The effects of bilateral anterior capsulotomy were analyzed in 12 patients with Tourette’s syndrome (TS). All of the patients underwent bilateral anterior capsulotomy. In 7 patients, the target was the anterior one third of the anterior limb of the capsula interna, while in 5 patients, the posterior one third of this structure was targeted. Radiofrequency thermolesions were created at 80°C for 60 s. These surgeries resulted in a reduction in TS symptoms (motor and vocal tics and/or obsessive-compulsive behavior) of >50% in all patients, regardless of the target. A comparison of the two lesion sites suggests that patients with lesions of the posterior one third of the anterior limb have a greater reduction in TS symptoms (>80%) than patients receiving lesions of the anterior one third of the anterior limb (>50%). No severe, permanent side effects were observed in any patient.

Keywords:
Tourette’s Syndrome, Capsulotomy, Obsessive-compulsive disorder
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© 2005 S. Karger AG, Basel
2005
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