The prevalence of liver fibrosis according to non-invasive tools in a pediatric home parenteral nutrition cohort

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Abstract

Background & aims: Liver biopsy is no viable tool to routinely screen for liver fibrosis in children suffering from chronic intestinal failure (IF). We aim to assess the prevalence of liver fibrosis in a cohort of children with chronic IF by non-invasive tests: transient elastography (TE), aspartate-aminotransferase-to-platelet-ratio-index (APRI) and enhanced liver fibrosis (ELF) score. Methods: Cross sectional study where patients with chronic IF, receiving parenteral nutrition (PN) for at least 3 months, were enrolled. TE, APRI and ELF score were measured. Using Spearman's rank correlation coefficient and Kruskal–Wallis H test, the correlation between TE, APRI, ELF score and known risk factors for development of intestinal failure-associated liver disease (IFALD) were calculated. Results: 32 patients were included (50% female), median age was 8 years and 4 months, median PN duration was 45 months. Six patients (21%) had TE ≥6.5 kPa, indicating significant fibrosis. Twelve patients (38%) had APRI ≥.5, indicating fibrosis. ELF score indicated moderate fibrosis in 17 patients (63%) and significant fibrosis in 10 patients (37%). TE and APRI correlated significantly with known risk factors for IFALD, but ELF showed poor correlation with known risk factors for IFALD. Conclusion: In a cohort of pediatric patients suffering from chronic IF, TE measurement, APRI and ELF test show a varying, but substantial proportion of subjects with fibrosis. The diagnostic value of these tests and their role in the management of pediatric IF must be determined in larger cohorts with liver biopsy as reference standard. Trial Registration: Academic Medical Center medical ethics committee number: METC 2017_185.
Original languageEnglish
Pages (from-to)460-466
Number of pages7
JournalClinical nutrition (Edinburgh, Scotland)
Volume40
Issue number2
Early online date2020
DOIs
Publication statusPublished - Feb 2021

Keywords

  • Enhanced liver fibrosis score
  • Intestinal failure-associated liver disease
  • Liver fibrosis
  • Parenteral nutrition
  • Transient elastography

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