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Thalamic deep brain stimulation for posttraumatic action tremor.

Atsushi Umemura¹, Uzma Samadani, Jurg L Jaggi

¹Department of Neurosurgery, Penn Neurological Institute at Pennsylvania Hospital, University of Pennsylvania, 330 South, 9th Street, Philadelphia, PA 19107, USA.

Clinical Neurology and Neurosurgery

|August 7, 2004

Summary

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Deep brain stimulation (DBS) effectively treated posttraumatic tremor in a young man after a severe brain injury. Thalamic DBS of the ventral intermediate nucleus (Vim) offers a promising option for intractable tremors.

Area of Science:

Neuroscience
Neurosurgery
Neurology

Background:

Posttraumatic tremor can be disabling and difficult to treat.
Diffuse axonal injury from trauma can lead to neurological deficits, including tremor.
Medically refractory tremors pose significant management challenges.

Observation:

An 18-year-old male developed severe action tremor in his right upper extremity 9 months post-motor vehicle collision.
The tremor was disabling and did not respond to medical treatments.
The patient had sustained a diffuse axonal injury.

Findings:

Thalamic deep brain stimulation (DBS) was performed targeting the left ventral intermediate nucleus (Vim).
Ventral intermediate nucleus (Vim) DBS successfully suppressed the posttraumatic tremor.

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The procedure was performed without complications.

Implications:

Thalamic deep brain stimulation (DBS) is a viable treatment option for intractable posttraumatic tremor.
This case highlights the potential of DBS for managing tremor sequelae of traumatic brain injury.
Further research into DBS for posttraumatic neurological deficits is warranted.