• J. Neurol. Neurosurg. Psychiatr. · Dec 2020

    Pallidal deep brain stimulation in primary Meige syndrome: clinical outcomes and psychiatric features.

    • Qingpei Hao, Dongliang Wang, Jia OuYang, Hu Ding, Gaungyong Wu, Zhi Liu, and Ru'en Liu.
    • Neurosurgery, Peking University People's Hospital, Beijing, China.
    • J. Neurol. Neurosurg. Psychiatr. 2020 Dec 1; 91 (12): 1343-1348.

    ObjectivesTo study the efficacy and safety of bilateral globus pallidus internus deep brain stimulation (GPi-DBS) in refractory Meige syndrome (MS) and evaluate the psychiatric disorders before and after surgery.MethodsTwenty-two patients with MS treated with bilateral GPi-DBS were retrospectively analysed before surgery and after continuous neurostimulation. Before surgery, patients were assessed by the Burke-Fahn-Marsden Dystonia Rating Scale (BFMDRS), Self-Rating Depression Scale, Medical Outcomes Study 36-Item Short-Form General Health Survey (SF-36) and Pittsburgh Sleep Quality Index (PQSI), which corresponded to motor symptoms, depressive state, quality of life and sleep quality, respectively. The implantable pulse generator of each patient was activated at 1 month after surgery. At 1 month, 3 months, 6 months and 12 months after continuous neurostimulation, all patients were evaluated by the same scales above.ResultsThe BFMDRS movement scores decreased from 15.0±5.3 before surgery to 3.5±4.5 at 12 months after neurostimulation, with a mean improvement of 78% (p<0.001). The BFMDRS disability scores improved from 7.4±4.9 before surgery to 4.0±4.6 at 12 months after neurostimulation, with a mean improvement of 56% (p<0.001). The postoperative SF-36 scores had the remarkable improvement compared with baseline scores. Impaired sleep quality was found in 82% of patients and depression in 64% before surgery, which didn't neither obtained amelioration after continuous neurostimulation.ConclusionsBilateral pallidal neurostimulation is a beneficial therapeutic option for refractory MS, which could improve the motor symptoms except for depression and sleep quality.© Author(s) (or their employer(s)) 2020. No commercial re-use. See rights and permissions. Published by BMJ.

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