Symptomatic hyperekplexia in a patient with multiple sclerosis

Autor: Walter Waespe, Klemens Ruprecht, Ralf Gold, Monika Warmuth-Metz
Rok vydání: 2002
Předmět:
Zdroj: Neurology. 58:503-504
ISSN: 1526-632X
0028-3878
Popis: The startle reflex is a basic alerting reaction to sudden sensory stimuli in mammals. Hyperekplexia, or startle disease, is characterized by an exaggerated, abnormal startle response and occurs as a rare hereditary disorder, typically caused by a dominant mutation in the α 1-subunit of the glycine receptor gene.1 However, nonhereditary cases of hyperekplexia, particularly in association with brainstem lesions, have been described.2-4⇓⇓ We report on a patient with MS with severe symptomatic hyperekplexia that completely disappeared after treatment with gabapentin. A 28-year-old woman presented with a 1-week history of excessive startle responses to sudden acoustic stimuli such as a telephone ringing or a closing door. Unattended visual stimuli, e.g., awareness of a person standing previously unnoticed behind her, could also elicit the reaction. On one occasion, she was startled and fell to the ground when somebody unexpectedly spoke to her on the street. The patient had previously never experienced such symptoms and there was no family history of exaggerated startle. She first had paresthesias in …
Databáze: OpenAIRE