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Awake
craniotomy has an edge over general anaesthesia
Awake craniotomy is performed for resection of epileptogenic
foci and other lesions (tumors and arteriovenous malformation),
which are close to eloquent (important), ie motor and speech
areas of the brain. Basic principle in keeping the patient
awake during surgery is to prevent damage during surgery,
to functionally important areas of the brain by performing
cortical mapping, which requires patient to be awake to test
his speech and to watch his movements.
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