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Systematic review and meta-analysis of laryngeal reinnervation techniques in adults with unilateral and bilateral vocal fold palsies

Published online by Cambridge University Press:  20 November 2023

Anjola Onifade Open the ORCID record for Anjola Onifade [Opens in a new window] ,
Elizabeth Vincent  and
Neil Tolley
Anjola Onifade*
Affiliation:
Imperial College London, London, UK
Elizabeth Vincent
Affiliation:
University Hospitals Sussex, Brighton, UK
Neil Tolley
Affiliation:
Imperial Healthcare NHS Trust, London, UK
*
Corresponding author: Anjola Onifade; Email: anjola.onifade@nhs.net
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Abstract

Objective

To evaluate the outcomes of reinnervation techniques for the treatment of adult unilateral vocal fold paralysis and bilateral vocal fold paralysis.

Methods

A literature review was conducted in the Embase and Medline databases in English, with no limitations on the publication date. The outcome parameters of interest included visual, subjective perceptual, acoustic, aerodynamic analysis and electromyography. A meta-analysis with a random-effects model and inverse variance was calculated.

Results

The systematic Preferred Reporting Items for Systematic Reviews and Meta-Analyses approach resulted in 27 studies, totalling 803 patients (747 unilateral cases and 56 bilateral cases). Thyroid cancer and/or surgery had caused unilateral vocal fold paralysis in 74.8 per cent of cases and bilateral vocal fold paralysis in 69.6 per cent of cases. Statistically significant improvements in patients were observed for voice, deglutition and decannulation (bilateral vocal fold paralysis). Meta-analysis of 10 reinnervation techniques was calculated for the maximum phonation time of 184 patients.

Conclusion

Reinnervation was shown to improve voice, swallowing and decannulation, but studies lacked control groups, limiting generalisability. Larger studies with controls are needed.

Keywords

Humansadultelectromyographydeglutitionvocal cord paralysisthyroid neoplasmsphonationacoustics

Information

Type
Main Article
Information
The Journal of Laryngology & Otology , Volume 138 , Issue 7 , July 2024 , pp. 732 - 746
Copyright
Copyright © The Author(s), 2023. Published by Cambridge University Press on behalf of J.L.O. (1984) LIMITED

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Footnotes

Anjola Onifade takes responsibility for the integrity of the content of the paper

Presented at the World Congress on Thyroid Cancer 2023, 15–17 June 2023, London, UK.

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