Seven‐day storage of random donor PLT concentrates
Bibliographic record
Abstract
BACKGROUND: PLT concentrates are licensed for use up to a maximum of 5 days of storage. Increasing storage to 7 days would improve the logistics of supply and have the potential to reduce wastage. STUDY DESIGN AND METHODS: PLTs were prepared from CP2D blood with standard procedures (n = 16) and then WBC-reduced. Sampling was carried out at 3, 5, and 7 days for PLT count, pH, aggregation to ADP and collagen, hypotonic shock response, Kunicki morphology score, thromboelastogram response, pO2, and pCO2, and PLT activation (CD62) was carried out by flow cytometry. Additionally, PLTs stored for 7 days were transfused into thrombocytopenic patients, and the CCI was calculated. RESULTS: Some of the in vitro tests such as the aggregation response to single stimuli showed decreased values with time. The hypotonic shock was well maintained for 7 days (77%-68%); the Kunicki morphology score showed progressive shape change (300 to 164). The CCI of 7-day PLTs averaged 16,000 (n = 9). CONCLUSIONS: The data indicate acceptable in vitro PLT function at 7 days. Transfusion of the 7-day-old CP2D PLTs resulted in an appropriate posttransfusion increment in thrombocytopenic patients. Random donor PLTs collected into CP2D can be successfully stored for 7 days before use.
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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".