Objectives
To describe the prevalence and clinical features of gastrointestinal eosinophilic inflammation among pediatric patients with intestinal failure (IF).
Methods
Medical records of all patients followed in our institution's intestinal failure program who underwent GI endoscopy over a 15 year period were reviewed and clinical, pathologic, nutrition and laboratory data collected.
Results
One hundred and five patients underwent 208 GI endoscopic procedures with biopsy. The overall prevalence of eosinophilic inflammation, defined as increased eosinophils in at least one tissue type on at least one endoscopy, was 39/105 (37%). The tissue-specific prevalence of eosinophilic inflammation ranged widely, with the colon/rectosigmoid being the most common (18/68, 26%), followed by the esophagus (17/83, 20%), ileum (9/54, 17%), duodenum (4/83, 5%), and stomach (3/83, 4%). Higher peripheral eosinophil count and hematochezia were associated with eosinophilic inflammation in the colon (p=0.002 and 0.0004, respectively). The use of a strict elemental diet for 3 months prior to endoscopy was not associated with a decreased frequency of eosinophilic inflammation in any tissue.
Conclusions
Eosinophilic inflammation is a common histopathologic finding in IF patients. Colonic eosinophilic inflammation is associated with clinical symptoms of GI blood loss, and peripheral eosinophilia, and was not abrogated by a strict elemental diet.