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How effective is percutaneous balloon compression for multiple sclerosis trigeminal neuralgia patients?

moderate confidence  ·  Last reviewed May 25, 2026

Percutaneous balloon compression (PBC) is a surgical option for patients with trigeminal neuralgia caused by multiple sclerosis. Research shows it provides rapid and significant pain relief for most patients. However, the relief is often temporary, and the procedure can cause side effects like facial numbness or difficulty chewing. Doctors typically consider it when medications fail or when faster pain control is needed.

What the research says

The procedure carries specific risks for MS patients. Across studies, the pooled complication rate was 16% 3. One study found that balloon compression was associated with a significantly higher risk of postoperative chewing weakness compared to other methods like glycerol injection 6. Another study noted that minor transient complications occurred in about 11% of procedures 5.

What to ask your doctor

  • What is the expected duration of pain relief for me specifically?
  • How likely am I to experience facial numbness or chewing weakness after the procedure?
  • Is percutaneous balloon compression better or worse than glycerol rhizotomy for my specific case?
  • What are the chances I will need a repeat procedure if the pain returns?
  • Are there non-surgical options I should try before considering this surgery?

This question is drawn from common patient questions about Neurology and answered using cited medical research. We do not provide individualized advice.