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Walking and chewing reduce postprandial acid reflux.

B Avidan¹, A Sonnenberg, T G Schnell

¹Department of Veterans Affairs Medical Center, Albuquerque, New Mexico 87108, USA.

Alimentary Pharmacology & Therapeutics

|January 10, 2001

Summary

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Chewing gum after meals significantly reduces postprandial oesophageal acid exposure in individuals with gastro-oesophageal reflux disease. This simple intervention offers a beneficial effect on reflux symptoms.

Area of Science:

Gastroenterology
Digestive Health
Clinical Physiology

Background:

Gastro-oesophageal reflux symptoms often exacerbate after meals.
Antacid consumption is common following dietary indiscretions.
Understanding postprandial reflux triggers is crucial for symptom management.

Purpose of the Study:

To evaluate the impact of post-meal walking and gum chewing on meal-induced gastro-oesophageal reflux.
To compare the efficacy of these interventions in patients with gastro-oesophageal reflux disease (GERD) and healthy controls.

Main Methods:

A study involving 12 GERD patients and 24 healthy controls.
Utilized 5-hour pH-metry recordings over three separate days.
Assessed postprandial oesophageal pH after a standard breakfast under three conditions: sitting, walking, and gum chewing.

Related Experiment Videos

Main Results:

Meal intake increased gastro-oesophageal reflux in both GERD patients and controls, more so in GERD patients.
One hour of gum chewing post-meal reduced acid contact time in both groups, with greater effect in GERD patients.
The beneficial effect of gum chewing persisted for up to 3 hours; walking showed only a mild, short-lived benefit in GERD patients.

Conclusions:

Chewing gum after a meal is an effective strategy to decrease postprandial oesophageal acid exposure.
Gum chewing demonstrates a more significant and sustained benefit in reducing reflux compared to walking.