CHARACTERISTICS OF UPPER ESOPHAGEAL SPHINCTER IN PATIENTS WITH LARYNGOPHARYNGEAL REFLUX SYMPTOMS AND TYPICAL GASTROESPHAGEAL REFLUX SYMPTOMS

Đào Việt Hằng, Trần Thị Thu Trang, Lưu Thị Minh Huế

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Abstract

A prospective study was conducted to describe the upper esophageal sphincter’s characteristics on high-resolution manometry (HRM) among patients having symptoms suspected laryngopharyngeal reflux (LPR) and those having typical symptoms of gastroesophageal reflux disease (GERD). Patients were recruited at Hoang Long Clinic between June 2020 and September 2020. The prevalence of patients in each group (LPR, typical GERD, and those with mixed symptoms) were 18.0%, 44.2%, and 37.8%, respectively. The medians of resting and residual UES pressure were 38.3mmHg and 14.3mmHg, respectively. The prevalence of patients having low resting UES pressure and abnormal residual UES pressure were 35.9% and 64.1%, respectively. Ineffective esophageal motility was the most common motor dysfunction in the three groups.

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References

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