Listy klinické logopedie 2026, 10(1):4-10

Effectiveness of vocal fold augmentation on voice quality of patients with unilateral vocal fold paralysis

Mgr. Ema Číčelová1, Mgr. Katarína ©álková3, PhDr. ®ofia Korim, Ph.D.1,2, Prof. MUDr. Miroslav Tedla, PhD., MPH1
1 Department of Otorhinolaryngology and Head and Neck Surgery of the Faculty of Medicine, Comenius University and University Hospital Bratislava, Antolská 11, 851 07 Bratislava, Slovak Republic.
2 Department of Communication Disorders, Faculty of Education, Comenius University in Bratislava, Račianska 59, 813 34 Bratislava, Slovak Republic.
3 SCPP Institute of Children's Speech in Bratislava, ®elezničiarska 31, 831 04 Bratislava, Slovak Republic.

Dysphonia is a frequent consequence of unilateral vocal fold paralysis (paresis), characterised by breathy voice quality, vocal fatigue, and short maximum phonation times. Injection laryngoplasty augmentation of the paretic vocal fold is a surgical procedure intended to improve glottal fold closure and alleviate symptoms of dysphonia. This article will present the preoperative and postoperative laryngological examination and voice assessment of patients undergoing vocal fold augmentation. The aim of the study is to evaluate changes in various areas of voice assessment (auditory-perceptual, acoustic, aero­dynamic, and subjective) after vocal fold augmentation. The research sample consists of 30 individuals (15 female, 15 male) with unilateral vocal fold paralysis. Of all four evaluated areas, statistically significant improvements (p<0.05) after augmentation were recorded in nine parameters (G, B, jitter, shimmer, GNE, minimum frequency, maximum phonation times /a:/ and /z:/, and VHI-30). Based on our results, injection laryngoplasty leads to a significant short-term improvement in the voice quality of patients with unilateral vocal fold paralysis. The selected voice parameters are shown to be relevant and sensitive parameters for assessing the effectiveness of phonosurgical treatment. Their inclusion in a standardised protocol for objective assessment of patients with vocal fold paralysis is recommended.

Klíčová slova: unilateral vocal fold paralysis, vocal fold augmentation, voice assessment, laryngological assessment, dysphonia

Vloľeno: 14. září 2025; Revidováno: 12. únor 2026; Přijato: 4. březen 2026; Zveřejněno: 14. červen 2026  Zobrazit citaci

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Číčelová E, ©álková K, Korim ®, Tedla M. Effectiveness of vocal fold augmentation on voice quality of patients with unilateral vocal fold paralysis. Listy klinické logopedie. 2026;10(1):4-10.
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