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, 38 (2), 164-9

Nutritional Status and Gastrointestinal Structure and Function in Children With Ichthyosis and Growth Failure

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Nutritional Status and Gastrointestinal Structure and Function in Children With Ichthyosis and Growth Failure

Ashley J Fowler et al. J Pediatr Gastroenterol Nutr.

Abstract

Growth failure occurs in several of the ichthyoses, a heterogeneous group of inherited disorders characterized by thickened or scaly skin. This suggests that there may be common pathogenic mechanisms causing failure to thrive. Previous studies have proposed that a hypermetabolic state induced by epidermal inflammation and hyperproliferation or enteropathy leading to malabsorption and nutritional deficiencies might account for the growth failure in icthyosis.

Objective: The purpose of this study was to examine the extent of enteropathy and nutritional deficiency in children with severe ichthyosis and growth failure.

Methods: Ten children with different types of ichthyoses and growth failure were studied.

Results: Evaluation of gastrointestinal structure and function revealed few abnormalities other than mild fat malabsorption in two patients. Total caloric intake exceeded established requirements for age, height, and weight in all patients. Deficiencies of fat-soluble vitamins were identified in a few subjects. Mild elevations in total calcium and magnesium blood level, elevated hematocrit levels, and constipation were observed in many patients.

Conclusions: Nutritional deficiencies and gastrointestinal abnormalities are uncommon in children with ichthyosis and failure to thrive. Chronic hypovolemia caused by impaired epidermal permeability barrier may be common in this population.

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