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Mov Disord Clin Pract. 2017 Sep-Oct;4(5):768-771. doi: 10.1002/mdc3.12498. Epub 2017 May 25.

Positional Tremor and its Treatment.

Author information

1
Department of Neurology, Yale School of Medicine, Yale University, New Haven, CT, USA.
2
Human Motor Control Section, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD, USA.

Abstract

BACKGROUND:

Positional tremors arise when a patient's tremor is brought on during specific positioning of the involved body part. They can be distinguished from postural tremor, wherein a patient's tremor is elicited in any posture, and from task-specific tremor, wherein a patient's tremor occurs only during a certain task.

CASES:

We describe two cases of positional tremor that are markedly improved with botulinum toxin injection.

DISCUSSION:

The term "positional" is a valuable descriptor for tremors. In patients with positional tremor, botulinum toxin may be beneficial for treatment. Lidocaine injection provides a transient way to test for the appropriateness of botulinum toxin injection in these patients.

KEYWORDS:

action tremor; botulinum toxin; lidocaine; muscle spindle

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