Diagnostic value of different investigational techniques of gastroesophageal reflux disease (GERD) related supra-esophageal complications

Aim: to investigate the diagnostic value of different investigational techniques in GERD patients (pts) with respiratory complications. Patients, methods: 50 pts (F/M 37/13) with lower (41/50) or upper (9/50) airway diseases were enrolled. The diagnosis of GERD was based on the result of upper gastrointestinal endoscopy, 2 channel 24h esophageal pH monitoring and esophageal manometry. The presence of respiratory and reflux symptoms was evaluated by means of a questionnaire. Results: Typical reflux symptoms were observed in 42/50 pts. Endoscopy revealed non-erosive forms of GERD in 30 pts while erosive esophagiti…