Vein graft bypass in treatment of giant aneurysm.

A case of giant internal carotid artery aneurysm which was successfully treated by trapping and internal decompression of the aneurysm is presented. Proximal vascular occlusion of the involved internal carotid artery and long vein bypass graft were performed under hypothermia. This is the first long vein bypass graft reported for the treatment of a giant aneurysm.