Spontaneous closure of a dural arteriovenous fistula

Al-Afif, Shadi; Nakamura, Makoto; Götz, Friedrich; Krauss, Joachim K.

doi:10.1136/neurintsurg-2014-011255.rep

Cited by 11 publications

(7 citation statements)

References 8 publications

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“…All Cognard type III DAVFs were diagnosed following intracranial hemorrhage. Regarding literature review from published data of spontaneous closure of intracranial DAVFs by Al-Afif et al ,[12] this situation can occur in the fistulas classified as Cognard type I, IIa, IIa + b, IIb, III, and IV. The most common spontaneously resolving lesions were type I. Warren et al [39] reported another rare precipitating factor, i.e., spontaneous resolution of Cognard type IIa DAVF following spontaneous recanalization of the occluded sinus.…”

Section: Discussionmentioning

confidence: 99%

“…The occurrence of spontaneous regression in cranial DAVFs with cortical venous reflux or higher type of Cognard classification is extremely rare. [1112]…”

Section: Introductionmentioning

confidence: 99%

“…The occurrence of spontaneous regression in cranial DAVFs with cortical venous reflux or higher type of Cognard classification is extremely rare. [11,12] The authors reported a patient with spontaneous disappearance of CSDAVF predominately draining into spinal perimedullary veins, i.e., Cognard V, during attempted transvenous embolization.…”

Section: Introductionmentioning

confidence: 99%

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Spontaneous closure of a cavernous sinus dural arteriovenous fistula with spinal perimedullary drainage (Cognard V) during attempted transvenous embolization

et al. 2019

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The authors describe a patient with spontaneous closure of a spontaneous cavernous sinus dural arteriovenous fistula (CSDAVF), Cognard type V, during transvenous attempt. A 39-year-old woman experienced mild proptosis, redness of the left eye, and diplopia. Four months later, she developed left retro-orbital pain and left-sided headache. Cerebral angiography revealed the left CSDAVF exclusively draining into the superior petrosal sinus with subsequent drainage into the veins surrounding the medulla oblongata, and finally into the perimedullary spinal veins, classified as Cognard type V. The feeders arise from the dural branches of both the left external and internal carotid arteries. Following 2 h period of attempted transvenous embolization, the fistula disappeared spontaneously. Follow-up angiography obtained 6 months later confirmed complete resolution of the CSDAVF. At 2-year follow-up, the patient has remained clinically asymptomatic. The mechanism of thrombosis in this fistula related to the endovascular procedure. We speculated that putting the wire tip in the draining vein may induce the spontaneous thrombosis in the venous side. In addition, precipitating factors may include small, low-flow fistula, and pre-existing thrombosis.

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Section: Discussionmentioning

confidence: 99%

“…The occurrence of spontaneous regression in cranial DAVFs with cortical venous reflux or higher type of Cognard classification is extremely rare. [1112]…”

Section: Introductionmentioning

confidence: 99%

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Spontaneous closure of a cavernous sinus dural arteriovenous fistula with spinal perimedullary drainage (Cognard V) during attempted transvenous embolization

et al. 2019

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“…Moreover, several reports have described spontaneous closure of DAVF without any aggressive treatment. 1) 5) 12) On the other hand, a few cases of conversion to aggressive lesions have been reported, and one study reported that benign AVFs have a 2% potential for angiographically verified conversion. 18) Several theories have been suggested to explain the conversion of venous drainage pattern, including sinus thrombosis, change of sinus wall structure, and flow dynamics.…”

Section: Discussionmentioning

confidence: 99%

Spontaneous Aggressive Conversion of Venous Drainage Pattern in Dural Arteriovenous Fistula Treated with Onyx Embolization

Chung

Choi

Lee

et al. 2016

J Cerebrovasc Endovasc Neurosurg

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We report a case of dural arteriovenous fistula (DAVF) that showed spontaneous conversion of venous drainage pattern from Borden type II to type III within a four month period of follow-up. Upon admission, the patient presented with aggravated neurologic status and newly developed seizure. After admission, endovascular embolization was performed through the middle meningeal artery with Onyx®. Complete obliteration of dural arteriovenous shunt was confirmed by angiography, and the patient's clinical symptoms improved. Although most cases of DAVF show benign clinical course and conversion pattern, close follow-up is required to detect potential aggravation.

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“…The DAVF closed completely 8 weeks after the hemorrhage. One year after the bleeding the patient was followed up, she was independent and had recovered but with mild aphasia and a slight hemiparesis on the right side [20].…”

Section: Casementioning

confidence: 99%

Arteriovenous Fistulas: The Pathological Bridge

AbuSini¹,

Tashtush²,

Aleshawi³

et al. 2020

Vascular Malformations of the Central Nervous System

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An intracranial dural arteriovenous fistula (DAVF) is a type of intracranial vascular malformation in which there is a connection between an intracranial artery and a dural venous sinus. It accounts for 10-15% of all intracranial arteriovenous malformations. This malformation derives its arterial supply primarily from meningeal vessels, and the venous drainage is either via dural venous sinuses or through the cortical veins. DAVFs have a reported association with dural sinus thrombosis, venous hypertension, previous craniotomy, and trauma, though many lesions are idiopathic. Digital subtraction angiography remains the gold standard for diagnosing these fistulas. Endovascular treatment is one of the first line options available for their management. In this chapter, we will discuss and review the etiopathogenesis, natural history, common classification systems, and various available diagnostic options.

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Spontaneous closure of a dural arteriovenous fistula

Cited by 11 publications

References 8 publications

Spontaneous closure of a cavernous sinus dural arteriovenous fistula with spinal perimedullary drainage (Cognard V) during attempted transvenous embolization

Spontaneous closure of a cavernous sinus dural arteriovenous fistula with spinal perimedullary drainage (Cognard V) during attempted transvenous embolization

Spontaneous Aggressive Conversion of Venous Drainage Pattern in Dural Arteriovenous Fistula Treated with Onyx Embolization

Arteriovenous Fistulas: The Pathological Bridge

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