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  • Title: Comparison of Percutaneous Retrogasserian Balloon Compression and Gamma Knife Radiosurgery for the Treatment of Trigeminal Neuralgia in Multiple Sclerosis.
    Author: Alvarez-Pinzon AM, Wolf AL, Swedberg HN, Barkley KA, Cucalon J, Curia L, Valerio JE.
    Journal: World Neurosurg; 2017 Jan; 97():590-594. PubMed ID: 27756676.
    Abstract:
    OBJECTIVE: We compared and evaluated percutaneous retrogasserian balloon compression (PBC) and Gamma Knife radiosurgery (GKRS) for treatment of trigeminal neuralgia (TN) in patients with multiple sclerosis (MS). METHODS: In this single-center, retrospective comparative study, 202 patients with MS and concomitant TN were evaluated. A minimum follow-up of 24 months was required. Patients with a history of microvascular decompression or previous intervention were excluded. Between February 2009 and December 2013, 78 PBC procedures and 124 first-dosage GKRS procedures were performed. PBC procedures were successfully completed in all cases. The 2 groups were compared with regard to initial effect, duration of effect, and complications including type and severity. RESULTS: Immediate pain relief occurred in 87% of patients treated with PBC and in 23% of patients treated with GKRS. Kaplan-Meier plots for the 2 treatment modalities were similar. The 50% recurrence rate was at 12 months for the PBC group and 18 months for the GKRS group. Complication (excluding numbness) rates were 3% for GKRS and 21% for PBC. The difference was statistically significant (χ2 test, P = 0.03). CONCLUSIONS: PBC and GKRS are effective techniques for treatment of TN in patients with MS. Fewer complications and superior long-term relief were associated with GKRS. We consider GKRS as the first option for the treatment of TN in patients with MS, reserving PBC for patients with acute, intractable pain.
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