Scandinavian journal of gastroenterology · 2005
Postprandial water intake inhibits gastric antral motility with increase of cholecystokinin in humans.
Сравнительное исследованиеСтатьяНазвание и аннотация: Перевод пока не подготовлен
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Kusano Motoyasu, Minashi Keiko, Maeda Masaki, Shimoyama Yasuyuki, Kuribayashi Shikou, Higuchi Tatsuya, Sugimoto Sayaka, Kawamura Osamu, Mori Masatomo
Аннотация
OBJECTIVE: The effects of postprandial water intake on the gastrointestinal tract have not been systematically investigated in humans.
MATERIAL AND METHODS: In 8 healthy volunteers, the gastric antral pressure was measured with a strain gauge transducer, while the esophageal and lower esophageal sphincter pressures were measured with an infused catheter with a Dent sleeve. The esophageal pH at 5 cm above the lower sphincter was measured with a microglass electrode. A standard test meal (560 kcal) was eaten and 500 ml water was ingested 1 h later. The plasma cholecystokinin level was assessed at 4-min intervals. As a control, the same study was done on another day with sham water intake.
RESULTS: At 4 min after water intake, there was a significant decrease in gastric antral motility and a significant increase in the plasma cholecystokinin level. Water intake also significantly increased the occurrence of gastroesophageal reflux.
CONCLUSIONS: The rapid increase in cholecystokinin after water intake may be initiated by a feedback mechanism related to inflow of fatty chyme into the duodenum that inhibits gastric antral activity.
MATERIAL AND METHODS: In 8 healthy volunteers, the gastric antral pressure was measured with a strain gauge transducer, while the esophageal and lower esophageal sphincter pressures were measured with an infused catheter with a Dent sleeve. The esophageal pH at 5 cm above the lower sphincter was measured with a microglass electrode. A standard test meal (560 kcal) was eaten and 500 ml water was ingested 1 h later. The plasma cholecystokinin level was assessed at 4-min intervals. As a control, the same study was done on another day with sham water intake.
RESULTS: At 4 min after water intake, there was a significant decrease in gastric antral motility and a significant increase in the plasma cholecystokinin level. Water intake also significantly increased the occurrence of gastroesophageal reflux.
CONCLUSIONS: The rapid increase in cholecystokinin after water intake may be initiated by a feedback mechanism related to inflow of fatty chyme into the duodenum that inhibits gastric antral activity.