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Updated: Feb 21, 2026

Simultaneous Laryngopharyngeal and Conventional Esophageal pH Monitoring
Published on: December 14, 2020
Gastro-oesophageal reflux disease and respiratory disease
Mei-Yun Ke1, Wen-Bing Xu1, X U Zhong1
1Departments of Gastroenterology, Chinese Academy of Medical Science, Beijing, ChinaPulmonary Disease, Peking Union Medical College Hospital, Chinese Academy of Medical Science, Beijing, China.
Abstract:
An epidemiological survey showed that respiratory symptoms with gastro-oesophageal reflux (GER) were twice as high as those without GER symptoms. In 46 cases of unknown chronic cough or asthma, 67% had positive oesophageal pH monitoring. Of 34 patients with snoring and reflux symptoms, 16 (47.1%) were confirmed as positive for obstructive sleep apnoea (OSA) and GER. Anti-reflux therapy significantly improved both GER and OSA.
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