Sensibility of the rectum to distension and the anorectal distension reflex in ulcerative colitis
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Summary
This summary is machine-generated.Patients with colitis tolerate less rectal balloon volume, especially those with bleeding. Urgency and incontinence are common with spontaneous bleeding, indicating altered rectal capacity in colitis patients.
Area Of Science
- Gastroenterology
- Colorectal Research
- Clinical Physiology
Background
- Inflammatory bowel disease, particularly ulcerative colitis, affects rectal function.
- Understanding rectal sensory perception and capacity is crucial for managing colitis symptoms.
Purpose Of The Study
- To investigate rectal sensory thresholds and tolerance in patients with colitis.
- To correlate rectal volume tolerance with disease severity and symptoms like urgency and incontinence.
Main Methods
- Rectal balloon distension was used to measure maximum tolerable volume in colitis patients and healthy controls.
- Correlation analysis was performed between rectal volume tolerance, mucosal bleeding, rectal size, and reported symptoms.
Main Results
- Colitis patients tolerated significantly smaller rectal balloon volumes than controls (P < 0.001).
- Patients with spontaneous mucosal bleeding tolerated even smaller volumes (P < 0.001) and frequently experienced urgency with incontinence.
- Reduced rectal volume tolerance was associated with smaller rectal size in inactive colitis.
Conclusions
- Rectal sensory perception is impaired in colitis, with reduced volume tolerance being a key finding.
- Spontaneous mucosal bleeding indicates a more severe impairment, linked to urgency and incontinence.
- Rectal size may influence volume tolerance in patients with inactive colitis.

