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Persistent hypertransaminasemia in asymptomatic children: a stepwise approach
Pietro Vajro1, Sergio Maddaluno, Claudio Veropalumbo
1Department of Medicine and Surgery, Pediatrics, University of Salerno, 84081 Baronissi, Italy. pvajro@unisa.it
Insights
Diagnosing asymptomatic chronic hypertransaminasemia in children requires a specific approach. A retesting panel including gamma-glutamyl transpeptidase and creatine kinase helps identify causes and guide further steps for preventing liver damage.
Area of Science:
- Pediatric Gastroenterology
- Hepatology
- Clinical Diagnostics
Background:
- Isolated chronic hypertransaminasemia is frequently encountered in asymptomatic children.
- Limited comprehensive studies exist for pediatric diagnostic approaches compared to adults.
- Accurate diagnosis is crucial for preventing long-term hepatic complications.
Purpose of the Study:
- To investigate the primary causes of isolated chronic hypertransaminasemia in asymptomatic children.
- To develop a detailed diagnostic flow diagram for pediatric cases.
- To establish effective diagnostic strategies for persistent liver enzyme abnormalities in children.
Main Methods:
- A comprehensive MEDLINE literature search was conducted up to August 2012.
- Analysis of existing publications to identify common and pediatric-specific causes of hypertransaminasemia.
- Development of a diagnostic algorithm based on available evidence and clinical experience.
Main Results:
- A "retesting panel" including gamma-glutamyl transpeptidase and creatine kinase alongside aminotransferases is recommended.
- This panel aids in confirming persistent abnormalities, excluding cholestatic liver disease and myopathies.
- A multi-step diagnostic algorithm is proposed, incorporating numerous pediatric-specific scenarios.
Conclusions:
- Diagnosing asymptomatic persistent hypertransaminasemia in children presents unique challenges.
- A structured diagnostic approach is essential for timely intervention and management.
- Early and accurate diagnosis is critical to prevent progressive liver disease and ensure favorable long-term outcomes in pediatric patients.
Abstract:
We aimed to examine the major causes of isolated chronic hypertransaminasemia in asymptomatic children and develop a comprehensive diagnostic flow diagram. A MEDLINE search inclusive of publications throughout August 2012 was performed. We found only a small number of publications that had comprehensively investigated this topic. Consequently, it was difficult to construct a diagnostic flowchart similar to those already available for adults. In children, a "retesting panel" prescription, including gamma-glutamyl transpeptidase and creatine kinase in addition to aminotransferases, is considered a reasonable approach for proficiently confirming the persistence of the abnormality, ruling out cholestatic hepatopathies and myopathies, and guiding the subsequent diagnostic steps. If re-evaluation of physical and historical findings suggests specific etiologies, then these should be evaluated in the initial enzyme retesting panel. A simple multi-step diagnostic algorithm incorporating a large number of possible pediatric scenarios, in addition to the few common to adults, is available. Accurately classifying a child with asymptomatic persistent hypertransaminasemia may be a difficult task, but the results are critical for preventing the progression of an underlying, possibly occult, condition later in childhood or during transition. Given the high benefit/cost ratio of preventing hepatic deterioration, no effort should be spared in diagnosing and properly treating each case of persistent hypertransaminasemia in pediatric patients.
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