When pure is not so pure: Chloramine‐related hemolytic anemia in home hemodialysis patients
Bibliographic record
Abstract
Worldwide, chloramines are used as the preferred disinfectant for city water supplies. Although they have distinct advantages compared with chlorine and are deemed harmless to the general population, hemodialysis (HD) patients are at risk from chloramine-induced hemolytic anemia. In recent years, this has been highlighted in regional dialysis units but not as frequently in the home HD group. We report on 2 home HD patients who succumbed to severe oxidative hemolysis due to high mains water chloramine concentrations. Both patients were extensively investigated for other cause of anemia before a definitive diagnosis was reached. Delays in diagnosing this uncommon condition can be costly in terms of significant morbidity and excessive usage of recombinant erythropoietin and blood transfusion. Prevention primarily involves enforcing strict water quality control and establishing regular communication with water supply boards and home HD patients. Double (inline) carbon filters should be installed in patient's homes as an effective means for removing high incoming chloramine concentrations.
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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) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.001 | 0.000 |
| Science and technology studies | 0.001 | 0.001 |
| Scholarly communication | 0.001 | 0.001 |
| 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".