The effects of endoscope placement in the hypopharynx on swallowing-related measures in healthy adults.
FEES
Mastication
Saliva
Swallowing
Journal
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
ISSN: 1434-4726
Titre abrégé: Eur Arch Otorhinolaryngol
Pays: Germany
ID NLM: 9002937
Informations de publication
Date de publication:
Nov 2023
Nov 2023
Historique:
received:
20
04
2023
accepted:
03
07
2023
medline:
10
10
2023
pubmed:
7
7
2023
entrez:
6
7
2023
Statut:
ppublish
Résumé
The purpose of this study was to determine whether transnasal passage of a flexible endoscope results in changes in salivary flow rate (SFR), spontaneous swallow frequency (SSF), and masticatory efficiency (ME) in healthy adults. Data were collected from 15 healthy adults, 20-63 years of age. SFR and SSF were measured at baseline, after endoscope insertion, and after endoscope removal. The Test of Masticating and Swallowing Solids was administered at baseline and while the endoscope was in the hypopharynx. A repeated measures ANOVA was used to determine the effect of endoscope insertion on SFR and SSF. A paired samples t-test was used to determine the effect of endoscope insertion on total mastication time and number of masticatory cycles required with a cracker bolus. Statistical significance was set at α = 0.05. SFR was found to be significantly increased during endoscope placement in the hypopharynx (M = 0.471 g/min, SD = 0.175, p = 0.002) as well as following endoscope removal (M = 0.481 g/min, SD = 0.231, p = 0.004), as compared to baseline (M = 0.310 g/min, SD = 0.130). Total mastication time and number of masticatory cycles required with a cracker bolus were significantly decreased when the endoscope was present in the hypopharynx, as compared to baseline t(14) = 3.054, p = 0.009; t(14) = 3.250, p = 0.006, respectively. Visualization of swallowing during FEES is an important method for objectively evaluating several anatomical and functional parameters of the pharynx and larynx. Insertion of the endoscope into the hypopharynx during FEES may stimulate salivary secretion and improve ME, which could influence interpretation of FEES and resulting clinical recommendations.
Identifiants
pubmed: 37414941
doi: 10.1007/s00405-023-08114-6
pii: 10.1007/s00405-023-08114-6
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
4979-4985Informations de copyright
© 2023. The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature.
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