovenous fistulas. MATERIALS AND METHODS: Retrospective review of 15 time-resolved and 31 first-pass MRA studies in patients with clinical suspicion of spinal dural arteriovenous fistula was performed by 2 independent, blinded observers...
November 3, 2016: AJNR. American Journal of Neuroradiology
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