Neonatal hypoglycaemia in severe succinyl‐CoA:3‐oxoacid CoA‐transferase deficiency
Bibliographic record
Abstract
Succinyl-CoA: 3-oxoacid CoA-transferase (SCOT) deficiency is an inborn error of ketone body utilization, characterized by intermittent ketoacidotic crises and persistent ketosis. The diagnosis was suspected in a patient who presented with hypoglycaemia, ketoacidosis and coma at 4 days of age. The hypoglycaemic tendency was only observed during the first month of life. A novel macromolecular labelling assay in cultured skin fibroblasts using D-3-hydroxy[3-14C]butyrate supported the diagnosis. Subsequently, 9% residual SCOT activity and undetectable cross-reactive protein were noted in fibroblasts and the patient was found to be homozygous for the G324E SCOT gene mutation. By 7 years of age, recurrent episodes of ketoacidosis superimposed on persistent hyperketonaemia had resulted in over 25 hospitalizations requiring intravenous fluid, glucose and sodium bicarbonate therapy. He has had normal growth but developmental delay and attention deficit-hyperactivity disorder. A continuous intravenous glucose infusion at 38 microlmol (6.8 mg)/kg per min reduced plasma total ketone levels from greater than 1.5 mmol/L to less than 0.5 mmol/L after 48 h. This indicates that patients with SCOT deficiency do not always manifest ketosis with administration of a sufficient amount of carbohydrates, but that even under such conditions hyperketonaemia is difficult to eliminate completely. The presence of hypoglycaemia does not exclude the diagnosis of SCOT deficiency in infancy.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.002 |
| Meta-epidemiology (narrow) | 0.001 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.001 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.001 | 0.001 |
| Insufficient payload (model declined to judge) | 0.001 | 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 source (direct Gemma or distilled Codex), 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".