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Effects of Acidity and Stress on Stomach Motility, Assessed by Biomagnetic Technique: Preliminary Results

The human stomach is a J shaped hollowed organ that undergoes a variable luminal volume without significant pressure changes. This organ has two valves: the cardiac localized in the upper part, and the pillory on the lower part of the organ respectively. The main functions of these valves are to storage, carry, triturate and empty the lumen content. However, their activity could be affected for different agents such as chemical stimulus (alcoholic beverages) and psychological stress. In this contribution we show by the first time, the importance of biomagnetic signal technique in order to measure the human stomach peristaltic frequency in healthy subjects who were evaluated in basal conditions, and after to be submitted at the effects of: acidity caused by alcoholic beverages and psychological stress.