Acute hemodialysis in a young man with severe symptomatic hyponatremia and kidney injury
Bibliographic record
Abstract
A 35-year-old man presented with severe hypo-osmolar hyponatremia (serum sodium 99 mmol/L), profound nonoliguric renal failure (serum creatinine 1240 μmol/L), and nephrotic range proteinuria. Computed tomography of the abdomen revealed nephromegaly and no obstruction. The patient was admitted to the intensive care unit (ICU) and conventional hemodialysis was initiated. To avoid rapid sodium correction, we prescribed concurrent dialysate flow, a low dialysate sodium concentration, a small surface area dialyzer, and a low blood flow rate. We infused dextrose 5% water into the venous return line and adjusted the infusion rate according to hourly sodium concentration. The rate of sodium correction was 7.7 mmol/day over the first 3 days of admission. A subsequent renal biopsy revealed focal segmental glomerulosclerosis and interstitial infiltration with extranodal NK/T-cell lymphoma nasal type. The patient died of massive lower gastrointestinal bleeding secondary to lymphomatous involvement day 19 in the ICU. In the setting of acute kidney injury requiring renal replacement therapy and concomitant severe hyponatremia, it is challenging to avoid overcorrection of serum sodium. We describe several key prescription modifications to conventional hemodialysis, factors that affect sodium diffusion at the level of the dialyzer membrane, and the importance of frequent laboratory monitoring.
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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 | 0.001 | 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) | 0.001 | 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 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".