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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
#1
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
#2
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
#3
Jason Wenderoth
No abstract text is available yet for this article.
November 24, 2016: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/27832616/-dural-arteriovenous-fistula-with-acute-visual-loss-manifestation-a-case-report
#4
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
#5
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
#6
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/27812001/dural-arteriovenous-fistula-masquerading-as-pulsatile-tinnitus-radiologic-assessment-and-clinical-implications
#7
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/27790406/transvenous-coil-embolization-for-dural-arteriovenous-fistulas-of-the-ophthalmic-sheath-report-of-two-cases-and-review-of-the-literature
#8
Juyoung Hwang, Kyung-Il Jo, Je Young Yeon, Seung-Chyul Hong, Jong-Soo Kim
We present two patients with a dural arteriovenous fistula (dAVF) of the ophthalmic sheath who developed progressive exophthalmos, conjunctival chemosis, and visual loss. These symptoms mimic those of cavernous sinus dAVFs. Dural AVFs of the ophthalmic sheath are extremely rare and their clinical management is controversial. We successfully treated these two patients by transvenous coil embolization. Transvenous embolization appears to be a safe and effective method to treat dAVFs of the ophthalmic sheath.
June 2016: Journal of Cerebrovascular and Endovascular Neurosurgery
https://www.readbyqxmd.com/read/27771477/unique-venous-drainage-of-a-sphenoid-wing-dural-arteriovenous-fistula-with-ocular-symptoms
#9
Kouichi Misaki, Naoyuki Uchiyama, Masanao Mohri, Yasuhiro Aida, Takehiro Uno, Mitsutoshi Nakada
Dural arteriovenous fistulas (DAVFs) presenting with ocular symptoms, such as exophthalmos and chemosis, are commonly situated in cavernous sinus (CS). DAVFs at the sphenoid wing with a drainage route into the superior orbital vein (SOV) should be considered as one of differential diagnosis of ocular symptoms. A 41-year-old woman presented with progressive left-sided chemosis and proptosis after left pulsating tinnitus that disappeared spontaneously. Cerebral angiography showed that the fistula was situated along the inferior edge of the superior orbital fissure on the greater sphenoid wing and drained solely into the SOV without flowing into the CS that caused ocular symptoms...
October 19, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27766029/clinical-importance-of-the-middle-meningeal-artery-a-review-of-the-literature
#10
Jinlu Yu, Yunbao Guo, Baofeng Xu, Kan Xu
The middle meningeal artery (MMA) is a very important artery in neurosurgery. Many diseases, including dural arteriovenous fistula (DAVF), pseudoaneurysm, true aneurysm, traumatic arteriovenous fistula (AVF), moyamoya disease (MMD), recurrent chronic subdural hematoma (CSDH), migraine and meningioma, can involve the MMA. In these diseases, the lesions occur in either the MMA itself and treatment is necessary, or the MMA is used as the pathway to treat the lesions; therefore, the MMA is very important to the development and treatment of a variety of neurosurgical diseases...
2016: International Journal of Medical Sciences
https://www.readbyqxmd.com/read/27679690/magnetic-resonance-angiography-in-the-diagnosis-of-cerebral-arteriovenous-malformation-and-dural-arteriovenous-fistulas-comparison-of-time-resolved-magnetic-resonance-angiography-and-three-dimensional-time-of-flight-magnetic-resonance-angiography
#11
Yu-Ching Cheng, Hung-Chieh Chen, Chen-Hao Wu, Yi-Ying Wu, Ming-His Sun, Wen-Hsien Chen, Jyh-Wen Chai, Clayton Chi-Chang Chen
BACKGROUND: Traditional digital subtraction angiography (DSA) is currently the gold standard diagnostic method for the diagnosis and evaluation of cerebral arteriovenous malformation (AVM) and dural arteriovenous fistulas (dAVF). OBJECTIVES: The aim of this study was to analyze different less invasive magnetic resonance angiography (MRA) images, time-resolved MRA (TR-MRA) and three-dimensional time-of-flight MRA (3D TOF MRA) to identify their diagnostic accuracy and to determine which approach is most similar to DSA...
