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[Colonic involvement in ileal Crohn's disease]
S Peschard1, F Carbonnel, L Beaugerie
1Service de Gastroentérologie et de Nutrition, Hôpital Rothschild, Paris.
Gastroenterologie Clinique Et Biologique
|October 8, 1998
Summary
Patients with ileal Crohn's disease rarely develop colonic extension, with young age at diagnosis being a predictor. This progression typically has no major impact on prognosis or surgical need.
Area of Science:
- Gastroenterology
- Inflammatory Bowel Disease Research
- Clinical Epidemiology
Background:
- Ileal Crohn's disease is a subset of Crohn's disease primarily affecting the terminal ileum.
- Understanding the risk of colonic involvement is crucial for patient management and prognosis.
Purpose of the Study:
- To investigate the incidence and identify predictors of colonic extension in patients diagnosed with ileal Crohn's disease.
- To assess the clinical significance of colonic involvement in this patient cohort.
Main Methods:
- Retrospective analysis of 150 patients with ileal Crohn's disease and no initial colonic lesions.
- Median follow-up of 51 months, including colonoscopic surveillance in a subset of patients.
Main Results:
- 8% of patients developed colonic lesions during follow-up.
- The 10-year cumulative risk of colonic extension was 17.2%, higher in those with repeat colonoscopies.
- Younger age at diagnosis was the sole identified predictor for colonic extension.
Conclusions:
- Ileal Crohn's disease demonstrates a low propensity for subsequent colonic involvement.
- Colonic extension in ileal Crohn's disease generally carries minimal prognostic implications and rarely necessitates surgery.