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THE PURPOSE OF this study was to review the results of the treatment of trigeminal neuralgia by percutaneous trigeminal nerve compression in 50 patients during a period of 7.5 years and to review the factors associated with pain recurrence. Mean patient age was 61 years (range, 35–86). Among the patients, 52% had previous destructive peripheral procedures; 24% had first division pain; and 10% had multiple sclerosis. The mean follow-up was 3 years (range, 9 mo to 7.5 yr). Eighty-six percent of the patients were satisfied or very satisfied with their pain relief. Mild numbness persisted in 74%, and one patient thought it was severe. Minor masseter weakness resolved in all patients in a maximum of 1 year. Aseptic meningitis occurred in 3 patients. Minor dysesthesia was seen in 20%. Transient 6th nerve palsy was present in one patient. Anesthesia dolorosa or absence of the corneal reflex did not happen. The …