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Motility changes associated with large bowel obstruction and its surgical relief
Annals of the Royal College of Surgeons of England
|September 1, 1984
Summary
This study monitored intestinal motility in Rhesus monkeys during colon obstruction. Findings show altered motility patterns and faster recovery after surgery compared to controls.
Area of Science:
- Gastroenterology
- Surgical Research
- Animal Models
Background:
- Intestinal motility is crucial for digestive function.
- Understanding motility changes during bowel obstruction is vital for clinical management.
- Rhesus monkeys serve as a relevant model for human gastrointestinal physiology.
Purpose of the Study:
- To investigate changes in intestinal motility during induced colon obstruction in Rhesus monkeys.
- To characterize the motility patterns proximal and distal to the obstruction.
- To evaluate the recovery of intestinal motility after surgical intervention for obstruction.
Main Methods:
- Strain gauges and electrodes were used to record intestinal motility in Rhesus monkeys.
- A device was surgically implanted to create progressive left colon obstruction.
- Motility recordings were analyzed during obstruction and after surgical resection and anastomosis.
Main Results:
- Colon obstruction led to decreased motility in the terminal ileum and right colon, with increased contractions proximal to the obstruction.
- Distention wave forms increased in the colon proximal to the obstruction.
- Postoperative ileus resolved within 48 hours, with significantly faster motility return compared to control laparotomy.
Conclusions:
- Colon obstruction induces distinct changes in intestinal motility patterns.
- Surgical intervention for colon obstruction allows for rapid recovery of intestinal motility.
- This study provides insights into the physiological response to bowel obstruction and surgical recovery.