Title

Left A2 Fusiform Aneurysm: 2-Dimensional Operative Video.

Department

Neurosurgery

Document Type

Article

Abstract

Anterior cerebral artery aneurysms within the A2 segment that are fusiform or giant A2 aneurysms with a wide neck often are not candidates for endovascular treatment and require surgical intervention. These lesions necessitate a bypass procedure to preserve distal flow along the anterior cerebral artery. This patient demonstrated a left-sided unruptured A2 fusiform aneurysm that necessitated a bypass procedure for management. The patient was positioned with the head rotated laterally to permit orientation of the interhemispheric fissure within the horizontal plane and achieve gravity retraction of the dependent hemisphere. The bilateral pericallosal branches were exposed and liberated from arachnoid adhesions to permit mobilization necessary for the side-to-side anastomosis. While the anastomosis was performed, the continuous suture loops were left loose to permit complete visualization of the inner and outer walls prior to the final tightening and tying of the anastomotic suture. Following the completion of the anastomosis, the temporary clips were removed. A permanent clip was placed on the distal A2 to prevent outflow from the parent artery and thereby allow for aneurysm thrombosis. The patient gave informed consent for surgery and video recording. Institutional review board approval was deemed unnecessary. Used with permission from Barrow Neurological Institute, Phoenix, Arizona.

Publication Date

4-13-2020

Publication Title

Oper Neurosurg (Hagerstown)

ISSN

2332-4260

PubMed ID

32281618

Digital Object Identifier (DOI)

10.1093/ons/opaa079

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