Abstract
BACKGROUND: Drug-resistant epilepsy (DRE) is epilepsy that is failed to achieve free of seizure after adequate trials of two tolerated and appropriately chosen antiepileptic drugs. Zinc deficiency could trigger the onset of various neurological disorders, including seizures in epilepsy. AIM: The objective of the study was to determine the relationship between hair zinc levels and DRE in children at Sanglah Hospital, Denpasar. METHODS: This is an analytic observational study using a cross-sectional design, involving 74 subjects. The inclusion criteria were children aged 1 month–18 years who had been diagnosed with epilepsy. Chi-square test and multivariate analysis with logistic regression were used to assess the relation between hair zinc levels and DRE in children. RESULTS: Multivariate analysis found a relationship between low hair zinc level and DRE in children (PR 8.0; 95% CI 2.0–32.2; p = 0.003). The duration of therapy (PR 16.0; 95% CI 3.9–65.4; p = 0.000) and structural abnormalities (PR 4.1; 95% CI 1.1–14.9; p = 0.028) also increased the risk of DRE in this study. CONCLUSION: Low hair zinc level is associated with DRE in children.
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