Canadian Journal of Gastroenterology and Hepatology

Canadian Journal of Gastroenterology and Hepatology / 1987 / Article

Clinical Gastroenterology | Open Access

Volume 1 |Article ID 851590 |

IJ Cook, SM Collins, "Influence of Acute Mental Stress on the Frequency and Duration of Gastroesophageal Reflux in Normal Volunteers", Canadian Journal of Gastroenterology and Hepatology, vol. 1, Article ID 851590, 4 pages, 1987.

Influence of Acute Mental Stress on the Frequency and Duration of Gastroesophageal Reflux in Normal Volunteers

Received26 May 1987
Accepted26 Jun 1987


Six fasted healthy male volunteers (mean age 21.7 years) were studied. A pH probe was inserted with the tip 5cm proximal to the gastroesophageal junction and recording begun 15 mins after completion of a standard meal. pH was recorded by computerized data logger which sampled every 6s. Subjects were stressed intermittently by a dichotic Listening task in which they attempted to track recorded word Usts heard simultaneously in different ears. Mean frequency and duration of reflux episodes was determined from two 30-min stress and control periods. Alterations in heart rate, systolic and diastolic blood pressure confirmed the effectiveness of the stressor. Mean ( ± SEM) duration of reflux per 30-min stress period ( l . l ±0.53 mins) was not significantly different to mean duration per 30-min control period (l.5 ±0.53 mins). The mean numberof reflux episodes per 30-min stress period (2.3 ± 1.1) did not differ significantly from the mean number of episodes per 30-min control period (2.8± 1.1). T herefore, in normal volunteers acute predictable emotio nal stress does not influence the frequency or duration of postprandial gastroesophageal reflux.

Copyright © 1987 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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