ArticleEuropean archives of oto-rhino-laryngology : official journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery2022
Acoustic measurements are useful therapeutic indicators of patients with dysphonia-related to reflux.
Article in European archives of oto-rhino-laryngology : official journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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7 authors at 3 institutions in 2 countries.
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Abstract
objectivesThe objective is to study the usefulness of acoustic measurements as therapeutic outcomes for patients with dysphonia related to laryngopharyngeal reflux (LPR).
methodsFrom September 2019 to April 2021, 120 patients with LPR at the hypopharyngeal-esophageal multichannel intraluminal impedance pH-monitoring (HEMII-pH) were prospectively recruited from three University Hospitals. They were divided in two groups regarding the presence of dysphonia. The treatment consisted of a combination of diet, proton-pump inhibitors, magaldrate and alginate for 3-6 months. The following clinical and acoustic evaluations were studied regarding groups at baseline, 3- and 6-month posttreatment: reflux symptom score (RSS), reflux sign assessment (RSA), percent jitter, percent shimmer and noise-to-harmonic ratio (NHR).
resultsA total of 109 patients completed the evaluations, accounting for 49 dysphonic and 60 non-dysphonic individuals. HEMII-pH, gastrointestinal endoscopy, baseline clinical and acoustic features were comparable between groups. RSS and RSA significantly improved from pre- to 3-month posttreatment in both groups. Jitter, Shimmer and NHR significantly improved from pre- to 3-month posttreatment in dysphonic patients, without additional 3- to 6-month posttreatment changes. Acoustic parameters did not change throughout treatment in patients without dysphonia.
conclusionAcoustic measurements may be an interesting indicator of treatment in LPR patients who reported dysphonia. In this group of individuals, the evolution of acoustic parameters was consistent with the evolution of symptoms and findings.
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