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Pediatric Nonalcoholic Fatty Liver Disease: Current Thinking
Valerio Nobili1,2, Piotr Socha3
1Hepatometabolic Diseases Unit and Liver Research Unit Bambino Gesu Children Hospital, Rome.
Insights
Nonalcoholic fatty liver disease (NAFLD) in children is common and diagnosed by pediatricians. Current diagnostic tools need more validation, and while weight loss is key, new treatments show limited evidence.
Area of Science:
- Pediatric Gastroenterology
- Hepatology
- Internal Medicine
Background:
- Nonalcoholic fatty liver disease (NAFLD) is a growing concern in children.
- Diagnosis and management involve pediatric gastroenterologists, hepatologists, and general pediatricians.
Purpose of the Study:
- To update recent advances in the diagnosis and treatment of pediatric NAFLD for practical application.
- To highlight the importance of early risk assessment for cirrhosis in childhood.
Main Methods:
- Diagnosis relies on risk factor assessment and exclusion of other conditions.
- Transient elastography and biomarkers are being explored but require further validation in pediatric populations.
Main Results:
- Risk stratification for cirrhosis involves a combination of genetic, clinical, and environmental factors.
- Weight reduction is the primary treatment, but compliance is a challenge.
Conclusions:
- Further validation of diagnostic techniques like elastography and biomarkers is needed for pediatric NAFLD.
- While some pharmacological options like docosahexaenoic acid, probiotics, and vitamin E are considered, evidence for widespread use is insufficient.
Abstract:
Nonalcoholic fatty liver disease (NAFLD), an increasingly prevalent paediatric disorder, is diagnosed and managed not only by both pediatric gastroenterologists/hepatologists but also frequently by the general pediatrician. This article updates recent advances in diagnostic and therapeutic approach, which may be applied to everyday practice. Diagnosis of NAFLD takes into account the risk factor profile and is a diagnosis of exclusion. Techniques such as transient elastography and specific biomarkers aimed at improving diagnosis and monitoring of NAFLD need further validation in the pediatric population. Defining the risk to develop cirrhosis seems to be of primary importance already in childhood and a combination of genetic, clinical, and environmental factors can help in monitoring and making decisions on therapy. Weight reduction therapy should be the aim of treatment approach, but the compliance is poor and pharmacological treatment would be helpful; docosahexaenoic acid, some probiotics, and vitamin E are to be considered, but evidence is not sufficient to recommend widespread use.
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