Hyponatremia in Patients Undergoing CAPD: Role of Water Gain and/or Malnutrition
Bibliographic record
Abstract
BACKGROUND: Hyponatremia has a number of different causes; some may have serious untoward implications for patients undergoing chronic ambulatory peritoneal dialysis (CAPD). OBJECTIVE: To determine the pathophysiology of hyponatremia in patients on CAPD. METHODS: A retrospective analysis was carried out on 210 patients on CAPD. We selected patients with 2-4 consecutive periods when the plasma sodium concentration was < or =130 mmol/L and again when it was > 133 mmol/L. Exclusion criteria included hyperglycemia, orthostatic hypotension, edema, and inadequate records. RESULTS: An electrolyte-free water gain appeared to be the main cause of hyponatremia in only 1 of 5 patients because this was the only patient with a significant increase in body weight. In 1 patient, there was weight loss in the hyponatremic period, suggesting tissue catabolism was present. In 3 patients, there was neither weight gain nor evidence for a contracted extracellular fluid volume in the hyponatremic period, suggesting that intracellular potassium and phosphate loss could be the major mechanism for their hyponatremia. CONCLUSION: When hyponatremia is due to a catabolic state, its management should aim to restore intracellular fluid composition (i.e., to correct malnutrition).
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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".