It involves surgically opening the skull and exposing the nerve at brainstem,
trigeminal neuralgia being treated by inserting a tiny sponge between the trigeminal nerve and superior cerebellar artery. you will need to undergo tests like blood tests electrocardiogram, chest x ray, sign consents, furnish details about allergies, medicines, anesthetic reactions, other preanesthetic precautions like stopping NSAIDs, blood thinners, stop smoking etc.