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Published on: August 29, 2025
Transient hypertransaminasemia in paediatric patients with Crohn disease undergoing initial treatment with enteral
Ellen Schatorjé1, Hans Hoekstra
1Department of Pediatrics, Hieronymus Bosch Hospital, Hertogenbosch, The Netherlands.
Insights
Total enteral nutrition (TEN) in children with Crohn disease can cause temporary liver enzyme elevations. This transient hypertransaminasemia is linked to insulin resistance and hepatic steatosis, not actual liver disease.
Area of Science:
- Pediatric Gastroenterology
- Hepatology
- Inflammatory Bowel Disease Research
Background:
- Total enteral nutrition (TEN) is a common monotherapy for pediatric Crohn disease, often used to mitigate steroid toxicity.
- Liver disease is a recognized complication in inflammatory bowel disease, necessitating regular monitoring of liver enzymes in affected children.
Purpose of the Study:
- To prospectively evaluate the impact of TEN on liver enzyme levels in pediatric Crohn disease patients.
- To determine the incidence and pattern of liver enzyme changes during TEN therapy and assess for actual liver disease development.
Main Methods:
- Prospective follow-up of 11 pediatric patients (ages 7.6-17.1 years) treated with TEN for 6 weeks.
- Measurement of liver enzymes (ASAT, ALAT, GGT, alkaline phosphatase, bilirubin) at baseline, and at 3, 6, and 12 weeks during and after TEN therapy.
Main Results:
- Transient elevations in aspartate aminotransferase (ASAT) and alanine aminotransferase (ALAT) were observed in 9 and 10 out of 11 patients, respectively.
- Peak elevations occurred at 3 weeks of TEN, with values significantly decreasing by 6 and 12 weeks.
- No patients developed clinically evident liver disease, and 9 achieved prolonged clinical remission.
Conclusions:
- TEN therapy in children with Crohn disease is associated with transient hypertransaminasemia, likely due to insulin resistance and hepatic steatosis.
- This elevation in liver enzymes is a benign, transient condition and not indicative of underlying liver disease.
- Clinicians should be aware of this TEN-associated phenomenon to avoid unnecessary investigations and ensure appropriate patient management.
Objectives:
Total enteral nutrition (TEN) is frequently used as monotherapy in children with Crohn disease to prevent steroid toxicity. Liver disease is a known complication in inflammatory bowel disease, and liver enzymes are regularly obtained in these patients.
Patients And Methods:
Prospective follow-up of liver enzymes was performed in 11 new consecutive patients ages 7.6 to 17.1 years who were primarily treated with TEN for 6 weeks. Liver enzymes were measured before starting TEN and after 3, 6, and 12 weeks.
Results:
At the beginning of TEN, the mean aspartate aminotransferase (ASAT) was 18.4 U/L and the mean alanine aminotransferase (ALAT) 17.1 U/L. The mean ASAT and ALAT were 202.0 U/L and 269.0 U/L after 3 weeks and 109.6 U/L and 180.9 U/L at 6 weeks. After 12 weeks values decreased to 22.8 U/L (ASAT) and 20.9 U/L (ALAT). Overall, 9 of 11 patients had transient elevated ASAT and 10 patients showed elevated ALAT. Gamma-glutamyl transpeptidase was slightly elevated in 3 patients during therapy, but alkaline phosphatase and bilirubin showed no changes. None of the patients developed liver disease during follow-up, and prolonged clinical remission was achieved in 9 patients.
Conclusions:
This study shows that TEN can be associated with transient hypertransaminasemia without evidence of liver disease. We hypothesise that insulin resistance in patients with Crohn disease in combination with standard TEN formulae can result in transient hepatic steatosis causing the hypertransaminasemia. For the clinician it is important to be aware of this benign TEN-associated condition to prevent unnecessary investigations.
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