Isolated Recovery of Adductor Muscle Function Following Bilateral Recurrent Laryngeal Nerve Injuries

The aim of this study was to analyze the phoniatric and respiratory outcomes of a subset of bilateral vocal cord paralysis (BVCP) patients who were all treated with unilateral endoscopic arytenoid abduction lateropexy (EAAL). EAAL is a nondestructive, minimally invasive glottis widening operation, w...

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Elmentve itt :
Bibliográfiai részletek
Szerzők: Bach Ádám
Sztanó Balázs
Matievics Vera
Bere Zsófia
Volk Fabian
Müller Andreas
Förster Gerhard
Castellanos Paul F.
Rovó László
Dokumentumtípus: Cikk
Megjelent: 2019
Sorozat:LARYNGOSCOPE 129 No. 10
doi:10.1002/lary.27718

mtmt:30644033
Online Access:http://publicatio.bibl.u-szeged.hu/17366
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520 3 |a The aim of this study was to analyze the phoniatric and respiratory outcomes of a subset of bilateral vocal cord paralysis (BVCP) patients who were all treated with unilateral endoscopic arytenoid abduction lateropexy (EAAL). EAAL is a nondestructive, minimally invasive glottis widening operation, which does not damage either the surgically treated or the contralateral vocal cord. Therefore, it does not impair the regeneration potential of the recurrent laryngeal nerve.Case series.Ten out of 21 BVCP patients who were treated with EAAL showed signs of isolated adduction recovery at 1 year and were chosen for this study. Functional results (objective and subjective voice analysis, spirometric measurement) and vocal cord movements were assessed preoperatively, 1 week and 1 year after EAAL. Laryngeal electromyography was performed on the 12th postoperative month.The volitional adductor movement seen on laryngoscopy was corroborated by laryngeal electromyography evaluation. Peak inspiratory flow increased significantly after EAAL. Quality-of-life scores also showed high patient satisfaction. Shimmer showed consistent improvement along with harmonic-to-noise ratio and average maximal phonation time in parallel with the improving vocal cord movement. Complex voice analysis and subjective self-evaluation tests also demonstrated significant improvement.EAAL, as a minimally invasive, nondestructive airway widening technique, does not interfere with the potential regeneration process that can still occur after BVCP, allowing for laryngeal functional recovery. It is a safe and effective treatment for BVCP that allows a simple solution with good phonatory, swallowing, and respiratory benefits by unilateral passive and reversible vocal cord lateralization.4. Laryngoscope, 2018. 
700 0 1 |a Sztanó Balázs  |e aut 
700 0 1 |a Matievics Vera  |e aut 
700 0 1 |a Bere Zsófia  |e aut 
700 0 1 |a Volk Fabian  |e aut 
700 0 1 |a Müller Andreas  |e aut 
700 0 1 |a Förster Gerhard  |e aut 
700 0 1 |a Castellanos Paul F.  |e aut 
700 0 1 |a Rovó László  |e aut 
856 4 0 |u http://publicatio.bibl.u-szeged.hu/17366/1/isolated.pdf  |z Dokumentum-elérés