ABSTRACT
BACKGROUND: Posttraumatic tremor (PTT) is the most frequent movement disorder secondary to cranioencephalic trauma and can be persistent and disabling. OBJECTIVES: We review and assess the efficacy of deep brain stimulation (DBS) at the VIM/VOP/ZI (ventralis intermedius/ventrooralis posterior/zona incerta) complex level for the treatment of PTT. METHODS: During the period from 1999 to 2014, 5 patients diagnosed with PTT were selected who had experienced a major deterioration in their quality of life without improvement during medical treatment for more than 1 year. They underwent surgery for DBS at the VIM/VOP/ZI complex level, and the modified tremor scale before and after surgery was used for their follow-up. RESULTS: Each patient showed improvements in their symptoms after DBS compared with baseline, which was moderate (II) in 2 cases and marked (III) in the other cases. All of the improvements were maintained with chronic DBS, without tremor rebound. CONCLUSIONS: Stimulation of the contralateral VIM/VOP/ZI complex resulted in a noticeable improvement in tremor and recovery of independence in basic daily activities in patients with PTT.
Subject(s)
Brain Injuries, Traumatic/surgery , Deep Brain Stimulation/methods , Movement Disorders/surgery , Tremor/surgery , Adolescent , Adult , Brain Injuries, Traumatic/complications , Brain Injuries, Traumatic/diagnostic imaging , Deep Brain Stimulation/trends , Female , Follow-Up Studies , Humans , Male , Movement Disorders/diagnostic imaging , Movement Disorders/etiology , Tremor/diagnostic imaging , Tremor/etiology , Young AdultABSTRACT
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