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Autologous replacement of the vocal fold: a new surgical approach for adduction-type spasmodic dysphonia

Published online by Cambridge University Press:  08 March 2006

Koichi Tsunoda ,
Naomi Amagai ,
Kenji Kondou ,
Tom Baer ,
Kimitaka Kaga  and
Seiji Niimi
Koichi Tsunoda
Affiliation:
Department of Artificial Organs, National Institute of Sensory Organs, Tokyo, Japan.
Naomi Amagai
Affiliation:
Department of Otolaryngology, Nissan Tamagawa Hospital, Tokyo, Japan.
Kenji Kondou
Affiliation:
Department of Otolaryngology and Head and Neck Surgery, University of Tokyo, Tokyo, Japan.
Tom Baer
Affiliation:
Department of Experimental Psychology, University of Cambridge, Cambridge, UK.
Kimitaka Kaga
Affiliation:
Department of Otolaryngology and Head and Neck Surgery, University of Tokyo, Tokyo, Japan.
Seiji Niimi
Affiliation:
Speech and Hearing Center, International University of Health and Welfare, Tochigi, Japan.
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Abstract

Many surgical approaches have been developed for the treatment of adduction-type spasmodic dysphonia (SPD). We developed and performed a new type of surgical approach (autologous replacement of the vocal fold).

Our new surgical technique increases the advantages and decreases the disadvantages of previous surgical procedures in three ways: (1) It has similar effects to the previous procedures in that it prevents contraction of the thyroarytenoid muscle. (2) It decreases vocal-fold tension, as in framework surgery. (3) It reduces glottal incompetence, as does fibrinogen-glue injection, but it is more suitable because it is autologous. Furthermore, it produces increases in the mass and volume of the vocal-fold body and is also safe because the replacement tissue is autologous.

The short-term results appear encouraging in preventing spastic voice while also avoiding vocal-fold atrophy. Long-term follow up will be necessary to determine the actual efficacy. However, this is clearly a possible choice as a surgical approach for treating adduction-type SPD.

Keywords

LarynxVoice DisordersSurgical ProceduresOperativeTransplantation
Type
Clinical Records
Information
The Journal of Laryngology & Otology , Volume 119 , Issue 3 , March 2005 , pp. 222 - 225
Copyright
© 2005 Royal Society of Medicine Press

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