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Acute paediatrics
Faecal elastase 1 concentration is a marker of duodenal enteropathy
  1. M G Schäppi1,
  2. V V Smith2,
  3. D Cubitt3,
  4. P J Milla1,
  5. K J Lindley1
  1. 1Department of Gastroenterology, Institute of Child Health and Great Ormond Street Hospital, London, UK
  2. 2Department of Histopathology, Institute of Child Health and Great Ormond Street Hospital
  3. 3Department of Virology, Institute of Child Health and Great Ormond Street Hospital
  1. Correspondence to:
    Dr K J Lindley, Gastroenterology Unit, Institute of Child Health, 30 Guilford Street, London WC1N 1EH, UK;
    k.lindley{at}ich.ucl.ac.uk

Abstract

Background: Measurement of faecal elastase (FE1) is used widely to screen for pancreatic exocrine insufficiency (PI). FE1 does not allow differentiation of primary from secondary PI.

Aims: To investigate the relation between duodenal morphology and FE1 in children with secondary PI resulting from primary gastrointestinal diseases.

Methods: A group of 51 children underwent small intestinal biopsy and FE1 measurement. Villus to crypt ratio (VCR) and inflammation within the lamina propria of duodenal mucosal biopsy specimens were scored and compared with FE1 values.

Results: In 51 children from nine diagnostic categories, a highly significant correlation between FE1 and both duodenal morphology and inflammation was found.

Conclusion: Small bowel enteropathy is associated with low FE1 concentrations, indicative of secondary exocrine pancreatic insufficiency.

  • faecal elastase
  • duodenum
  • enteropathy
  • inflammation
  • CCK, cholecystokinin
  • FE1, faecal elastase
  • GI, gastrointestinal
  • PI, pancreatic exocrine insufficiency
  • PZ, pancreozymin
  • PVA, partial villous atrophy
  • VCR, villus to crypt ratio

https://doi.org/10.1136/adc.86.1.50

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    Footnotes

    • Research at the Institute of Child Health and Great Ormond Street Hospital for Children NHS Trust benefits from R&D funding received from the NHS Executive.