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  • Title: [The effect of monotherapy on concentration of selected blood serum hormones and upon cognitive function of children with epilepsy].
    Author: Kaciński M.
    Journal: Endokrynol Pol; 1992; 43(2 Suppl):1-66. PubMed ID: 1345559.
    Abstract:
    The studies included 64 children with newly diagnosed epilepsy, aged from 6 to 15 years of life. In 25 children with partial and secondary generalized seizures monotherapy with carbamazepine was introduced; in 19 children with primary generalized seizures--with phenobarbital, and in patients with both types of seizures--with primidone. Monotherapy was controlled by means of blood serum drug concentration level monitoring; the therapy was successful in all the children. The group did not include patients with mental retardation, and epilepsy was idiopathic. Prior to the institution of treatment, a single determination of blood serum triiodothyronine, thyroxine, TSH, prolactin, cortisol, LH and testosterone was made. Psychological test were carried out employing Wechsler's scale, Bender-Santucci test, rhythmic structures developed by Mira Stambak and test of manual dexterity (card display). In order to evaluate short-term effects of the employed drugs upon the blood serum concentration values of the studied hormones, a repeated determination was made one month after the initiation of therapy. The third determination was made one year after the onset of treatment in order to assess the long-term effects. The effect of drugs upon their cognitive functions was assessed in a follow-up psychological testing performed after one year of therapy. The studies combined with statistical analysis led to a conclusion that after one month of monotherapy there occurred a significant drop in thyroxine concentration levels, still augmented after one year. Patients treated with carbamazepine showed a significant decrease of T3 levels after one month and one year, whereas treatment with phenobarbital and primidone did not result in significant changes of T3 concentration. Yet, T3 and T4 concentration values did not exceed normal limits. No type of monotherapy resulted in significant long-term changes of TSH concentration levels. No clinical signs of hypothyroidism nor goiter were observed in the studied children. After one month of monotherapy with carbamazepine and phenobarbital there was observed a significant increase of prolactin and cortisol levels, which was absent after one year. The values observed did lie within normal limits. No significant changes were observed with respect to the effect of the studied drugs upon blood serum LH and testosterone levels. After a one-year monotherapy with primidone the children revealed a significant improvement of results measured on performance scale and by means of a full Wechsler scale. Carbamazepine and phenobarbital did not affect the intelligence quotient of the studied children.(ABSTRACT TRUNCATED AT 400 WORDS)
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