April 2016: Iranian Journal of Radiology: a Quarterly Journal Published By the Iranian Radiological Society
https://www.readbyqxmd.com/read/27637647/epidemiologic-survey-of-dural-arteriovenous-fistulas-in-japan-clinical-frequency-and-present-status-of-treatment
#12
Naoya Kuwayama
BACKGROUND AND PURPOSE: There are few reports describing the prevalence of dural arteriovenous fistulas (dAVFs). We conducted a nation-wide retrograde survey on the clinical frequency and the status of treatment of dAVFs in Japan. METHODS: The first questionnaire was sent to 1,236 certified neurosurgery clinics in Japan to ask about the number of patients treated and the location of dAVF during the 5 years from 1998 to 2002. The second questionnaire was sent to 102 large-volume centers to ask the patients' ages, gender, location of the fistula, clinical presentation, treatment modalities, clinical and radiological results, and recurrence...
2016: Acta Neurochirurgica. Supplement
https://www.readbyqxmd.com/read/27637646/intracranial-and-spinal-dural-arterio-venous-fistula-davf-a-surgical-series-of-107-patients
#13
Alessandro Bertuccio, Chiara Robba, Giannantonio Spena, Pietro Primo Versari
INTRODUCTION: Dural arteriovenous fistulas (DAVFs) is a challenging condition in vascular neurosurgery. Development of new endovascular techniques has progressively modified treatment strategies; however, surgery is still considered a valid option of treatment of this pathology. MATERIALS AND METHODS: From a retrospective analysis of our database, we selected 107 patients who underwent surgical treatment for DAVFs. Patients were grouped into five categories according to the Borden and Cognard classifications...
2016: Acta Neurochirurgica. Supplement
https://www.readbyqxmd.com/read/27637645/embryological-consideration-of-dural-avf
#14
Michihiro Tanaka
BACKGROUND: The distribution of intracranial dural AVFs (DAVFs) may be affected by the embryological bony structures that consist of membranous bone and endochondral bone. METHODS: We retrospectively analyzed the distribution of the shunt points in 58 consecutive cases of DAVFs. Shunt points were identified with selective digital subtraction angiography, high-resolution cone beam computed tomography (CT), or three-dimensional rotation angiography. All the shunt points were plotted on the map of the skull base in relation to the topography of the endochondral bone and the membranous bone...
2016: Acta Neurochirurgica. Supplement
https://www.readbyqxmd.com/read/27605480/-intracranial-dural-arteriovenous-fistula-associated-with-multiple-arterio-arterial-fistulas-between-the-systemic-arteries-and-the-pulmonary-artery-a-case-report
#15
Junichi Miyamoto, Kyo Niijima
An intracranial dural arteriovenous fistula(dAVF)was incidentally detected in a 39-year-old man during a medical checkup. Except for a mild episode of pneumonia at the age of 22 years, his medical history was unremarkable. He had no family history of hereditary hemorrhagic telangiectasia(HHT). The dAVF was treated radically via ligation of the fistula, without any complications. Postoperative angiography demonstrated that the dAVF had completely healed, but showed an aberrant, dilatated, and tortuous internal mammary artery...
September 2016: No Shinkei Geka. Neurological Surgery
https://www.readbyqxmd.com/read/27594958/tentorial-dural-arteriovenous-fistula-of-the-medial-tentorial-artery
#16
Syrone Liu, Dane C Lee, Tad Tanoura
The medial tentorial artery arises from the meningohypophyseal trunk, a branch of the cavernous internal carotid artery, and it is poorly visualized on angiography in the absence of pathologically increased blood flow. We present the case of a 38-year-old man with intraventricular hemorrhage from a tentorial dural arteriovenous fistula (DAVF) singularly supplied by a robust medial tentorial artery. Tentorial DAVFs comprise a rare but high-risk subset of DAVFs. The diagnosis was suggested by computed tomography and magnetic resonance imaging findings and confirmed with digital subtraction angiography...
