J Korean Acad Child Adolesc Psychiatry.  2013 Jun;24(2):90-95.

The Clinical Effect of Botulinum Toxin in a Patient with Tourette's Syndrome : A Case Report and Review

Affiliations
  • 1Department of Rehabilitation, College of Medicine, Dankook University, Cheonan, Korea.
  • 2Department of Psychiatry, College of Medicine, Dankook University, Cheonan, Korea. paperose@dku.edu
  • 3Environmental Health Center, Dankook University Medical Center, Cheonan, Korea.
  • 4Department of Neurology, College of Medicine, Dankook University, Cheonan, Korea.

Abstract

Botulinum toxin, a neurotoxin, is known to be an inhibitor of cholinergic neuromuscular transmission. Recently, it was reported that the administration of botulinum toxin is effective for the treatment of focal neurological motor disorders such as cervical dystonia, blepharospasm, hemifacial spasm, spasmodic dysphonia, and writer's cramp. Several case studies reported that the botulinum toxin was administered for the treatment of motor tic or vocal tic. It was found that this toxin reduces the frequency and severity of the tic as well as the premonitory urge and symptoms. In our case study, a noticeable decrease of motor tic symptom was observed after an intramuscular injection of 300mg of botulinum toxin in an 18-year-old patient with Tourette's disorder who showed only a little improvement of motor tic and vocal tic symptoms after treatment with antipsychotic drugs for several years. This case is reported in our study and literature survey was undertaken for reviewing similar cases. In our study, an 18-year-old boy diagnosed with Tourette's disorder based on Diagnostic and Statistical Manual of Mental Disorders, fourth edition presented with the following scores : the Clinical Global Impression scale, Yale Global Tic Severity Scale (motor/vocal/severity), Premonitory Urge Score, Korean Attention-Deficit Hyperactivity Disorder Rating scale, and Kovac Depression scale which were performed prior to the treatment were 5, 21/5/50, 100, 17, and 18 points, respectively. Two weeks after the injection of botulinum toxin, the scores were 4, 17/5/40, 50, 16, and 19 points, respectively. Eight weeks after the injection of botulinum toxin, they had become 3, 15/5/30, 25, 16, and 20 points, respectively, which clearly indicates a noticeable decrease of motor tic symptom.

Keyword

Tourette's Syndrome; Botulinum Toxin

MeSH Terms

Antipsychotic Agents
Blepharospasm
Botulinum Toxins
Depression
Diagnostic and Statistical Manual of Mental Disorders
Dysphonia
Dystonic Disorders
Hemifacial Spasm
Humans
Injections, Intramuscular
Tics
Torticollis
Tourette Syndrome
Antipsychotic Agents
Botulinum Toxins
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