Home Bratislava Medical Journal 2019 Bratislava Medical Journal Vol.120, No.11, p.864–866, 2019

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Published Monthly, in English
Founded: 1919
ISSN 0006-9248
(E)ISSN 1336-0345

Impact factor 1.564


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Bratislava Medical Journal Vol.120, No.11, p.864–866, 2019

Title: Voice quality after thyroplasty type I using a silicone block
Author: I. Sebova, A. Ziethe, M. Doellinger, U. Eysholdt

Abstract: AIM: The aim of the work was to evaluate the voice quality of 10 adult patients after thyroplasty type I using a silicone block. Preoperatively patients suffered from unilateral vocal fold paralysis.
MATERIAL AND METHODS: We evaluated selected preoperative and postoperative patient findings (RBH according to Wendler classification, videolaryngostroboscopy and maximum phonation time MPT). The evaluation was performed by a phoniatrician and clinical speech therapist, using patient medical records and the Lingwaves and Glottis Analysis Tools (GAT) programs.
RESULTS: Preoperatively we identified R1B1H1 – R3B3H3, postoperatively R0B0H0 – R3B3H2. In six cases the paralysed vocal cord was preoperatively in a paramedian position, twice in intermediate position and twice in a lateral position. In the case of 6 patients presbyphonic changes were present. Motility of the healthy vocal cord was within the norm. Postoperatively, the paretic vocal cord was medialised. We assessed the MPT value: preoperatively 3‒10 seconds, postoperatively 9‒17 seconds. Postoperatively we measured jitter (%), shimmer (%) and closing quotient values. In comparison with healthy subjects (Inwald et al. 2011), jitter and shimmer values were higher and closing quotient values after thyroplasty type I close to normal values (Tab.1).
CONCLUSIONS: The postoperative voice quality was significantly better in comparison with the preoperative state; though, it never achieved the parameters of a normal voice. We confirmed the significant contribution of TPL I for the patients´ quality of life through partial rehabilitation of their voices.

Keywords: thyroplasty type I, unilateral vocal fold paralysis, voice quality, acoustic analysis, aerodynamic analysis
Published online: 20-Nov-2019
Year: 2019, Volume: 120, Issue: 11 Page From: 864, Page To: 866

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