What is surgical clipping and how does it treat a brain aneurysm?

Surgical clipping is the most common surgical treatment option for a brain aneurysm because it has proved to be most effective. An incision is made in the scalp, part of the skull is removed, and the artery affected by the aneurysm is located using a microscope. A neurosurgeon inserts a metal clip at the base of the aneurysm. This serves to cut off blood flow, thereby destroying the aneurysm. The removed part of the skull is replaced and the incision is sewn together.

Surgical clipping is a procedure during which a neurosurgeon closes off an aneurysm. The neurosurgeon removes a section of the skull to access the aneurysm and pinpoint the blood vessel that feeds the aneurysm. Then the surgeon places a tiny metal clip on the neck of the aneurysm to stop blood flow to it.

Most elective patients spend two to three nights in the hospital and then will go home on light restricted activity for several weeks after surgery.

Endovascular repair, most often using a "coil" or coiling and stenting (mesh tubes), is a less invasive way to treat some aneurysms. It is now done in more than half of patients. 

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