The purpose of the study was to evaluate upper abdominal symptoms in laryngopharyngeal reflux (LPR) patients and changes in both upper abdominal and LPR symptoms before and after acid-suppression therapy.
Evaluation of upper abdominal symptoms using the Frequency Scale for the Symptoms of Gastroesophageal Reflux Disease in patients with laryngopharyngeal reflux symptoms.
Department of Otolaryngology-Head and Neck Surgery, Hokkaido University Graduate School of Medicine, Kita 15, Nishi 7, Kita-ku, Sapporo 060-8638, Japan.