Reversal of Stroke-Like Episodes With L-Arginine and Meticulous Perioperative Management of Renal Transplantation in a Patient With Mitochondrial Encephalomyopathy, Lactic Acidosis and Stroke-Like Episodes (MELAS) Syndrome. Case Report
Bibliographic record
Abstract
) presented with SLEs at ages 8 and 10 yrs. At 11 yrs, he suffered a third SLE involving left parietotemporal lobes with dense right hemiplegia and aphasia persistent for 1 week without improvement. On high dose IV L-Arginine (L-Arg) (0.5 g/kg/day divided TID) he had rapid recovery within 48 hours and was rapidly weaned. With emesis of oral L-Arg, his SLE recurred and he was again treated with high dose IV L-Arg with similar rapid recovery and discharged on a slow wean over 6 wks to 0.1 g/kg/day. On maintenance L-Arg he suffered only 2 SLEs at ages 13 and 16 yrs; both resolved rapidly with high dose IV L-Arg without recurrence during a slow wean to maintenance. His phenotype included seizures, ptosis, ophthalmoplegia, facial diplegia, sensorineural hearing loss, ataxia, myopathy, exercise intolerance, peripheral sensorimotor neuropathy, hypertrophic cardiomyopathy, hypertension, and failure to thrive. At 16 yrs he developed end-stage renal disease, due to MELAS, requiring hemodialysis and at 17 yrs he underwent cadaveric renal transplantation. His peri-operative protocol included strict maintenance of perfusion, oxygenation, normothermia, biochemical homeostasis and serum arginine concentrations during which time there were no neurologic decompensations. He was transitioned to oral L-citrulline maintenance therapy which maintained higher serum arginine concentrations with better tolerance. He had no SLEs or seizures in the ensuing 2 yrs.
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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 | 0.000 |
| 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".