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Heliox for inducible laryngeal obstruction (vocal cord dysfunction): A systematic literature review

Research output: Contribution to Journal/MagazineJournal articlepeer-review

<mark>Journal publication date</mark>30/04/2019
<mark>Journal</mark>Laryngoscope Investigative Otolarygnology
Issue number2
Number of pages4
Pages (from-to)255-258
Publication StatusPublished
Early online date8/02/19
<mark>Original language</mark>English


Objectives: To perform a systematic literature review on the use of Heliox with patients with inducible laryngeal obstruction/vocal cord dysfunction to: i) identify current evidence base; and ii) establish the methodological quality of published research. Methods: Articles published up to March 2018 were searched for key words and terms using Cochrane Library, MEDLINE, PubMed, CINAHL, EMBASE and Dynamed. Studies were included if they presented original research into the use of Heliox for vocal cord dysfunction. Results: Only three studies met the inclusion criteria for review. All reported favorable results for the use of Heliox as an adjunctive therapy for vocal cord dysfunction but none had sufficient methodological quality to support their conclusions. Conclusion: Despite review articles recommending the use of Heliox in vocal cord dysfunction, there is a lack of good quality research to support this conclusion. There is a need for further research to investigate the effectiveness of Heliox as an adjunctive therapy for vocal cord dysfunction. Level of Evidence: 4