Type of Surgery
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Last updated: 11/24/2009
If the postoperative angiogram indicates the clip has been properly placed, the aneurysm has been totally obliterated, and vasospasm is avoided, most patients do extremely well. However, the results of the surgery are always limited by the amount of...
neurological damage that occurred with the rupture itself, as much of the damage is nonreversible with current treatment methods. This issue is not a consideration with elective repair of a pre-rupture aneurysm.
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An artist's representation of what nerves and nerve bundles look like at the microscopic level. It also shows how the anatomy of a nerve allows it to transmit electrical signals and communicate with other neurons (nerves).
To repair a cerebral aneurysm by craniotomy, an incision is made in the skin on the side of the head (A). Small holes are drilled in the skull (B), and a special saw is used to cut the bone between the holes (C). The bone is removed (D), and the aneurysm is treated (E). The bone is replaced, and the skin is sutured closed (F). (Illustration by GGS Inc.)
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Definition
Cerebral aneurysm repair involves corrective treatment of an abnormal blood-filled sac formed by localized expansion of an artery or vein within the brain. These sacs tend to form at the juncture between a primary vessel and a branch. If the vessel involved is an artery, the lesion is also known as a berry aneurysm because of its round, berry-like appearance.
Purpose
The purpose of the surgical treatment of cerebral aneurysms is to isolate the weakened vessel area from the blood supply. This is commonly done through the strategic placement of small, surgical clips to the neck of the lesion. Thus, the aneurysm becomes isolated from the normal circulation without damaging adjacent vessels or their branches and shrinks in size to become undetectable, a process known as aneurysm obliteration.
Other Information
On neurosurgery it is important to have new types of procedures, like stereotactic radiosurgery that is a newer type of focused radiation that has been used with some success for patients with metastatic brain tumors
-Cedar-Sinals
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