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Perianal disease in children and adolescents with Crohn's disease
Insights
Perianal Crohn's disease affects nearly half of pediatric patients, presenting as fissures, fistulas, or abscesses. While not always progressive, these conditions often require intervention and can lead to chronic issues.
Area of Science:
- Pediatric Gastroenterology
- Inflammatory Bowel Disease Research
- Clinical Pediatrics
Background:
- Perianal disease is a common complication in pediatric Crohn's disease.
- Understanding its clinical and pathological features is crucial for effective management.
- This study focuses on the characteristics and outcomes of perianal manifestations in a young patient cohort.
Purpose of the Study:
- To delineate the clinical and pathological features of perianal disease in children and adolescents with Crohn's disease.
- To assess the association between perianal disease and disease location (ileocolitis).
- To evaluate the impact of rectal inflammation and anorectal granulomata on disease presentation and outcomes.
Main Methods:
- Retrospective analysis of 149 pediatric patients diagnosed with Crohn's disease.
- Classification of perianal disease into fissures, tags, fistulas, and abscesses.
- Correlation of perianal disease with disease extent, rectal inflammation, and anorectal granulomata.
Main Results:
- Nearly half (49%) of patients presented with perianal disease, most commonly fissures and tags (51/73).
- Ileocolitis was prevalent (68% overall, 75% with perianal disease).
- Rectal inflammation (p<0.025) and anorectal granulomata (p<0.05) were significantly associated with fistulas/abscesses.
- Medical therapies showed limited efficacy; surgical drainage was often required for abscesses, with 50% developing chronic fistulas.
Conclusions:
- Perianal Crohn's disease is a significant source of morbidity in pediatric patients.
- While often not progressively destructive, fistulas and abscesses necessitate specific management strategies.
- Rectal inflammation and granulomata are key indicators in patients with severe perianal manifestations.
Abstract:
The clinical and pathological features of perianal disease in children and adolescents with Crohn's disease have been delineated. Of the 149 patients (mean age 12.1 yr, range 0.75-21 yr, 68% male), 73 (49%) had perianal disease including 51 with fissures and tags, 10 with fistulas, and 12 with abscesses. Ileocolitis was seen in 68% of all patients and in 75% of patients with perianal disease (p greater than 0.10). Rectal inflammation was present in 94% of patients with fistulas or abscesses, or both, versus 63% of all patients without perianal disease (p less than 0.025). Anorectal granulomata were found in 47% of fistula/abscess patients versus 9% of non-perianal disease patients (p less than 0.05). A variety of medical regimens failed to consistently affect these lesions favorably. Four of 10 patients with fistulas healed after 1-5 yr of intermittent discharge. Nine of 12 patients with abscesses required surgical drainage, and 50% subsequently developed chronic fistulas. Granulomata were equally distributed between those patients who healed and those who developed chronic fistulas. Although an important cause of morbidity in childhood Crohn's disease, perianal disease is not progressively destructive in the majority of patients.
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