Summary
Objectives
Voice rest is commonly recommended after phonomicrosurgery to prevent worsening of
vocal fold injuries. However, the most effective duration of voice rest is unknown.
Recently, early vocal stimulation was recommended as a means to improve wound healing.
The purpose of this study is to examine the optimal duration of voice rest after phonomicrosurgery.
Study Design
Randomized controlled clinical study.
Methods
Patients undergoing phonomicrosurgery for leukoplakia, carcinoma in situ, vocal fold polyp, Reinke's edema, and cyst were chosen. Participants were randomly
assigned to voice rest for 3 or 7 postoperative days. Voice therapy was administered
to both groups after voice rest. Grade, roughness, breathiness, asthenia, and strain
(GRBAS) scale, stroboscopic examination, aerodynamic assessment, acoustic analysis,
and Voice Handicap Index-10 (VHI-10) were performed pre- and postoperatively at 1,
3, and 6 months. Stroboscopic examination evaluated normalized mucosal wave amplitude
(NMWA). Parameters were compared between both groups.
Results
Thirty-one patients were analyzed (3-day group, n = 16; 7-day group, n = 15). Jitter,
shimmer, and VHI-10 were significantly better in the 3-day group at 1 month post operation.
GRBAS was significantly better in the 3-day group at 1 and 3 months post operation,
and NMWA was significantly better in the 3-day group at 1, 3, and 6 months post operation
compared to the 7-day group.
Conclusions
The data suggest that 3 days of voice rest followed by voice therapy may lead to better
wound healing of the vocal fold compared to 7 days of voice rest. Appropriate mechanical
stimulation during early stages of vocal fold wound healing may lead to favorable
functional recovery.
Key Words
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Article info
Publication history
Published online: August 01, 2016
Accepted:
February 10,
2016
Footnotes
Presented at the Voice Foundation's 44th Annual Symposium, Philadelphia, Pennsylvania, USA, May 26–31, 2015.
Identification
Copyright
© 2017 The Voice Foundation. Published by Elsevier Inc. All rights reserved.
