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Hypertransaminasemia in pediatric celiac disease patients and its prevalence as a diagnostic clue
1Department of Biochemistry, Hospital Sant Joan de Déu, University of Barcelona, Barcelona, Catalonia, Spain.
Insights
Hypertransaminasemia (HT) is common in pediatric celiac disease (CD), sometimes being the only symptom. A gluten-free diet resolves liver enzyme elevations in these patients.
Area of Science:
- Pediatric Gastroenterology
- Hepatology
- Celiac Disease Research
Background:
- Hypertransaminasemia (HT), characterized by elevated liver enzymes, can be a presenting sign of pediatric celiac disease (CD).
- Understanding the prevalence and clinical significance of HT in pediatric CD is crucial for timely diagnosis and management.
Purpose of the Study:
- To determine the prevalence of HT in pediatric celiac disease (CD) and its association with clinical factors.
- To assess the frequency of HT as the sole indicator of CD in children.
- To evaluate the resolution of HT following a gluten-free diet.
Main Methods:
- A cohort of 114 pediatric CD patients was analyzed.
- Serological markers (antiendomysial and anti-tissue transglutaminase antibodies) and liver function tests were assessed.
- Clinical parameters were correlated with aminotransferase levels, and outcomes after a gluten-free diet were monitored.
Main Results:
- HT was observed in 32% of pediatric CD patients at diagnosis.
- In 4.3% of cases, HT was the only presenting manifestation of CD.
- Younger age was significantly associated with HT (p=0.039).
- A gluten-free diet led to the normalization of aminotransferases in all followed patients.
Conclusions:
- Hypertransaminasemia is a frequent finding in pediatric celiac disease and can be its sole manifestation.
- Serological screening for CD should be considered early in the diagnostic workup of pediatric liver diseases.
Objectives:
The aims of this study were to evaluate the following: 1) the prevalence of hypertransaminasemia (HT) in a pediatric celiac disease (CD) and its relation with clinical parameters; 2) the frequency of HT as the only manifestation of pediatric CD; and 3) the evolution of HT after a gluten free diet.
Methods:
A total of 114 consecutive pediatric CD patients were studied (60% with classical and 40% with atypical forms). Antiendomisyum antibodies and anti-tissue transglutaminase antibodies were determined in patients with a clinical suspicion of CD (including unexplained chronic HT), in patients at risk, and in patients with preoperative increased ALT activity for minor surgery. CD was confirmed by duodenal biopsy. At baseline, the relationship between clinical factors and aminotransferase status was univariately and multivariately assessed. After starting a gluten free diet, patients were followed up, until serological markers cleared and serum aminotransferase normalized.
Results:
HT occurred in 32% of patients (37 of 114) at diagnosis. HT was the only manifestation of CD in five patients (4.3%). Patients with HT were younger (2.9 +/- 0.4 yr) than patients with normal aminotransferases (5.1 +/- 0.5 yr) (p = 0.007). A higher percentage of patients with classical CD tend to have abnormal aminotransferases (73%; 95% CI = 65-81%) than do patients with atypical CD (27%; 95% CI = 19-35%) (p = 0.068). Logistic regression analysis showed that only younger age was significantly associated with HT (p = 0.039; OR = 0.8; 95% CI = 0.71-0.99). Aminotransferases normalized with a gluten free diet in all 35 patients who were followed-up, either before (n = 18) or at the same time (n = 17) as serological markers cleared.
Conclusions:
HT is a frequent finding in pediatric CD patients and, in a substantial proportion, may be the only manifestation of CD. Thus, serological markers of CD should be introduced in the first step of the diagnostic workup of liver diseases in pediatric patients.
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