Bypass Surgeries in the Treatment of Cerebral Aneurysms.

Background: During surgery for cerebral aneurysm, revascularization techniques are occasionally needed to (1) treat an aneurysm (trapping or flow alteration); (2) preserve blood flow during temporary parent artery occlusion (insurance); and (3) repair accidentally injured vessels (troubleshooting). Herein we present our surgical case experiences.

Methods: Revascularization modalities were employed in 33 (7.