Usefulness of ultrasound in diagnosing constipation in children: a narrative review
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By
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Katarzyna Bąk-Drabik
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Martyna Laskowska
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Katarzyna Głuszko
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Marta Drabik
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Giovanni Maconi
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May 29, 2026
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Clinical Scorecard: The Role of Ultrasound in Pediatric Constipation Diagnosis: A Comprehensive Review
At a Glance
| Category | Detail |
|---|
| Condition | |
| Key Mechanisms | Ultrasound for assessing fecal retention, rectal diameter, colonic filling, and stool consistency. |
| Target Population | |
| Care Setting | |
Key Highlights
- Chronic constipation accounts for nearly one-third of pediatric gastroenterology consultations.
- Functional constipation is the most common cause, with organic causes being rare; exclusion of organic causes is critical.
Guideline-Based Recommendations
Diagnosis
Management
- Ultrasound may be used for patients with alarm features suggestive of organic disorders.
- Routine use of ultrasound is not recommended for diagnosing functional constipation.
Monitoring & Follow-up
- Ultrasound can assist in monitoring fecal retention and colonic transit, particularly in patients with alarm features.
Risks
Patient & Prescribing Data
Children aged 0-18 years with constipation.
Ultrasound serves as an adjunct diagnostic tool, particularly for those with alarm features.
Clinical Best Practices
- Utilize ultrasound for objective assessment of constipation in children.
- Consider perianal ultrasonography for detailed evaluation of anal canal structures.
- Standardization of ultrasound methodology and diagnostic criteria is needed.
- Establish guidelines on the frequency of ultrasound monitoring in pediatric constipation.
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