September 2016: Radiology case reports
https://www.readbyqxmd.com/read/27588586/evolution-of-treatment-and-a-detailed-analysis-of-occlusion-recurrence-and-clinical-outcomes-in-an-endovascular-library-of-260-dural-arteriovenous-fistulas
#17
Bradley A Gross, Felipe C Albuquerque, Karam Moon, Cameron G McDougall
OBJECTIVE Many small series and technical reports chronicle the evolution of endovascular techniques for cranial dural arteriovenous fistulas (dAVFs) over the past 3 decades, but reports of large patient series are lacking. The authors provide a thorough analysis of clinical and angiographic outcomes across a large patient cohort. METHODS The authors reviewed their endovascular database from January 1996 to September 2015 to identify patients harboring cranial dAVFs who were treated initially with endovascular approaches...
September 2, 2016: Journal of Neurosurgery
https://www.readbyqxmd.com/read/27586124/point-by-point-parent-artery-sinus-obliteration-using-detachable-pushable-0-035-inch-coils
#18
Susumu Yamaguchi, Nobutaka Horie, Kentaro Hayashi, Shuji Fukuda, Yoichi Morofuji, Takeshi Hiu, Tsuyoshi Izumo, Minoru Morikawa, Takayuki Matsuo
BACKGROUND: Parent artery occlusion for intractable aneurysms or sinus packing for dural arteriovenous fistulas (DAVFs) is sometimes difficult and requires many expensive coils to accomplish complete occlusion. To help solve these problems, we reviewed our experience using 0.035-inch coil (0.035 coil; Boston Scientific, San Leandro, CA, USA), which has been used in cardiovascular and abdominal lesions. METHODS: These 0.035 coils were preferably used in addition to the detachable and fibered coils for patients with intractable aneurysms, traumatic vessel blowout, and DAVF...
November 2016: Acta Neurochirurgica
https://www.readbyqxmd.com/read/27581042/the-road-less-traveled-transarterial-embolization-of-dural-arteriovenous-fistulas-via-the-ascending-pharyngeal-artery
#19
Bradley A Gross, Felipe C Albuquerque, Karam Moon, Cameron G McDougall
BACKGROUND: With the introduction of Onyx, transarterial embolization has become the most common endovascular approach to treating dural arteriovenous fistulas (dAVFs), often via the middle meningeal or occipital arteries. The ascending pharyngeal artery (APA) is a less frequently explored transarterial route because of its small caliber, potential anastomoses to the internal carotid and vertebral arteries, and vital supply to lower cranial nerves. OBJECTIVE: To review our institutional experience and highlight the prevalence of APA supply to dAVFs and cases where it is a safe and effective pedicle for embolization...
August 31, 2016: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/27570403/-venous-congestion-as-a-cause-of-subcortical-white-matter-t2-hypointensity-on-magnetic-resonance-images
#20
Jayaprakash Harsha Kamble, Krishnan Parameswaran
Subcortical T2 hypointensity is an uncommon finding seen in very limited conditions such as multiple sclerosis, Sturge-Weber syndrome, and meningitis. Some of the conditions such as moyamoya disease, severe ischemic-anoxic insults, early cortical ischemia, and infarcts are of "arterial origin." We describe two conditions in which "venous congestion" plays a major role in T2 hypointensity - cerebral venous sinus thrombosis (CVST) and dural arteriovenous fistula (dAVF). The third case is a case of meningitis, showing T2 hypointensity as well, and can be explained by the "venous congestion" hypothesis...
July 2016: Annals of Indian Academy of Neurology
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