Pronounced: my-CROW-vas-q-lar oh-CLUE-shunEn Español (Spanish Version)
Microvascular occlusion clamps off the artery leading to an aneurysm. This prevents bleeding and rupture. Sometimes a bypass procedure is done as well, rerouting blood vessels to healthy areas of the brain. A portion of the skull is removed (called a craniotomy) and restored during this complex, open surgery.
Last reviewedJune 2013by Michael J. Fucci, DO
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