Journal
JOURNAL OF NEUROSURGERY
Volume 98, Issue 4, Pages 888-890Publisher
AMER ASSOC NEUROLOGICAL SURGEONS
DOI: 10.3171/jns.2003.98.4.0888
Keywords
deep brain stimulation; ventralis intermedius nucleus; midbrain tremor; cavernous angioma
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Thalamic deep brain stimulation (DBS) has been demonstrated to be effective for the treatment of parkinsonian or essential tremor. To date, however, few data exist to support the application of this method to treat midbrain tremor. A 24-year-old right-handed man underwent radiosurgery and subsequent resection of a recurrently hemorrhaging cavernous angioma located in the left side of the midbrain. The surgery exacerbated severe choreoathetotic resting and action tremors of his right extremities and trunk. The patient underwent placement of a deep brain stimulator into the left ventral intermediate nucleus of the thalamus (Vim). Postoperatively, decreased truncal ataxia and right-sided choreoathetotic tremor were demonstrated, with a 57% increase in dexterity as measured by task testing. The authors demonstrate that DBS can be an effective treatment modality for disabling tremor after resection of a midbrain cavernous angioma.
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