ABSTRACT
Purpose
This systematic review aims to identify instruments used to evaluate treatment outcomes
for people with spasmodic dysphonia.
Methods
Electronic database (PubMed, Cochrane Library, Embase, and CINAHL) searches and hand-searching
identified studies that evaluated treatment approaches for spasmodic dysphonia which
included pre and post outcome data.
Results
A total of 4714 articles were retrieved from searching databases; 1165 were duplicates.
Titles and abstracts of 3549 were screened, with 171 being selected for full-text
review. During full-text review, 101 articles were deemed suitable for inclusion.
An additional 24 articles were identified as suitable for inclusion through hand-searching
of reference lists. Data was extracted from 125 studies, identifying 220 outcome measures.
As per the World Health Organization's International Classification of Functioning
(ICF), the majority measured body functions (n = 212, 96%). Outcomes that explored
communication and participation in everyday life and attitudes towards communication
(ie, activity and participation domains) were infrequent (n = 8; 4%). Quality of life,
a paradigm outside of the scope of the ICF, was also captured by four outcome measures.
No instruments evaluating communication partners’ perspectives were identified.
Conclusions
Currently there is no unified approach to the measurement of outcomes in SD treatment
research. Development and implementation of a core outcome set is recommended to facilitate
improved understanding of the efficacy of current and new treatment options.
Key Words
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Article info
Publication history
Published online: May 03, 2022
Accepted:
October 3,
2021
Publication stage
In Press Corrected ProofFootnotes
Editor's Note: This paper is a revised version of an article on this topic that was retracted (https://doi.org/10.1016/j.jvoice.2018.03.011). Amendments have been made throughout the article, however the results and overall message remain unchanged from the original publication.
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Crown Copyright © 2021 Published by Elsevier Inc. on behalf of The Voice Foundation. All rights reserved.
