Volume 15, Issue 4 (1-2014)                   yafte 2014, 15(4): 72-80 | Back to browse issues page

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Hashemipour S, Naimian S, Mostafaie H, Hajmanochehri F, Abbasi M. Study of vitamin D serum level in patients with epilepsy treated with enzyme-inducing and non enzyme-inducing medications. yafte. 2014; 15 (4) :72-80
URL: http://yafte.lums.ac.ir/article-1-1453-en.html
Abstract:   (7576 Views)
Background : Changes of serum minerals and vitamin D have been reported in anticonvulsant drugs user patients. The present study aimed at comparing the changes of serum minerals and vitamin D among two groups of enzyme-inducing and non enzyme-inducing anticonvulsant drug users. Methods: In this study 22 patients treated with enzyme-inducing drugs (carbamazepin, phenytoin, phenobarbital) were compared to 25 patients of matched sex, age, and BMI treated with non enzyme-inducing drugs (sodium evaporate, lamotrigine). Serum calcium, phosphate, parathormone, and 25-hydroxy vitamin D were calculated in both groups. Calcium was measured by Calorimetery method. Parathormone and vitamin D were measured using ELISA method. Results: The mean serum vitamin D level was lower in enzyme-inducing than non enzyme-inducing drugs users (15.9±8.3 and 24.2±14.8, P=0.02). Frequency of vitamin D deficiency was higher in enzyme-inducing compared to non enzyme-inducing drugs users, 84% and 48% , respectively (P=0.016). The mean serum calcium level was significantly lower in enzyme-inducing drugs users. (8.7±0.2 vs. 9.0± 0.7, p= 0.05). Four percent in enzyme-inducing group compared to twenty four percent of non enzyme-inducing group had secondary hyperparathyroidism (P=0.016). Conclusion: While vitamin D deficiency is more frequent in enzyme-inducing drug users, secondary hyperparathyroidism is less frequent.
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Type of Study: Research |
Received: 2014/01/21 | Accepted: 2014/01/21 | Published: 2014/01/21

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