eISSN: 2449-8238
ISSN: 2392-1099
Clinical and Experimental Hepatology
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3/2020
vol. 6
 
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abstract:
Original paper

Estimation of the risk of fibrosis in children with nonalcoholic fatty liver disease

Paweł Małecki
1
,
Magdalena Figlerowicz
1
,
Pawel Kemnitz
1
,
Katarzyna Mazur
1
,
Wojciech Służewski
1
,
Anna Mania
1

  1. Department of Infectious Diseases and Child Neurology, Poznan University of Medical Sciences, Poznan, Poland
Clin Exp HEPATOL 2020; 6, 3: 220–227
DOI: https://doi.org/10.5114/ceh.2020.99515
Online publish date: 2020/09/30
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Introduction
Assessment of liver fibrosis as a predictive factor of liver-related mortality in children with nonalcoholic fatty liver disease (NAFLD) is crucial. This study aims to estimate the risk of fibrosis using noninvasive markers.

Material and methods
The study group of 49 children with NAFLD (age range 3-16, mean 10.51 ±3.18 years) was created. The diagnosis was based on clinical picture, abdominal ultrasound, and laboratory tests; four children underwent liver biopsy. Then homeostatic model assessment (HOMA-IR) and noninvasive hepatic fibrosis scores were calculated, and patients were divided into four groups depending on body mass index (BMI, obese vs. lean) and aminotransferases.

Results
71.43% of patients were obese, and 14.29% were overweight. We found that overweight children had lower mean corpuscular volume (MCV) than lean patients. In a group of patients with a high risk of fibrosis or significant fibrosis due to pediatric NAFLD fibrosis score (PNFS), higher alanine aminotransferase (ALT) to platelet ratio (APRI) values were observed. The highest values of APRI were found in a group of lean patients with elevated aminotransferases and the highest value of PNFS – among obese patients with elevated aminotransferases. A strong significant correlation between APRI and PNFS was found (r = 0.88).

Conclusions
Apart from aminotransferase activity, complete blood count should be assessed looking for lower MCV caused by iron deficiency. In contrast to FIB-4 (fibrosis score), PNFS and APRI proved to be more accurate in our group. PNFS seems to be appropriate to evaluate fibrosis in a noninvasive diagnostic algorithm.

keywords:

children, fatty liver, serum markers of fibrosis, laboratory indexes
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