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  • Title: Prevalence of low dietary calcium intake in patients with epilepsy: a study from South India.
    Author: Menon B, Harinarayan CV, Raj MN, Vemuri S, Himabindu G, Afsana TK.
    Journal: Neurol India; 2010; 58(2):209-12. PubMed ID: 20508337.
    Abstract:
    BACKGROUND: The effects of antiepileptic drugs (AED) on bone health are well documented. Inadequate dietary intake of calcium and vitamin D plays a vital role and further compromises the bone health. OBJECTIVE: To assess the dietary pattern with special reference to calcium and related minerals in people with epilepsy (PWE) on AED. MATERIALS AND METHODS: The dietary assessment in PWE was documented by dietary recall method. Patients were categorized according to age: group I: <14 years; group II: between 15-20 years; group III: between 21-45 years; group IV: >46 years. From the raw weights, total energy, dietary calcium, dietary phosphorous intake and phytate calcium ratio was calculated using a food composition table by Indian Council of Medical Research (ICMR) and analyzed statistically. RESULTS: A total of 362 patients with mean age of 29 + 15 years were studied. There were 190 women. The mean duration of AED treatment was 4 + 3 yrs, 64% on monotherapy 64% and 36% on polytherapy. The mean dietary intake of the total chohort was 2,007 + 211 Kcal/day, carbohydrate 335 + 33 gm/day; protein 31 + 7 gm/day; fat 18+2 gm/day; calcium 294 + 40 mg/day; phosphorus 557 + 102; phytates 179 + 30 mg/day; and phytate/calcium ratio 0.56+0.2. Milk and milk products were consumed by 42% of the total cohort. The daily dietary calcium (301 + 40 mg/day) intake of men was significantly higher than women (287 + 39 mg/day) (P < 0.001). This was more evident in group II (P < 0.01) and group III (P < 0.03). There was a positive correlation between dietary calcium and dietary phytates (P < 0.001), dietary proteins (P < 0.001), dietary fat (P < 0.001), and total energy (P < 0.001). CONCLUSIONS: The dietary consumption of calcium of all the patients was far below the recommended daily dietary allowance (RDA) by Indian Council of Medical Research (ICMR). Low dietary calcium could have a confounding effect on PWE on AED in all age groups. There is a need to formulate consensus guidelines to supplement dietary calcium to PWE.
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