Background: Agressiveness is a psychiatric symptom that may be part of schizophrenia, mental retardation, drug abuse and other conditions. Surgical treatment remains controversial and few therapeutic options are available. We undertook this study to perform a prospective analysis on the efficacy and safety of bilateral cingulotomy and anterior capsulotomy in the treatment of aggressiveness behavior.
Methods: We studied 25 patients with a primary diagnosis of aggressiveness refractory to conventional treatment. Subjects were clinically evaluated with the Mayo-Portland adaptability inventory and the Global Assessment of Functioning score. Lesions were placed stereotactically in both targets and confirmed by postoperative magnetic resonance imaging. Significant changes were evaluated with Wilcoxon test after 3 and 6 months.
Results: According to inclusion and exclusion criteria, only 12 patients were finally included and surgical treated. Lesions significantly decreased using the Mayo-Portland adaptability inventory and the Global Assessment of Functioning score (p <0.002) at 3 and 6 months follow-up. Only five patients showed either mild or transitory postsurgical complications.
Conclusions: Combined bilateral anterior capsulotomy and cingulotomy successfully reduced aggressiveness behavior and improved clinical evaluations. These effects were obtained with fewer complications than previously described targets.
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