Abstract
There is much evidence to suggest that peristaltic function is defective in esophagitis patients and that this defect may contribute to prolonged acid exposure, promoting esophageal mucosal injury. Abnormal peristalsis may also be related to the generation of reflux symptoms. We evaluated primary peristalsis and its relationship to symptoms under basal conditions and during saline and HCl perfusion in 15 symptomatic reflux patients with gross esophagitis and 15 healthy controls. In the basal state, LES pressure (15.3 vs 25.1 mm Hg) and peristaltic amplitude (74.2 vs 104.8 mm Hg) were significantly lower in subjects with gastroesophageal reflux disease (GERD) (P<0.05). During HCl perfusion, peristaltic amplitude and duration increased slightly, and peristaltic velocity slightly decreased similarly in both groups. There was no difference in the incidence of nonpropagated, segmental, or swallow-initiated simultaneous contractions, or change in resting intraesophageal pressure during HCl perfusion in control and GERD groups. This study identified abnormal contractile amplitude as a specific defect in the primary peristaltic wave of esophagitis patients but does not support a role for acid-induced motility changes in the generation of symptoms in GERD.
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This study was supported in part by a grant from the Mary E. Peters and Robert W. Polchow Foundation and the Alton Ochsner Medical Foundation.
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Burns, T.W., Venturatos, S.G. Esophageal motor function and response to acid perfusion in patients with symptomatic reflux esophagitis. Digest Dis Sci 30, 529–535 (1985). https://doi.org/10.1007/BF01320258
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DOI: https://doi.org/10.1007/BF01320258