Deep Brain Stimulation in Posttraumatic Tremor: A Series of Cases and Literature Review.

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.

Spontaneous subdural empyema by Escherichia coli: case report and literature review / Empiema subdural espontáneo por Escherichia coli: descripción de un caso y revisión de la literatura

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