Distal ophthalmic artery coil protection enables safe aggressive embolization of periorbital AVMs

In 10 patients with periorbital AVMs, protecting the retinal circulation with coils placed distal to the central retinal artery allowed aggressive n-BCA embolization with no vision loss; 7/10 had complete obliteration and no recurrence at median 8.5 years.

• Distal coil protection of the ophthalmic artery was successfully achieved in 11 of 12 arteries (8 of 9 patients with ophthalmic artery involvement).
• Immediate obliteration was complete in 7 patients, near-complete in 1, and partial in 2; no vision-threatening complications occurred.
• Over a median follow-up of 8.5 years, no patient showed clinical progression or recurrence.

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