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Thyroid dysfunction associated with increased low-density lipoprotein cholesterol in epileptic children treated with
Achilleas Attilakos1, Anastasia Garoufi, Konstantinos Voudris
1Second Department of Pediatrics, University of Athens, Panagiotis and Aglaia Kyriakou Children's Hospital Athens, 1 Dimitsanis Street, Marousi, 15125 Athens, Greece. attilakos@hotmail.com
Insights
Carbamazepine (CBZ) monotherapy in children with epilepsy can lead to thyroid dysfunction and lipid abnormalities. This study found a link between elevated TSH and LDL-C levels during CBZ treatment, suggesting increased atherosclerotic risk.
Area of Science:
- Pediatric Endocrinology
- Clinical Neurology
- Pharmacology
Background:
- Antiepileptic drugs (AEDs) like carbamazepine (CBZ) are associated with lipid abnormalities and thyroid dysfunction.
- Prospective data on the interplay between lipid profiles and thyroid function in children on CBZ monotherapy is limited.
Purpose of the Study:
- To prospectively evaluate the association between thyroid function and lipid profiles in pediatric patients receiving carbamazepine (CBZ) monotherapy.
Main Methods:
- 18 epileptic children on CBZ monotherapy were assessed for thyroid function and serum lipid profiles.
- Measurements were taken before CBZ initiation and at 6, 12, and 24 months of treatment.
Main Results:
- All children had normal thyroid function pre-treatment.
- CBZ therapy induced thyroid dysfunction, characterized by increased TSH and decreased T4, FT4, and T3 levels.
- A significant association was observed between elevated TSH and increased LDL-C at 6 and 12 months.
Conclusions:
- CBZ monotherapy in children may cause lipid abnormalities linked to thyroid hormone disturbances.
- The co-occurrence of thyroid dysfunction and hypercholesterolemia raises concerns about increased atherosclerotic risk.
- Epileptic patients on CBZ monotherapy require careful monitoring for thyroid and lipid changes.
Objective:
Lipid abnormalities and thyroid dysfunction have been reported in patients treated with antiepileptic drugs. The aim of this study was to evaluate prospectively the association between thyroid and lipid profile in children treated with carbamazepine (CBZ) monotherapy.
Materials And Methods:
Thyroid function was evaluated in 18 epileptic children, previously reported with CBZ-induced changes in serum lipid profile, before and at 6, 12 and 24 months of CBZ monotherapy.
Results:
All children had normal thyroid function before the initiation of CBZ treatment. During CBZ therapy thyroid dysfunction, with increased thyrotropin (TSH) and decreased thyroxine (T4), free thyroxine (FT4) and triiodothyronine (T3) was found, while, significant association was revealed between serum low-density lipoprotein cholesterol (LDL-C) and TSH levels at 6 (r=0.469; p=0.043) and 12 (r=0.730; p=0.001) months of treatment.
Conclusion:
Lipid abnormalities may be associated with thyroid hormone disturbance in children treated with CBZ monotherapy. Since thyroid dysfunction and hypercholesterolemia are both associated with a higher atherosclerotic risk special attention and further studies are needed in epileptic patients treated with CBZ monotherapy.
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