High initial LT4 dosing was effective and safely achieved optimal cognitive development in patients with CH, including those severely affected. Supranormal T4 values during infancy were not associated with impaired IQ in adolescence.
The principal aim of the study was to investigate rheological properties of erythrocytes obtained from patients admitted to the clinic, and diagnosed with polycythemia vera. The polycythemia vera diagnosis was based on the WHO criteria for polycythemia vera. Using a laser rheometer SSD Rheometer-Rheodyn, the elongation index of erythrocytes was determined, indicating an increased rigidity of the erythrocytes in this disease compared with the erythrocytes in healthy people.In order to explain (albeit partially) the reason for reduced elasticity, the erythrocytes of patients with polycythemia were studied for the activity of enzymes -glucose-6-phosphate dehydrogenase and acetylcholinesterase membrane enzyme, as well as the levels of glutathione and malonyldialdehyde. The elevated activities of these enzymes, the glutathione level, and elevated ‰ of reticulocytes, indicated an increased pool of juvenile erythrocyte forms; furthermore, the elevated value of malonyldialdehyde may suggest a lipid peroxidative damage in certain pool of the erythrocyte membrane in blood circulation.
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