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Correlation between clinical response and injection quality in treatment of spasmodic dysphonia

Published online by Cambridge University Press:  29 June 2007

A. K. Tewary*
Affiliation:
Department of Otolaryngology, Queen Elizabeth Hospital, Birmingham, UK.
*
Address for correspondence: Mr A. K. Tewary, Senior Registrar, ENT Department, Royal Victoria Hospital, Belfast BT12 6BA.

Abstract

Botulinum toxin injection is an effective treatment for spasmodic dysphonia. There are ethical difficulties in performing a controlled placebo trial to assess the effectiveness of this treatment. This paper shows a significantly decreased clinical response following technically poor injections given to patients who respond well to good quality injections.

Type
Main Articles
Copyright
Copyright © JLO (1984) Limited 1996

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References

Blitzer, A., Brin, M. F. (1991) Laryngeal dystonia: a series with botulinum toxin therapy. Annals of Otology, Rhinology and Laryngology 100(2): 8589.CrossRefGoogle ScholarPubMed
Blitzer, A., Lovelace, R. E., Brin, M. F., Fahn, S., Fink, M. E. (1985) Electromyographic findings in focal laryngeal dystonia (spastic dysphonia). Annals of Otology, Rhinology and Laryngology 94: 591594.CrossRefGoogle ScholarPubMed
George, E. F., Zimbler, M., Wu, B. L., Biller, H. F., Sanders, I. (1992) Quantitative mapping of the effect of botulinum toxin injections in the thyroarytenoid muscle. Annals of Otology, Rhinology and Laryngology 101(11): 888892.CrossRefGoogle ScholarPubMed
Troung, D. D., Rontal, M., Aronson, A. E., Mistura, K. (1991): Double-blind controlled study of botulinum toxin in adductor spasmodic dysphonia. Laryngoscope 101: 630634.CrossRefGoogle ScholarPubMed
Zwirner, P., Murry, T., Woodson, G. E. (1993) A comparison of bilateral and unilateral botulinum toxin treatments for spasmodic dysphonia. European Archives of Oto-Rhino-Laryngology 250(5): 271276.CrossRefGoogle ScholarPubMed