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KMID : 1004320200310010001
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Journal of the Korean Society of Logopedics and Phoniatrics
2020 Volume.31 No. 1 p.1 ~ p.6
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The Choice of Laryngeal Reinnervation Versus Medicalization Laryngoplasty in Unilateral Vocal Fold Paralysis
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Kim Hee-Jin
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Abstract
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In unilateral vocal fold paralysis (UVFP) patients, we try to improve their symptoms such as hoarseness or aspiration by restoring nerve functions or medialization laryngoplasty (ML), etc. Until now, ML (thyroplasty and/or arytenoid adduction) is considered as gold standard of treatment for UVFP. However, if recurrent laryngeal nerve (RLN) is damaged and use of RLN is feasible during operation, laryngeal reinnervation (LR) would be a good option. Anastomosis with ansa cervicalis to RLN is most common reinnervation method. Delayed LR may be considered in young patients when the RLN denervation period is not long (less than 2 years) for the treatment of surgery-related UVFP. Injection laryngoplasty and laryngeal framework surgery showed great voice outcomes in UVFP. Combination therapy (neuromuscular pedicle innervation with ML) also showed good post-operative voice outcomes even in longer periods (over 2 years). In pediatric patients, LR would be considered as a good treatment option because all procedures need to general anesthesia.
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KEYWORD
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Vocal cord paralysis, Nerve transfer, Medialization laryngoplasty
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