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JPEN J Parenter Enteral Nutr. 2009 Sep-Oct;33(5):513-9. doi: 10.1177/0148607108327045. Epub 2009 Jun 1.

Inhibition of gastroesophageal reflux by semi-solid nutrients in patients with percutaneous endoscopic gastrostomy.

Author information

1
Department of Internal Medicine, Nishimino Kosei Hospital, and Department of Gastroenterology, Graduate School of Medicine, Gifu University, Oshikoshi 986, Yoro-cho, Yoro-gun, Gifu 503-1394, Japan. wakky@nishimino.gfkosei.or.jp

Abstract

BACKGROUND:

Aspiration is one of the major complications after percutaneous endoscopic gastrostomy (PEG). The administration of semi-solid nutrients by means of gastrostomy tube has recently been reported to be effective in preventing aspiration pneumonia. The effects of semi-solid nutrients on gastroesophageal reflux, intragastric distribution, and gastric emptying were evaluated.

METHODS:

Semi-solid nutrients were prepared by liquid nutrients mixed with agar at the concentration of 0.5%. The distribution of the administered radiolabeled liquid and semi-solid nutrients was monitored by a scintillation camera for 15 post-PEG patients. The percentage of esophageal reflux, the distribution of the proximal and distal stomach, and the gastric emptying time were evaluated.

RESULTS:

The percentage of gastroesophageal reflux was significantly decreased in semi-solid nutrients (0.82 +/- 1.27%) compared with liquid nutrients (3.75 +/- 4.25%), whereas the gastric emptying time was not different. The distribution of semi-solid nutrients was not different from liquid nutrients in the early phase, whereas higher retention of liquid nutrients in the proximal stomach was observed in the late phase.

CONCLUSIONS:

Gastroesophageal reflux was significantly inhibited by semi-solid nutrients. One of the mechanisms of the inhibition is considered to be an improvement in the transition from the proximal to distal stomach in semi-solid nutrients.

PMID:
19487579
DOI:
10.1177/0148607108327045
[Indexed for MEDLINE]

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