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Longitudinal Voice Outcomes After Type I Gore-tex Thyroplasty for Nonparalytic Glottic Incompetence
Lewis Overton1, Katherine Adams2, Rupali N Shah1
1Department of Otolaryngology-Head & Neck Surgery, University of North Carolina Hospitals, Chapel Hill, North Carolina, USA.
The Annals of Otology, Rhinology, and Laryngology
|December 4, 2016
Summary
Gore-Tex thyroplasty offers lasting voice improvement for glottic incompetence. Outcomes are most durable for hypomobility/paresis, followed by atrophy, with scar patients showing less sustained benefit.
Area of Science:
- Otolaryngology
- Speech and Voice Science
Background:
- Nonparalytic glottic incompetence (GI) affects voice quality.
- Type I Gore-Tex thyroplasty (GTP) is a surgical option for GI.
- Longitudinal voice outcomes after GTP require further investigation.
Purpose of the Study:
- To assess the long-term voice outcomes following Type I Gore-Tex thyroplasty (GTP).
- To compare outcomes across different diagnostic subgroups of glottic incompetence (GI).
Main Methods:
- Retrospective review of 75 patients with nonparalytic GI treated with GTP.
- Patients were stratified by diagnosis: atrophy, scar, hypomobility, and paresis.
- Voice outcomes (VRQOL, GFI, GRBAS) were analyzed longitudinally post-surgery.
Main Results:
- Voice-Related Quality of Life (VRQOL) improved significantly up to 3-5 years; Glottal Function Index (GFI) up to 5-10 years.
- GRBAS scores showed significant improvement for up to 18-36 months.
- Hypomobility/paresis subgroups demonstrated the most durable voice improvements; scar subgroup showed limited sustained benefit.
Conclusions:
- Gore-Tex thyroplasty (GTP) provides durable subjective and perceptual voice improvements for nonparalytic glottic incompetence (GI).
- Vocal outcomes are most durable in hypomobility/paresis patients, followed by atrophy.
- Scar-related GI may have less sustained voice improvement after GTP.
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