[Analyses of the characteristics of esophageal motility in patients with pharyngeal paraesthesia who visit the Department of gastroenterology].

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[Analyses of the characteristics of esophageal motility in patients with pharyngeal paraesthesia who visit the Department of gastroenterology].

Zhonghua Er Bi Yan Hou Tou Jing Wai Ke Za Zhi. 2015 Jul;50(7):569-72

Authors: Wang Z, Chen Y, Guo T

Abstract
OBJECTIVE: To investigate the influence of the local sensory abnormality in throat while the change of motility in the upper esophageal sphincter (UES) and lower esophageal sphincter (LES), as well as the change of esophageal body in pharyngeal paraesthesia.
METHODS: From January 2014 to January 2015 there were sixty-four patients who had pharyngeal susceptible syndrome (PSS) but without confirmed organic disease were enrolled as the PSS group, forty healthy volunteers as the control group. High resolution manometry (HRM) was utilized to distinguish esophageal motility patterns of PSS, including the muscular tension of LES and UES, the integrity, adaptability, amplitude, speed and duration of esophageal peristalsis at 10 swallows.
RESULTS: The resting LES and UES pressures and the distal contractile integral (DCI) of esophagus in PSS group were lower than that in control group (P < 0.05). The esophageal peristalsis was decelerated and shortened in duration, and amplitude of contraction notably lower in PSS group compared with its counterpart (P < 0.05). The integrity of esophageal peristalsis was impaired in PSS with remarkable changes in motility patterns, involving ratio of major and minor interrupts, and synchronous contraction rate (P < 0.05). As for the time course from relaxation to the lowest pressure point of UES and time for restoration, no definite difference was noticed between the two groups (P > 0.05). The average peak pressure was similar in two groups (P > 0.05).
CONCLUSIONS: Muscle tension around the UES has no obvious change when pharyngeal paraesthesia occurred, but the reduction of esophageal motor function, clearance ability, anti-reflux gastroesophageal junction, causing the abnormal reflux which hurt the pharyngeal surface mucosa maybe one of the most important reasons leading to pharyngeal paresthesia.

PMID: 26695980 [PubMed - indexed for MEDLINE]

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