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  • Title: The role of esophageal motility in gastroesophageal reflux disease: technique and clinical results of ambulatory 24-hour mano/-pH-metry.
    Author: Bumm R, Hölscher AH.
    Journal: Dysphagia; 1993; 8(2):112-7. PubMed ID: 8467717.
    Abstract:
    The interplay between esophageal motility and gastroesophageal reflux (GER) was investigated with a new ambulatory system of 24-h monitoring of intraesophageal pressures and pH (MP24). The technique allows for simultaneous digital recordings and off-line data analysis. Both computer-aided and visual analyses were used, and algorithms for intercorrelation of mano- and pH-metry were developed. In a group of normal volunteers the physiological response of esophageal motility on GER was defined. In unselected patients suffering from GER disease, the esophageal motility prior to and during GER events were analyzed. In healthy people, most GER episodes occurred spontaneously and were cleared from the distal esophagus by peristaltic contractions. In GER patients, reflux episodes were often preceded by irregular contractions; during GER, esophageal motility was less often peristaltic compared with controls. Therefore, we conclude that MP24 gives relevant information in GER disease which might help in selecting patients for medical or surgical therapy.
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