eISSN: 1644-4124
ISSN: 1426-3912
Central European Journal of Immunology
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2/2019
vol. 44
 
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abstract:
Clinical immunology

Peripheral blood picture and aminotransferase activity in children with newly diagnosed Graves’ disease at baseline and after the initiation of antithyroid drug therapy

Dorota Artemniak-Wojtowicz
,
Ewelina Witkowska-Sędek
,
Ada Borowiec
,
Beata Pyrżak

(Centr Eur J Immunol 2019; 44 (2): 132-137)
Online publish date: 2019/07/30
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Aim of the study
Assessment of the peripheral blood picture and aminotransferase activity in children with newly diagnosed Graves’ disease (GD) at baseline and 4-6 weeks after the initiation of antithyroid drug (ATD) therapy.

Material and methods
Data of 59 children were assessed retrospectively. Baseline analysis included concentrations of thyroid-stimulating hormone (TSH), free triiodothyronine (fT3), free thyroxine (fT4), TSH receptor antibodies (TSH-R Ab), complete blood cell count (CBC), aspartate (AST) and alanine aminotransferase (ALT) activity. Reassessment of CBC and aminotransferase activity was performed 4-6 weeks after the initiation of ATD therapy.

Results
Significant decreases in the neutrophil count, MCV, haemoglobin (Hgb), red blood cell (RBC) count, white blood cell (WBC) count and platelet (PLT) count were found in 37.3%, 32.2%, 22%, 13.6%, 8.5% and 5% of untreated patients, respectively. Increased baseline ALT and AST activity was observed in 44% and 32.2% of children, respectively. Initiation of ATD therapy led to significant changes in Hgb, RBC and PLT count, RDW and ALT activity. Negative associations between TSH-R Ab, TSH and MCV were found. ALT and AST activity were negatively related to baseline TSH levels. ALT activity was also associated with baseline fT4 and fT3.

Conclusions
The incidence of haematopoiesis and liver abnormalities in GD children seems to be similar to that reported in adult patients. The most common alterations are changes in neutrophil count, RBC parameters and ALT activity. The initiation of ATD therapy usually leads to significant improvement in those parameters.

keywords:

hyperthyroidism, autoimmunity, peripheral blood cells, liver function, children

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