gastric accommodation
The stomach's ability to expand and adapt to food volume, altered by bariatric procedures.
Full Definition
Gastric accommodation refers to the physiological process by which the stomach relaxes and expands to accommodate incoming food without significant increase in intragastric pressure. This mechanism is mediated by vagal pathways and involves both proximal stomach relaxation and antral accommodation. Bariatric surgeries, particularly those involving vagal nerve disruption or gastric resection, significantly alter normal gastric accommodation patterns. Understanding these changes is crucial for predicting post-operative eating capacity, satiety mechanisms, and potential complications such as early satiety or food intolerance.
Usage
Usage note: Important concept for understanding post-operative eating behaviors.
In Context
- "Impaired gastric accommodation following sleeve gastrectomy contributes to early satiety." — Physiological research paper
- "The patient's poor food tolerance may be related to altered gastric accommodation post-surgery." — Clinical evaluation note