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Iranian Journal of Pediatrics
Tehran University of Medical Sciences Press
ISSN: 1018-4406
EISSN: 2008-2150
Vol. 17, No. s2, 2007, pp. 167-172
Bioline Code: pe07037
Full paper language: Farsi
Document type: Research Article
Document available free of charge

Iranian Journal of Pediatrics, Vol. 17, No. s2, 2007, pp. 167-172

 en Antiepileptic Drugs Effect on Vitamin D Status of Epileptic Children
Shiva, S & Barzgar, M


Objective: As epilepsy and seizure disorders are common in children, antiepileptic drugs are used more commonly in this age group than in adults. This study was carried out in order to determine the vitamin D and calcium status of children receiving antiepileptic drugs and evaluation of effects of these drugs on vitamin D and calcium metabolism.
Material & Methods: Sixty epileptic children and adolescents visiting Children's Neurology Clinic who were taking antiepileptic drugs and had inclusion criterions were selected as simple sampling from July 2005 to June 2006. Thirty age and sex matched normal children and adolescents were considered as control group. Serum levels of 25OHD3, calcium and alkaline phosphatase is compared between groups.
Findings: Serum levels of 25OHD3 (P<0.001), calcium (P<0.001) and alkaline phosphatase (P<0.001) were significantly different between groups. Ten percent of patients had serum 25OHD3 level below lower normal limit. There was a reverse correlation between duration of drug therapy and serum level of 25OHD3 (r = - 0.345, P=0.011).
Conclusion: Antiepileptic drug treatment in children results in reducing serum 25OHD3 and calcium levels and increases bone turnover. With longer duration of treatment serum 25OHD3 level decreases more.

Antiepileptic drug , Vitamin D , Epilepsy , Seizure , Children

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