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Chronic constipation in children
1Department of Pediatrics, University of Iowa, Iowa City.
Insights
Chronic constipation in children, often without a clear organic cause, is frequently linked to anorectal dysfunction. Treatment focusing on stool clearance and regular habits shows significant long-term improvement.
Area of Science:
- Pediatric Gastroenterology
- Colorectal Surgery
Background:
- Chronic constipation is a common pediatric issue, often presenting with encopresis (soiling).
- Idiopathic constipation in children frequently lacks identifiable organic causes.
Purpose of the Study:
- To outline the diagnostic approach to chronic constipation in children.
- To identify physiological abnormalities associated with pediatric constipation.
- To describe effective management strategies and outcomes.
Main Methods:
- Detailed patient history including bowel movement patterns, stool characteristics, and encopresis.
- Physical examination encompassing rectal and neurological assessments.
- Investigation of anorectal physiological abnormalities.
Main Results:
- Most children with chronic constipation have no specific organic cause.
- 95% of children with idiopathic constipation exhibit anorectal physiological abnormalities.
- Abnormalities include impaired rectal sensation, decreased rectal contractility, and pelvic floor dysfunction.
- A management program for stool clearance and regular bowel habits is beneficial.
Conclusions:
- Chronic constipation in children often stems from functional anorectal disorders.
- A structured treatment approach leads to high rates of improvement and cure over time.
- Early diagnosis and intervention are crucial for managing pediatric constipation effectively.
Abstract:
The evaluation of chronic constipation with or without encopresis must begin with a careful history. The intervals between bowel movements and the size and consistency of stools deposited into the toilet should be noted. Encopresis may be manifested as dirtying the underwear. The physical examination should include a rectal and neurological examination. No specific organic cause can be found in the majority of children. One or several anorectal physiological abnormalities have been found by us and others in 95% of children with idiopathic constipation. These abnormalities include impaired rectal and sigmoid sensation and decreased rectal contractility during rectal distention. The external anal sphincter and pelvic floor muscles may be abnormally contracted during straining for defecation, and the child may be unable to defecate a rectal balloon. Most patients will benefit from a program designed to clear stools, to prevent further impaction, and promote regular bowel habits. Fifty percent of patients will be cured after 1 year and 65%-70% after 2 years.
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