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  • Title: Differences in oesophageal bolus transit between patients with and without erosive reflux disease.
    Author: Chen CL, Yi CH, Cook IJ.
    Journal: Dig Liver Dis; 2008 May; 40(5):348-54. PubMed ID: 18291736.
    Abstract:
    BACKGROUND: We determined any difference in oesophageal function between reflux patients with and without erosive esophagitis by the application of concurrent manometry and impedance. METHODS: Twenty patients with erosive esophagitis, 20 patients with non-erosive reflux disease, and 15 controls were included in this study. All subjects underwent studies with a catheter containing four impedance-measuring segments and five solid-state pressure transducers. Each subject received 10 liquid and 10 viscous boluses to be swallowed. RESULTS: Healthy controls had greater distal oesophageal peristaltic amplitude than both patient groups (p < 0.05). Normal oesophageal peristalsis was found more frequently in healthy controls than either of the patient groups (p < 0.05). Patients with erosive esophagitis exhibited a lower percentage of complete bolus transit compared to healthy controls and non-erosive reflux disease patients (both p < 0.05). Patients with erosive esophagitis had a longer total bolus transit time compared to healthy controls and non-erosive reflux disease patients (both p < 0.05). CONCLUSIONS: Erosive esophagitis is characterized by longer oesophageal bolus transit and fewer complete bolus transit than non-erosive reflux disease. The noted differences in oesophageal bolus transit may reflect a continuum of dysfunction secondary to increasing oesophageal mucosal damage.
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