© 2015

Pathophysiology and Surgical Treatment of Unilateral Vocal Fold Paralysis

Denervation and Reinnervation


About this book


All laryngologists, especially general ENT doctors for patients with paralytic dysphonia, as well as speech pathologists, will benefit from this book’s coverage of basic and clinical aspects of reinnervation in retrieving patients’ normal voices.

Phonosurgical treatment for paralytic dysphonia was established in the late 1970s as arytenoid adduction and medialization laryngoplasty. It has recently been established that immediate reconstruction of the recurrent laryngeal nerve during tumor extirpation is effective in recovery of original voices in patients with unilateral vocal fold paralysis (VFP). The activity of the thyroarytenoid muscle is needed to recover normal voices. Nerve–muscle pedicle (NMP) flap implantation with a refined technique to the thyroarytenoid muscle is a novel method for that purpose. NMP flap implantation with arytenoid adduction was applied by the author to patients with dysphonia, and most of them recovered their nearly normal voices after surgery.

This book provides readers with (1) currently prevalent surgical procedures, (2) unsatisfactory results of conventional procedures, (3) results of immediate recurrent laryngeal nerve reconstruction during tumor extirpation, (4) outcomes of delayed reinnervation combined with arytenoid adduction in patients with VFP, and (5) the scientific basis explaining why the author’s method is effective in the recovery of patients’ own pre-paralysis, normal voices.


Denervation Nerve-muscle pedicle implantation Reinnervation Thyroarytenoid muscle Vocal fold paralysis

Authors and affiliations

  1. 1.Department of Otlaryngology Head and Neck SurgeryGraduate School of Medical Sciences Kumamoto UniversityKumamotoJapan

About the authors

Eiji Yumoto, MD Professor and Chairman Department of Otolaryngology – Head and Neck Surgery Graduate School of Medical Sciences, Kumamoto University 1-1-1 Honjo, Chuo-ku, Kumamoto-shi, 860-8556, Japan Phone +81-96-373-5255, Fax +81-96-373-5256 e-mail:

Bibliographic information

  • Book Title Pathophysiology and Surgical Treatment of Unilateral Vocal Fold Paralysis
  • Book Subtitle Denervation and Reinnervation
  • Authors Eiji Yumoto
  • DOI
  • Copyright Information Springer Japan 2015
  • Publisher Name Springer, Tokyo
  • eBook Packages Medicine Medicine (R0)
  • Hardcover ISBN 978-4-431-55353-3
  • Softcover ISBN 978-4-431-56231-3
  • eBook ISBN 978-4-431-55354-0
  • Edition Number 1
  • Number of Pages XIII, 161
  • Number of Illustrations 53 b/w illustrations, 62 illustrations in colour
  • Topics Head and Neck Surgery
    Speech Pathology
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