Treatment of Spasmodic Dysphonia with Botulinum Toxin: Clinical Experiences and Research Issues

  • Gayle E. Woodson
  • Thomas Murry
  • Petra Zwirner
  • Michael Swenson

Abstract

Spasmodic Dysphonia is a disabling speech disorder characterized by excessive contractions of laryngeal muscles. Botulinum toxin has been demonstrated in several clinical trials to be very effective in improving speech in most patients and its clinical use is becoming more widespread. Although the benefits of botulinum toxin treatment are considerable, few patients achieve a totally normal voice and minor side effects are common. Clinical research is needed to determine the factors limiting improvement, to determine the role of adjunctive speech therapy, and to develop treatment protocols which will maximize benefits and diminish side effects.

Keywords

Botulinum Toxin Essential Tremor Vocal Fold Botulinum Toxin Injection Bilateral Injection 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media New York 1993

Authors and Affiliations

  • Gayle E. Woodson
    • 1
  • Thomas Murry
    • 1
  • Petra Zwirner
    • 2
  • Michael Swenson
    • 3
  1. 1.Department of Surgery/Division of OtolaryngologyUniversity of California, San Diego School of Medicine and VA Medical Center, San DiegoSan DiegoUSA
  2. 2.HNO KlinikKlinikum GrosshadernMunich 70Germany
  3. 3.Department of NeurosciencesUniversity of California, San Diego School of MedicineSan DiegoUSA

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