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Super-refractory status epilepticus (SRSE) is extremely difficult to control and associated with poor outcomes. Ketogenic diet (KD) has been increasingly used for SRSE treatment. Enteral ketosis induction in SRSE is sometimes unfeasible, leading to the use of parenteral KD which has limited data among children.To assess the effectiveness of KD and compare parenteral and enteral ketosis induction as treatment options in pediatric SRSE patients.This study is a retrospective medical record review of children15 years old diagnosed with SRSE who received KD as one of the treatment modalities during 2007-2021 at King Chulalongkorn Memorial Hospital, Thailand.KD was used in 14 (77.8%) of the 18 pediatric SRSE cases whose age ranged from 2 months to 13.5 years. The leading etiologies of SRSE were immune-mediated encephalitis, infectious encephalitis, and epilepsy. Ketosis was induced via enteral route (kEN) in 8/14 and parenteral route (kPN) in 6/14 cases. The median time from the onset of SRSE to KD initiation was 6 days (IQR 4.8-9.3) with no demonstrable difference between groups. The median time to achieve significant ketosis was significantly shorter in the kPN (2 days; IQR 1.8-4) compared to the kEN group (5 days (3.3-7.8)). Nonetheless, the median time after ketosis induction to SRSE termination when anesthetic infusion was stopped was not statistically difference between the kPN (14 days; IQR 8.5-18) and the kEN group (10.5 days (5.5-15.3)). Hypertriglyceridemia was found more in the kPN (6/6, 100%) compared to the kEN group (3/8, 37.5%). All survivors (12/14) were seizure free at discharge.Parenteral ketosis induction achieved the target ketosis quicker than enteral induction but showed no difference in efficacy and duration for SRSE termination in our study. The adverse effects were minimal and controllable. Both parenteral and enteral KD could be considered early during SRSE treatment. |
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