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Meta-Analysis
. 2019 May;22(5):317-334.
doi: 10.1080/1028415X.2017.1387721. Epub 2017 Oct 25.

Short-term and Long-Term Efficacy of Classical Ketogenic Diet and Modified Atkins Diet in Children and Adolescents With Epilepsy: A Systematic Review and Meta-Analysis

Affiliations
Meta-Analysis

Short-term and Long-Term Efficacy of Classical Ketogenic Diet and Modified Atkins Diet in Children and Adolescents With Epilepsy: A Systematic Review and Meta-Analysis

Shahabeddin Rezaei et al. Nutr Neurosci. .

Abstract

Objectives: Classical ketogenic diet (KD) and modified Atkins diet (MAD) are two types of KD commonly used for the treatment of intractable epilepsy throughout the world. Studies have shown the efficacy of these diets. However, no systematic review and meta-analysis study has to date compared the efficacy of KD and MAD in a time trend. Therefore, the objectives of the present study were to compare the short-term and long-term efficacy of classical KD and MAD in children and adolescents with epilepsy and to determine the efficacy of classical KD and MAD at multiple time points and in a time trend.

Methods: Main electronic literature databases, including MEDLINE/PubMed, Web of Science, Scopus, and EMBASE, were searched in November 2016. Rate difference and random effects model were used to compare the efficacy of the classical KD and MAD.

Results: Overall, 70 studies were eligible for inclusion. Meta-analysis revealed a non-significant trend toward a higher efficacy of MAD at month-3 and month-6 (P > 0.05). In the classical KD group, the percentage of responder patients achieving ≥50% seizure reduction was 62, 60, 52, 42, and 46% at month-1, 3, 6, 12 and 24 and for the MAD group was 55, 47, 42, and 29% at month-1, 3, 6, and 12, respectively.

Discussion: Classical KD does not differ substantially from MAD in ≥50% and ≥90% reduction of seizure frequency at month-3 and month-6. Overall, the number of patients achieving seizure freedom increases over time.

Keywords: Efficacy; Epilepsy; Ketogenic diet; Modified Atkins diet; Systematic review.

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