Short-Term Effects of Semi-Occluded Vocal Tract Therapy on the Phonation of Children With Vocal Fold Nodules: A Randomized Controlled Trial.

IF 2.2 2区医学 Q1 AUDIOLOGY & SPEECH-LANGUAGE PATHOLOGY

Journal of Speech Language and Hearing Research Pub Date : 2025-02-04 Epub Date: 2025-01-06 DOI:10.1044/2024_JSLHR-24-00243

Anke Adriaansen, Iris Meerschman, Kristiane Van Lierde, Sofie Claeys, Estella P-M Ma, Imke Kissel, Tine Papeleu, Evelien D'haeseleer

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Abstract

Purpose: The aim was to determine and compare the short-term effects of two intensive semi-occluded vocal tract (SOVT) programs, "straw phonation" (SP) and "resonant voice therapy" (RVT), on the phonation of children with vocal fold nodules.

Method: A pretest-posttest randomized controlled study design was used. Thirty children aged 6-12 years were randomly assigned to the SP group (n = 11), RVT group (n = 11), or control group receiving indirect treatment (n = 8) for their voice problems. All participants received 11 hr of group voice therapy over four consecutive days. A multidimensional voice assessment consisting of both objective (dysphonia severity index and acoustic voice quality index) and subjective (pediatric voice handicap index and perceptual rating of overall severity) measures was performed pre- and posttherapy. Voice therapy effectiveness was evaluated using group-level analyses (linear mixed models) and individual-level analyses to investigate what proportion of participants changed to a clinically relevant degree.

Results: Group-level analyses found no significant Time × Group interactions, indicating that the evolution over time did not differ among the three groups. Within-group effects of time showed a significant and equal improvement in dysphonia severity index in the SP and RVT groups and a significant improvement in perceptual rating of overall severity in the SP group. For dysphonia severity index, individual-level analyses showed that 36% and 45% of participants improved to a clinically relevant degree in the SP and RVT groups, respectively. For acoustic voice quality index, 38% improved to a clinically relevant degree in the SP group.

Conclusions: Results suggest that short-term intensive SOVT programs may have a positive effect on voice quality and vocal capacities of children with vocal fold nodules. Participants seem to benefit more from a SP program than a RVT program.

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来源期刊

Journal of Speech Language and Hearing Research AUDIOLOGY & SPEECH-LANGUAGE PATHOLOGY-REHABILITATION

CiteScore

4.10

自引率

19.20%

发文量

538

审稿时长

4-8 weeks

期刊介绍： Mission: JSLHR publishes peer-reviewed research and other scholarly articles on the normal and disordered processes in speech, language, hearing, and related areas such as cognition, oral-motor function, and swallowing. The journal is an international outlet for both basic research on communication processes and clinical research pertaining to screening, diagnosis, and management of communication disorders as well as the etiologies and characteristics of these disorders. JSLHR seeks to advance evidence-based practice by disseminating the results of new studies as well as providing a forum for critical reviews and meta-analyses of previously published work. Scope: The broad field of communication sciences and disorders, including speech production and perception; anatomy and physiology of speech and voice; genetics, biomechanics, and other basic sciences pertaining to human communication; mastication and swallowing; speech disorders; voice disorders; development of speech, language, or hearing in children; normal language processes; language disorders; disorders of hearing and balance; psychoacoustics; and anatomy and physiology of hearing.