Is a Fast Necessary When Initiating the Ketogenic Diet?
Bibliographic record
Abstract
The purpose of this study was to determine time of onset of ketosis and efficacy when the classic ketogenic diet is initiated at full calories without a prior fast in children with epilepsy. A retrospective hospital and neurology clinic chart review was done of all 14 children commenced on the classic ketogenic diet at full calories without a prior fast between January 1, 1997, and May 31, 2001, to determine time to ketosis, time to good ketosis (urine ketones > or =80 mg/dL), and success of the ketogenic diet. Median age at diet initiation was 63 months (25th-75th percentile 47-149 months). There were 7 girls and 7 boys. Four had symptomatic generalized epilepsy, whereas the remainder had partial seizures +/- secondary generalization. Twelve of 14 children suffered seizures on a daily basis prior to the ketogenic diet. Six were commenced on the diet as outpatients, whereas 8 were admitted to hospital. No patients were fasted. All admitted patients were started on a 1:1 ketogenic ratio at full calories for the first 24 hours and advanced to a 3:1 or 4:1 ratio over 3 to 4 days, while outpatients were started on a 1:1 or 2:1 ratio and similarly advanced. Thirteen of 14 patients were successfully started on the diet, with 1 developing vomiting and food refusal during the initial hospitalization but after ketosis was established. One child was lost to follow-up after initial hospital discharge. Information regarding time to ketosis was determined for all inpatients. Mean time to onset of ketosis was 33 hours (range 17 to 48) and to good ketosis, 58 hours (range 40 to 84). Five of 12 children (42%) experienced success with the ketogenic diet, and all of these had their antiepileptic medications either withdrawn (n = 3) or decreased (n = 2). The ketogenic diet can be effectively initiated without a fast in children with epilepsy. Time to ketosis and diet efficacy are similar to protocols that use a fast.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".