Non-Sinus-Type Dural Arteriovenous Fistula at the Foramen Magnum: A Review of the Literature.

IF 0.5
JNET Pub Date : 2025-01-01 Epub Date: 2023-07-12 DOI:10.5797/jnet.ra.2023-0019
Masafumi Hiramatsu, Tomohiko Ozaki, Rie Aoki, Shinri Oda, Jun Haruma, Tomohito Hishikawa, Kenji Sugiu, Isao Date
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引用次数: 0

Abstract

Dural arteriovenous fistula (dAVF) of the foramen magnum (FM) region is rare. Moreover, the terminology of dAVF is very confusing in this region. In the narrow sense, the FM dAVF is the non-sinus-type dAVF with direct venous reflux to the medulla oblongata or spinal cord via the bridging veins (BVs) of the FM. Previous literature was systematically reviewed to investigate the clinical characteristics, angioarchitecture, and effective treatment of the FM dAVF. From the literature review, almost all the feeders of FM dAVF were dural branches. Spinal pial arteries were rarely involved as the feeder. All lesions had venous reflux to the medulla oblongata via medullary BVs. The FM dAVF is characterized by a significant male predominance and a high incidence of aggressive symptoms. The most common symptom is congestive myelopathy, followed by hemorrhage. The FM dAVF differs from the craniocervical junction (CCJ) arteriovenous fistula (AVF) and is similar to the thoracolumbar spinal dAVF. Direct surgery for the FM dAVF is effective and safe. Endovascular treatment for the FM dAVF may be more effective and has lower complication rates than that for the CCJ AVF.

Abstract Image

Abstract Image

枕骨大孔非窦型硬脑膜动静脉瘘:文献综述。
硬脑膜动静脉瘘(dAVF)的枕骨大孔(FM)区域是罕见的。此外,dAVF的术语在该地区非常混乱。从狭义上讲,FM的dAVF是非窦型dAVF,通过FM的桥静脉(BVs)直接静脉回流到延髓或脊髓。我们系统地回顾了以往的文献,探讨了FM dAVF的临床特征、血管结构和有效治疗。从文献回顾来看,fmdaf的供血区几乎都是硬脑膜分支。脊髓脊髓动脉很少受累。所有病变均有静脉回流经延髓BVs至延髓。fmdavf的特点是显著的男性优势和高发病率的侵袭性症状。最常见的症状是充血性脊髓病,其次是出血。FM dAVF不同于颅颈交界处(CCJ)动静脉瘘(AVF),与胸腰椎dAVF相似。直接手术治疗FM鼻窦炎是安全有效的。血管内治疗FM型AVF可能比CCJ型AVF更有效,并发症发生率更低。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
自引率
0.00%
发文量
38
审稿时长
17 weeks
期刊介绍: JNET Journal of Neuroendovascular Therapy is the official journal of the Japanese Society for Neuroendovascular Therapy (JSNET). The JNET publishes peer-reviewed original research related to neuroendovascular therapy, including clinical studies, state-of-the-art technology, education, and basic sciences.
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