Encephaloduroarteriosynangiosis

Last revised by Francis Deng on 6 May 2022

Citation, DOI, disclosures and article data

Citation:

Gaillard F, Deng F, Hacking C, Encephaloduroarteriosynangiosis. Reference article, Radiopaedia.org (Accessed on 19 Apr 2024) https://doi.org/10.53347/rID-71950

DOI:

https://doi.org/10.53347/rID-71950

Permalink:

https://radiopaedia.org/articles/71950

rID:

71950

Article created:

31 Oct 2019, Frank Gaillard ◉ ◈

Disclosures:

At the time the article was created Frank Gaillard had no recorded disclosures.

View Frank Gaillard's current disclosures

Last revised:

6 May 2022, Francis Deng ◉

Disclosures:

At the time the article was last revised Francis Deng had no financial relationships to ineligible companies to disclose.

View Francis Deng's current disclosures

Revisions:

4 times, by 3 contributors - see full revision history and disclosures

Systems:

Central Nervous System

Synonyms:

Encephaloduroarteriosynangiosis (EDAS)
EDAS

Encephaloduroarteriosynangiosis (EDAS) is the most commonly used indirect revascularization surgery for moyamoya disease or syndrome, which provides a way to bypass an occluded internal carotid artery and circle of Willis without having to perform a direct surgical anastomosis.

It involves dissection of superficial temporal artery branches with surrounding galea, creating a craniotomy and durotomy, and then suturing the galeal cuff to the durotomy edges so that the artery lies on the pial surface of the brain. Revascularization occurs as a result of angiogenesis driven by local hypoperfusion and ischemia ^1,2. The deep temporal artery is the main arterial supply.