Related Experiment Videos
Does disorder of gastrointestinal motility affect food intake in the post-surgical patient?
1Department of Gastroenterology and Nutrition, Central Middlesex Hospital, London.
Insights
Postoperative ileus (POI) is predictable, with bowel function returning 24 hours before clinical signs. Early feeding, especially post-pyloric, may improve recovery after surgery.
Area of Science:
- Gastroenterology
- Surgical Recovery
- Clinical Nutrition
Background:
- Postoperative ileus (POI) is a common complication following abdominal surgery.
- Current management often delays nutritional support until clinical signs of bowel function return.
Purpose of the Study:
- To investigate the precise timing of gastrointestinal function recovery after surgery.
- To evaluate the potential benefits of earlier nutritional intervention in managing POI.
Main Methods:
- The study likely involved observing patients post-surgery to track the return of bowel function.
- Analysis of the timing of small intestinal versus overall gastrointestinal tract recovery.
Main Results:
- Actual return of bowel function precedes clinically detectable signs by at least 24 hours.
- Small intestinal function recovers earliest, often within 4-8 hours post-surgery.
- POI is a predictable physiological event.
Conclusions:
- Current feeding practices post-surgery may be conservative.
- Earlier feeding, particularly post-pyloric, could be beneficial within the first 24-48 hours.
- Further research into POI mechanisms may optimize patient management and reduce reliance on expensive parenteral nutrition.
Abstract:
In summary, POI is a predictable event with actual return of bowel function preceding clinically detectable signs of function by at least 24 h. All parts of the gastrointestinal tract are affected, but small-intestinal function returns first, probably as early as 4-8 h after surgery in many cases. The timing of restarting feeding could be earlier than current practice would suggest, and because of the more rapid recovery of small-intestinal function it could be argued that post-pyloric feeding, at least in the first 24-48 h, may be preferable. While a policy of refeeding only when bowel function is clinically detectable is acceptable for many patients, there are certainly some who would benefit from feeding at an earlier stage. Parenteral feeding is expensive and a greater knowledge of the mechanisms underlying POI may lead clinicians to different and perhaps more appropriate methods of management.