Fecal elastase-1 and ultrasonography for assessment of exocrine pancreatic function in children with cystic fibrosis

Document Type : Original Article

Authors

1 Pediatrics department, faculty of medicine, Zagazig university, Egypt

2 Department of Clinical Pathology, Faculty of Medicine - Zagazig University, Egypt.

3 Radiology department, Faculty of Medicine, Zagazig University, Zagazig, Egypt

4 Resident of Pediatrics, Zgazig General Hospital, Ministry of health, Egypt.

5 Pediatrics department, Faculty of Medicine, Zagazig University, Zagazig, Egypt

Abstract

Background: Cystic fibrosis (CF) is an autosomal recessive disorder affecting the exocrine functions of many organs including the pancreas. Clinical and laboratory recognition of pancreatic insufficiency is important for proper treatment. Early radiologic detection of pancreatic pathologic changes can help better evaluation. Objectives: To correlate exocrine pancreatic function with pancreatic ultrasound changes in CF children. Methods: This was a prospective cross-sectional study to assess the exocrine pancreatic function by measuring fecal elastase-1 (FE-1) level and doing pancreatic ultrasound for CF patients. Results: A total of 30 CF patients with age range from 3 months to 10 years were included in the study. They were categorized into three age groups; below one year, from 1 to 4 years and above 4 years old. None of our cases was exocrine pancreatic sufficient regarding FE-1 level and most of them (86.7%) had severe fecal elastase deficiency. Before 1 year of age there was no detected abnormal ultrasound findings in pancreas; only 8 older patients had abnormal US detected as hyper-echogenicity of pancreas. Abnormal US was more detected among patients with severe pancreatic insufficiency. The sensitivity of ability of fecal elastase level to predict abnormal ultrasound was 80%, with 84% specificity at cut of point 15.2 µg/g. Conclusions: Fecal-elastase-1 measurement in cystic fibrosis children can diagnose the exocrine pancreatic insufficiency even without clinical manifestations of steatorrhea. FE-1 level can predict pathologic changes of pancreas detected by transabdominal ultrasound.

Keywords

{"sdg_fld":["3"]}

Main Subjects

Zagazig University Medical Journal

Articles in Press, Accepted Manuscript
Available Online from 14 March 2024

Files

Share

How to cite

Statistics