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Endoscopic and Histologic Predictors of Outcomes in Pediatric Ulcerative Colitis-Caveat Emptor
Lorraine Stallard1, Séamus Hussey1,2,3
1National Centre for Paediatric Gastroenterology, Children's Health Ireland at Crumlin, Dublin, Ireland.
Insights
Predicting outcomes in pediatric ulcerative colitis (UC) differs from adults. Endoscopic healing is a goal, but histologic normalization is not. Early prediction aids treatment stratification for better patient care.
Area of Science:
- Pediatric Gastroenterology
- Inflammatory Bowel Disease Research
- Clinical Outcomes Prediction
Background:
- Pediatric ulcerative colitis (UC) presents unique challenges compared to adult disease.
- Current outcome prediction tools validated in adults are not fully applicable to children.
- Lack of consensus on definitions for clinical and endoscopic healing in pediatric UC.
Purpose of the Study:
- To review predictive endoscopic and histologic factors for pediatric UC.
- To assess risks of relapse, acute severe colitis, and colectomy in pediatric UC.
- To highlight differences in predictive data between pediatric and adult UC.
Main Methods:
- Mini-review of existing literature on predictive factors in pediatric UC.
- Comparison of adult and pediatric endoscopic and histologic outcome predictors.
- Appraisal of factors related to relapse, severe colitis, and colectomy.
Main Results:
- Endoscopic mucosal healing is an achievable treatment goal in pediatric UC, unlike histologic normalization.
- Predictive factors for poor outcomes in adults (e.g., baseline endoscopic severity) are less reliable in children.
- Primary sclerosing cholangitis requires special consideration in pediatric UC prediction.
Conclusions:
- Clinicians should routinely integrate endoscopic and histologic scores into pediatric UC management and research.
- Recognizing distinct predictive patterns in pediatric UC is crucial for effective treatment stratification.
- Further research is needed to refine predictive models for pediatric ulcerative colitis.
Abstract:
The impact of endoscopic and histological mucosal healing on outcomes in adult settings is impressive. Despite many clinical parallels, pediatric ulcerative colitis (UC) is set apart from adult disease in several respects. Many frequently used indices are not fully validated, especially in pediatric settings, and consensus on precise definitions in clinical settings are lacking. Endoscopic mucosal healing is an acceptable long-term treatment goal in pediatrics, but not histologic normalization. Early prediction of disease course in UC may allow treatment stratification of patients according to risks of relapse, acute severe colitis, and colectomy. Putative endoscopic and histologic predictors of poor clinical outcomes in adults have not held true in pediatric settings, including baseline endoscopic extent, endoscopic severity, and specific histologic characteristics which are less prevalent in pediatrics at diagnosis. In this mini-review we appraise predictive endoscopic and histologic factors in pediatric UC with reference to relapse, severe colitis, and colectomy risks. We recommend that clinicians routinely use endoscopic and histologic sores to improve the quality of clinical and research practice. The review summarizes differences between adult and pediatric prediction data, advises special consideration of those with primary sclerosing cholangitis, and suggests areas for future study in this field.
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