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Medical Drug Treatments            Microvascular Decompression            Percutaneous Procedures
Percutaneous Procedures
     Percutaneous procedures are recommended for patients who have complications with MVD. Each percutaneous procedure involves rhizotomy (nerve damage).  Percutaneous procedures include balloon compression, radiofrequency rhizotomy, neurolytic blocks, and gamma-knife radiosurgery.

    -pain relief may take several months
    -patients only have pain-free intervals of 1.5-2 years only
    -nerve is damaged and can no longer feel
    -facial numbness and disfigurement is common


present tech gamma
Gamma-knife radiosurgery focuses high concentration gamma radiation beams at the brainstem. This causes a lesion which affects the brain's ability to send pain signals.
present tech neurolytic
The neurolytic block (glycerol, alcohol, or phenol injections) covers the ganglion - where nerve impulses are sent - and injures it.
present tech radio
Radiofrequency rhizotomy first pinpoints the area of pain then uses an electrode to damage the nerve fibres in the pain area.
present tech balloon
Balloon compression uses a catheter that travels through the foramen ovale, one of the biggest holes in the skull. A no.4 balloon on the end of the catheter is inflated to compress the nerve.