Amaurosis fugax as the presenting manifestation of dural arteriovenous malformation.
Author:
Bogousslavsky J,Vinuela F,Barnett H J,Drake C G
Abstract
A 46-year-old woman under investigation for three episodes of amaurosis fugax in the left eye proved to have a left anterior-middle fossa dural arteriovenous malformation with pial venous drainage. The malformation received its main supply from the left middle meningeal artery, but its anterior part was fed by the recurrent meningeal branch of the left ophthalmic artery. Transient episodic lowering of retinal arterial pressure due to shunting of blood from the ophthalmic artery to the malformation is the most likely explanation for the occurrence of amaurosis fugax, indicating that this symptom occurs in some patients on a hemodynamic basis.
Publisher
Ovid Technologies (Wolters Kluwer Health)
Subject
Advanced and Specialised Nursing,Cardiology and Cardiovascular Medicine,Clinical Neurology
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