Videostroboscopic assessment of unilateral vocal fold paralysis after augmentation with autologous fascia

被引:24
作者
Rihkanen, H
Reijonen, P
Lehikoinen-Söderlund, S
Lauri, ER
机构
[1] Helsinki Univ Hosp Jorvi, Dept Otorhinolaryngol Head & Neck Surg, Espoo 02740, Finland
[2] Helsinki Univ Hosp Meilahti, Dept Otorhinolaryngol Head & Neck Surg, Helsinki, Finland
[3] Univ Helsinki, Dept Logoped, Helsinki, Finland
关键词
vocal fold paralysis; fascia; injection laryngoplasty; vocal fold augmentation;
D O I
10.1007/s00405-003-0642-7
中图分类号
R76 [耳鼻咽喉科学];
学科分类号
100213 ;
摘要
Vocal fold augmentation by injection laryngoplasty is a simple and fast procedure. The aim of this prospective study was to assess the glottal closure and the travelling mucosal wave by videostroboscopic images after autologous fascia augmentation in unilateral vocal fold paralysis (UVFP) with a special reference to objective analysis of voice. A total of 14 UVFP patients with poor voice and open glottal gap were assessed by videostroboscopy, blinded perceptual evaluation of running speech and acoustical analysis of sustained vowel. Data were collected before the procedure and at a supplementary evaluation 5-32 months (mean: 13 months) after injection of autologous fascia deep into the paralysed vocal fold. Mean age was 59 years; there were eight women and six men. Frame-by-frame video analysis revealed that before the operation 10 out of 12 had large glottal gaps without any contact between vocal folds on phonation. After the procedure seven gaps were completely closed, four partly, and two had no mucosal contact in stroboscopic examination. Maximum gap between vocal folds decreased from 7.21 units to 1.65 units (paired t-test P<0.001). Mucosal wave amplitude symmetry and phase synchrony were present in most subjects with partial closure and phase synchrony in every patient with a proper glottic closure. A panel of listeners rated voice to be significantly better (P<0.01) after the procedure, and the improvement in acoustical parameters was also statistically significant (P<0.01). There was a good correlation between objective voice analysis and videostroboscopy. Residual glottal gap was the major reason for less than optimal postoperative voice. No signs of hampered mucosal wave were noticed. Videostroboscopy and objective voice analysis suggest that augmentation by autologous fascia does not induce scar or fibrous tissue in the subepithelial space. Slight over-correction should be attempted initially in order to accomplish sufficient augmentation. This might enhance complete glottic closure and improve the outcome.
引用
收藏
页码:177 / 183
页数:7
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