Roles of swallowing and belching in different phenotypes of gastroesophageal reflux disease.
acid exposure time
belching
esophagus
gastroesophageal reflux disease
lower esophageal sphincter pressure
swallowing
Journal
Neurogastroenterology and motility
ISSN: 1365-2982
Titre abrégé: Neurogastroenterol Motil
Pays: England
ID NLM: 9432572
Informations de publication
Date de publication:
09 Nov 2023
09 Nov 2023
Historique:
revised:
14
10
2023
received:
18
07
2023
accepted:
24
10
2023
medline:
9
11
2023
pubmed:
9
11
2023
entrez:
9
11
2023
Statut:
aheadofprint
Résumé
The contributions of swallowing and belching to specific gastroesophageal reflux disease (GERD) phenotypes are unclear. This study retrospectively analyzed esophageal pH/impedance studies, comparing reflux events preceded by gastric belching (GB), supragastric belching (SGB), air swallowing, and liquid/solid swallowing based on reflux position, lower esophageal sphincter (LES) pressure, and acid exposure time (AET). 20 GERD patients and 10 controls were studied. Upright GERD patients and controls had a higher proportion of reflux events with a preceding swallow or belch (0.64, 0.64) than the supine group (0.38, p = 0.043). The upright group and controls trended toward a higher proportion of reflux events preceded by overall swallowing (0.61, 0.50) and air swallowing (0.55, 0.48) than the supine group (0.32, 0.31 p = 0.064, p = 0.11), but the three groups had similar rates of liquid/solid swallowing (0.032, 0.024, 0.017, p = 0.69). LES pressure did not correlate with reflux events preceded by swallowing (R Swallowing more than belching is a dominant mechanism for reflux irrespective of GERD position, LES pressure, and AET.
Sections du résumé
BACKGROUND
BACKGROUND
The contributions of swallowing and belching to specific gastroesophageal reflux disease (GERD) phenotypes are unclear.
METHODS
METHODS
This study retrospectively analyzed esophageal pH/impedance studies, comparing reflux events preceded by gastric belching (GB), supragastric belching (SGB), air swallowing, and liquid/solid swallowing based on reflux position, lower esophageal sphincter (LES) pressure, and acid exposure time (AET).
KEY RESULTS
RESULTS
20 GERD patients and 10 controls were studied. Upright GERD patients and controls had a higher proportion of reflux events with a preceding swallow or belch (0.64, 0.64) than the supine group (0.38, p = 0.043). The upright group and controls trended toward a higher proportion of reflux events preceded by overall swallowing (0.61, 0.50) and air swallowing (0.55, 0.48) than the supine group (0.32, 0.31 p = 0.064, p = 0.11), but the three groups had similar rates of liquid/solid swallowing (0.032, 0.024, 0.017, p = 0.69). LES pressure did not correlate with reflux events preceded by swallowing (R
CONCLUSIONS AND INFERENCES
CONCLUSIONS
Swallowing more than belching is a dominant mechanism for reflux irrespective of GERD position, LES pressure, and AET.
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
e14703Informations de copyright
© 2023 John Wiley & Sons Ltd.
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