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Updated: May 28, 2025
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Fabrication and Implantation of Miniature Dual-element Strain Gages for Measuring In Vivo Gastrointestinal Contractions in Rodents.
Published on: September 18, 2014
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Gastric emptying after distal gastrectomy from physiologic viewpoint: accelerated or delayed?
Chikashi Shibata1, Kentaro Sawada1, Atsushi Mitamura1
1Department of Gastroenterolgic Surgery, Tohoku Medical and Pharmaceutical University, 1-12-1 Fukumuro, Miyaginoku, Sendai, Miyagi 983-8512, Japan.
Summary
Gastric emptying after distal gastrectomy is faster for liquids and solids initially. However, solid food emptying is delayed over 60 minutes post-meal, contradicting typical assumptions.
Area of Science:
- Gastroenterology
- Surgical Oncology
- Digestive Physiology
Background:
- Distal gastrectomy is a common surgical procedure for gastric cancer.
- Post-operative gastric emptying is often presumed to be accelerated.
- Clinical observations of food residue suggest delayed emptying, creating a discrepancy.
Purpose of the Study:
- To investigate the distinct gastric emptying patterns of liquids and solids after distal gastrectomy.
- To reconcile the conflicting observations regarding gastric emptying speed post-surgery.
Main Methods:
- Systematic review of studies evaluating gastric emptying using scintigraphy in humans.
- Analysis of physiological changes affecting gastric emptying after distal gastrectomy.
Main Results:
- Gastric emptying of liquids is consistently accelerated post-distal gastrectomy.
- Initial emptying of solids is also accelerated, but significant retention occurs after 60 minutes.
- Delayed solid gastric emptying correlates with observed food residue in the gastric remnant.
Conclusions:
- Gastric emptying post-distal gastrectomy shows a dual pattern: accelerated for liquids and initial solids, but delayed for solids later on.
- Delayed solid emptying is a key factor in gastric remnant food retention.
- Current understanding of accelerated gastric emptying needs refinement to include delayed solid emptying.
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