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. 2022 Apr;33(4):280-285.
doi: 10.5152/tjg.2022.201040.

Analysis of Esophageal Motility and Reflux Characteristics in Patients with Gastroesophageal Reflux Disease With or Without Extraesophageal Symptoms

Guoping Jiang  1 , Yanqun Cong  1 , Feng Zhou  1 , Peifen Zheng  1
Affiliations

Analysis of Esophageal Motility and Reflux Characteristics in Patients with Gastroesophageal Reflux Disease With or Without Extraesophageal Symptoms

Guoping Jiang et al. Turk J Gastroenterol. 2022 Apr.

Abstract

Background: The pathogenesis of extraesophageal symptoms of gastroesophageal reflux disease is complex, and esophageal motility and reflux may be involved in it. In this study, we aimed to compare esophageal motility and reflux characteristics in gastroesopha- geal reflux disease patients with and without extraesophageal symptoms by high-resolution manometry and multichannel intraluminal impedance-pH monitoring.

Methods: We retrospectively studied gastroesophageal reflux disease patients between January 2014 and December 2018. All patients had undergone high-resolution manometry and multichannel intraluminal impedance-pH monitoring. The results were compared and analyzed.

Results: A total of 59 patients were included in this study. Patients were divided into 3 groups according to their main complaint: only typical symptoms (group A, n = 11), both typical and extraesophageal symptoms (group B, n = 33), and only extraesophageal symp- toms (group C, n = 15). Compared with group A, the lower esophageal sphincter basal pressure, integrated residual pressure, and lower esophageal sphincter length were lower, and the proximal reflux percentages of a weak acid and non-acid reflux were higher in group B and group C (P < .017). The positive rate of esophageal motility disorders was lower in group A than in other groups (P < .05). The propor- tion of patients with multiple rapid swallows/single swallow-distal contractile integral ratio greater than 1-was higher in group A than in other groups (P < .05).

Conclusions: Decreased lower esophageal sphincter pressure and lower esophageal sphincter length, increased proximal esophageal reflux of weak acid and non-acid reflux, esophageal motility disorders, and decreased peristaltic reserve are involved in the pathogenesis of extraesophageal symptoms of gastroesophageal reflux disease.

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Figures

Figure 1.
Figure 1.
The DCI ratio of multiple rapid swallows (MRS)/single swallow (SS) in different groups.
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