Abstract
The goal of this study was to assess whether mucosal sensitivity is related to different combinations of symptoms and lesions in laryngopharyngeal reflux (LPR) and erosive esophagitis and to determine whether reflux pattern is important in the development of the symptoms and lesions of gastroesophageal reflux disease (GERD) or LPR. We conducted a prospective study of 55 unselected new patients: 27 erosive esophagitis patients and 28 LPR patients. The erosive esophagitis group had a significantly higher rate of Bernstein test positivity than the LPR group. The proportions of patients with pathologic acid reflux at the proximal and distal probe were similar in the erosive esophagitis group and in the LPR group. These results were inconsistent with the endoscopic findings. Both retrosternal heartburn and regurgitation symptoms were higher in erosive esophagitis patients. The paucity of classical GERD symptoms and lesions in LPR patients could be attributable to mucosal insensitivity but not to reflux pattern.
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