Muhammad Hassan Raza, Adeeb-ul Hassan, Omair Afzal Ali, Khalid Mahmood.
Clinical Outcome of Percutaneous Radiofrequency Rhizotomy for Trigeminal Neuralgia at a Tertiary Care Hospital..
Pak J Neuro Surg Jan ;23(4):283-7.

Background: - Trigeminal neuralgia is a disease typically characterized by involuntary attacks of lancinating pain in the distribution of the trigeminal nerve that are activated by non-noxious stimuli. Numerous anticonvulsants, either alone or in combination, remain the first choice in the medical treatment of trigeminal neuralgia. If the disease becomes non responsive, there are numerous surgical options like micro vascular decompression or minimally invasive percutaneous lesioning of the trigeminal nerve, such as glycerol rhizolysis, Radiofrequency Rhizotomy, and balloon compression. Objective: - To determine efficacy of percutaneous Radiofrequency Rhizotomy for trigeminal neuralgia in terms of early pain relief in a tertiary care hospital. Methods: -  62 patients with refractory trigeminal neuralgia or lancinating, recurrent episodes of pain in the distribution of Ophthalmic (V1) and Mandibular (V3) branches of trigeminal nerve, not responsive to 6 months of conservative treatment were included. Study was completed in one year i.e. from March 2015 to Feb 2016. Result: - In our study population, 62 included patients were had mean age 56.08 ± 7.39 years. 44 patients (71%) were male. Our treatment was effective in 58 patients (93.5%) while there was recurrence among 4 (6.5%) only. Conclusion: - It is concluded that the efficacy of percutaneous Radiofrequency Rhizotomy for trigeminal neuralgia in terms of complete relief of pain with intact sensations in treated branch region is excellent (93.5%).

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