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Generation of a Rat Model of Acute Liver Failure by Combining 70% Partial Hepatectomy and Acetaminophen
Published on: November 27, 2019
Acute-on-chronic liver failure in children
1Department of Pediatric Gastroenterology, Cukurova University School of Medicine, Adana 01330, Turkey.
Insights
Acute-on-chronic liver failure (ACLF) lacks a universal pediatric definition. Early recognition of pediatric ACLF is crucial for timely intervention and improved outcomes, as it indicates a poor prognosis.
Area of Science:
- Pediatric Hepatology
- Critical Care Medicine
Background:
- Acute-on-chronic liver failure (ACLF) is a severe clinical syndrome characterized by acute liver decompensation in patients with underlying chronic liver disease.
- Pediatric ACLF presents unique challenges due to differences in acute events and chronic liver diseases compared to adults.
- Geographical variations exist in the prevalence of underlying liver diseases and precipitating factors for ACLF in children.
Purpose of the Study:
- To highlight the current lack of a universal definition for pediatric acute-on-chronic liver failure (ACLF).
- To emphasize the distinct characteristics of ACLF in children compared to adults.
- To underscore the importance of early recognition and management of pediatric ACLF.
Main Methods:
- Review of existing literature on acute-on-chronic liver failure (ACLF) definitions and pediatric cases.
- Comparison of etiological factors and clinical presentations of ACLF in pediatric and adult populations.
- Evaluation of current prognostic scoring systems and their applicability to pediatric ACLF.
Main Results:
- There is no universally accepted definition for pediatric acute-on-chronic liver failure (ACLF).
- Common causes in children include autoimmune hepatitis and Wilson's disease flares, differing from adult populations.
- Modified adult scoring systems (APASL ACLF, CLIF-SOFA) can be tentatively used for prognosis in children.
Conclusions:
- Early identification of pediatric ACLF is critical to prevent extrahepatic organ failure.
- Liver transplantation remains the primary definitive treatment for pediatric ACLF.
- Development of specific, validated prognostic scoring systems for pediatric ACLF is urgently needed.
Abstract:
Although various complex definitions of acute-on-chronic liver failure (ACLF) have been suggested in relation to adult patients, there is currently no universal definition of the syndrome in pediatric patients. In simplified terms, ACLF is characterized by the acute deterioration of the liver functions due to the effects of a precipitating factor on the basis of a chronic liver disease. Acute events and underlying liver diseases are very different in children from those seen in adults. Moreover, acute events and underlying chronic liver diseases vary among geographical regions, although it seems that the most common such diseases and acute events are autoimmune hepatitis, Wilson's disease, and their flares. ACLF is associated with a poor prognosis. While no scoring systems have been developed to predict the prognosis for children with ACLF, modified versions of the Asian Pacific Association for the Study of the liver's acute-on-chronic liver failure scoring system and the Chronic Liver Failure-Sequential Organ Failure Assessment criteria can be used in children until specific and validated scoring systems are available. Aside from liver transplantation, there is no proven treatment for ACLF. Thus, the early recognition of ACLF prior to the development of extrahepatic organ failure is important.
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