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D.01 Earlier treatment with the Ketogenic Diet improves seizure outcome in early-onset drug-resistant epilepsy

  • M Irwin (a1), S Aimola (a1), H Lowe (a1), Y Liu (a1), M Zak (a1), V Chan (a1), J Kobayashi (a1) and EJ Donner (a1)...

Abstract

Background: The ketogenic diet (KD) is used to treat severe childhood-onset epileptic encephalopathies, such as Infantile Spasms (IS). Unfortunately, limited resources for KD initiation result in treatment delays. We ask if earlier KD treatment of early-onset drug-resistant epilepsy results in better seizure outcomes. Methods: Children who started KD before age 4 years between 2000-present at SickKids Hospital were identified. Six-month seizure outcome was calculated as percent of pre-diet baseline seizure frequency (BSF). Results: 67 children were identified. 30 (44.8%) started KD <2 years old, 37 (55.2%) started KD 2-4 years old. Among <2 years old group, 83.3% achieved 50% reduction in BSF and 36.7% achieved 90% reduction. Among 2-4 year old group, 62.2% achieved 50% reduction in BSF and 24.3% achieved 90% reduction. 38 children had a history of IS; 17 with IS at diet initiation and 21 with past history of IS. 41.2% of the spasms cohort achieved 90% reduction in BSF, compared to 23.8% of the post-spasms cohort. Conclusions: KD was more effective when started before age 2 years than 2-4 years, and more effective in children with IS than in children with past history of IS. A rapid protocol for KD initiation in young infants and children may improve long-term outcomes

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D.01 Earlier treatment with the Ketogenic Diet improves seizure outcome in early-onset drug-resistant epilepsy

  • M Irwin (a1), S Aimola (a1), H Lowe (a1), Y Liu (a1), M Zak (a1), V Chan (a1), J Kobayashi (a1) and EJ Donner (a1)...

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