Velkoska Nakova, Valentina and Krstevska, Brankica and Todorova, Biljana and Jovanovska-Mishevska, Sasha (2023) The effect of thyroid substitution therapy on serum lipids in patients with a mild form of subclinical hypothyroidism. Revista Mexicana de Endocrinologia, Metabolismo y Nutricion, 10 (1). pp. 15-22. ISSN 2462-4144
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Abstract
Background: Overt hypothyroidism and severe subclinical
hypothyroidism (ScH) are associated with dyslipidemia, and
its condition is reversible after levothyroxine therapy (L-T4).
Objective: We investigated the differences in lipids between
patients with a mild form of ScH and healthy subjects, and
the effect of L-T4 on lipid parameters in ScH group. Materials and methods: Fifty-seven patients with newly diagnosed ScH with thyroid-stimulating hormone (TSH) levels below 10 mIU/L and 30 healthy subjects were included in the study. Lipid parameters were evaluated at the first visit in both groups, and after 5 months euthyroid stage in patients with ScH.
Results: Average value of TSH in patients with ScH was
8.1 ± 1.9 mIU/L. At the baseline, the ScH patients had significant higher total cholesterol, low-density lipoprotein (LDL-C), and non-high-density lipoprotein (non-HDL-C) levels, and lower HDL-C than the control group. Thyroid substitution therapy in the ScH group significantly decreased total cholesterol and LDL-C, and increased HDL-C. TSH positively correlated with total cholesterol (r = 0.147, p < 0.05). The effect of the L-T4 on lipid parameters was more pronounced in patients with positive thyroid antibodies. Conclusion: In a small sample, mild form of ScH is associated with hypercholesterolemia, which is reversible after L-T4 therapy. Large prospective studies should confirm these results.
Keywords: Subclinical hypothyroidism. Lipids (hyperlipidaemia). L-thyroxine therapy
Item Type: | Article |
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Subjects: | Medical and Health Sciences > Clinical medicine |
Divisions: | Faculty of Medical Science |
Depositing User: | Valentina Velkovska |
Date Deposited: | 01 Feb 2024 12:50 |
Last Modified: | 01 Feb 2024 12:50 |
URI: | https://eprints.ugd.edu.mk/id/eprint/33368 |
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