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Published on: October 12, 2012
Gastrointestinal complications of epidermolysis bullosa in children
E B Freeman1, J Köglmeier, A E Martinez
1Department of Paediatric Gastroenterology, Great Ormond Street Hospital for Children NHS Trust, Great Ormond Street, London WC1N 3JH, UK.
Insights
Gastrointestinal complications are common in inherited epidermolysis bullosa (EB), affecting 58% of children. Specific GI issues like constipation, reflux, and enteropathy vary by EB subtype, impacting patient care.
Area of Science:
- Pediatric Gastroenterology
- Dermatology
- Genetics
Background:
- Epidermolysis bullosa (EB) encompasses inherited disorders causing skin and mucous membrane fragility.
- Gastrointestinal (GI) complications are frequent in EB, contributing significantly to patient morbidity.
Purpose of the Study:
- To determine the frequency and nature of GI complications in a large pediatric EB cohort.
- To explore subtype-specific patterns of GI involvement in EB.
Main Methods:
- Retrospective review of medical records for 223 pediatric EB patients.
- Analysis of documented GI symptoms, diagnostic investigations, and treatments.
Main Results:
- 58% of patients experienced GI complications.
- EB simplex: constipation and gastro-oesophageal reflux (GOR).
- Junctional EB: failure to thrive and protein-losing enteropathy (PLE).
- Dystrophic EB (DEB): constipation, GOR, esophageal strictures (recessive DEB), gastrostomy needs (recessive DEB), and diarrhea/colitis (recessive DEB).
Conclusions:
- GI problems are highly prevalent in EB, with distinct patterns across subtypes.
- Diarrhea, PLE, and colitis in EB may result from gut mucosal fragility and antigenic exposure.
Background:
Epidermolysis bullosa (EB) is a group of inherited disorders characterized by skin and mucous membrane fragility. Gastrointestinal (GI) complications have been described in many types of EB and are responsible for significant morbidity.
Objectives:
To delineate the nature and frequency of GI complications in a large cohort of paediatric patients with EB and to postulate why some complications occur more commonly in some specific subtypes.
Methods:
The case notes of 223 children with EB seen at a national referral centre were examined retrospectively for the presence of GI symptoms, investigations and interventions.
Results:
GI complications were present in 130/223 (58%) of all patients. In EB simplex, constipation and gastro-oesophageal reflux (GOR) were frequently observed. In junctional EB, failure to thrive and protein-losing enteropathy (PLE) were the prominent GI manifestations. Constipation was common in patients with dystrophic EB (DEB) requiring laxatives and in some cases fibre supplementation. GOR affected three-quarters of those with recessive DEB, two-thirds also having significant oesophageal strictures. Over half of patients with recessive DEB required gastrostomy insertion. Diarrhoea affected a small but significant proportion of children with recessive DEB with macroscopic and/or microscopic changes of colitis in the majority.
Conclusion:
GI problems in EB are very common with subtype specificity for some of these complications. The occurrence of diarrhoea, PLE and colitis in the context of EB has not been highlighted previously, and may arise secondarily to antigenic exposure in the gut lumen as a result of mucosal fragility.
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