Ileal manometry in children following ileostomies and pull-through operations
M R Sood1, J Cocjin, C Di Lorenzo
1Department of Paediatric Gastroenterology, Booth Hall Children's Hospital, Manchester, UK. manursood@yahoo.com
Insights
This study analyzed ileal contractions in children using manometry, identifying four key patterns: random intermittent, clustered, prolonged propagated, and tonic contractions. These findings highlight distinct ileal motility characteristics in pediatric patients.
Area of Science:
- Pediatric Gastroenterology
- Gastrointestinal Motility Research
- Surgical Gastroenterology
Background:
- Understanding small bowel motility is crucial for diagnosing and managing pediatric gastrointestinal disorders.
- Ileal motility patterns in children are not well-characterized, necessitating further investigation.
Purpose of the Study:
- To analyze and describe the characteristic patterns of ileal contractions in pediatric patients using manometry.
- To differentiate ileal motility from proximal small bowel motility in children.
Main Methods:
- Retrospective chart review of 23 children undergoing ileal manometry via ileostomies or endorectal pull-through.
- Catheter placement with 4-8 recording sites (5 or 15 cm apart) to record phasic and tonic contractions.
- Analysis of contraction patterns including rate, duration, amplitude, and propagation speed.
Main Results:
- Identified four distinctive ileal manometry patterns: random intermittent, clustered, prolonged propagated, and tonic contractions.
- Clustered contractions (5-9 min-1, 20-120 s) observed in 19/23 subjects.
- Prolonged propagated contractions (>60 mmHg, >15 s, 2-6 cm/s) seen in 13/23 children.
- Migrating motor complex (MMC) was rare, with only two phase III sequences in 55 hours of fasting recordings.
Conclusions:
- Ileal manometry in children reveals unique motility patterns distinct from the proximal small bowel.
- These findings provide a normative reference for ileal contractions in pediatric populations.
- Further research can elucidate the clinical significance of these patterns in various pediatric GI conditions.
Abstract:
Our aim was to analyse the patterns of ileal contractions in children. We reviewed the charts of 23 children who had ileal manometry studies (16 males), mean age 7 years (range 2 months to 17 years). We positioned the manometry catheters with 4-8 recording sites, 5 or 15 cm apart, through ileostomies fashioned for clinically indicated reasons. We studied six additional children with persistent faecal soiling following endorectal pull through for Hirschsprung's disease; the catheters were positioned through the anus and colon into the ileum. We recorded phasic and tonic intermittent contractions in all the subjects, clustered contractions (rate 5-9 min-1, duration 20-120 s) in 19 subjects with ileostomies and four with endorectal pull throughs. In 13 children there were prolonged propagated contractions, > 60 mmHg in amplitude, > 15 s in duration, propagating at rates of 2-6 cm s-1 over at least 20 cm. The migrating motor complex was rare; in 55 h of fasting recording there were two phase III sequences. There are four distinctive features of ileal manometry recordings in children: random intermittent contractions, clustered contractions, prolonged propagated contractions and tonic contractions. The features of ileal motility differ from motility in the proximal small bowel.
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