Creutzfeldt-Jakob Disease Management of Accidental Contamination of Neurosurgical Instruments, Pathology Equipment, and Solutions
Bibliographic record
Abstract
To the Editor:We describe the measures taken to identify, triage, and decontaminate equipment and solutions following a brain biopsy on a previously unidentified case of Creutzfeldt-Jakob disease (CJD).Immediately after the neuropathologist notified the Infection Control Department of the positive histopathology for CJD, the Sterile Supply Department and Neurosurgical Operating Room staff reviewed the operating room records and determined that a ventriculogram set and a craniotomy set (including the Midas-Rex drill and bits and Roton dissectors) had been used.The washed equipment was located, along with other neurosurgical items, on a cart washer, awaiting sterilization.All potentially contaminated neurosurgical equipment processed with the CJD case was labeled "CJD Precautions," autoclaved at 134°C for 18 minutes, and isolated pending a decision regarding its fate.
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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 | 0.002 | 0.017 |
| Meta-epidemiology (narrow) | 0.001 | 0.001 |
| Meta-epidemiology (broad) | 0.001 | 0.001 |
| Bibliometrics | 0.001 | 0.001 |
| Science and technology studies | 0.002 | 0.001 |
| Scholarly communication | 0.002 | 0.002 |
| Open science | 0.002 | 0.001 |
| Research integrity | 0.037 | 0.019 |
| Insufficient payload (model declined to judge) | 0.003 | 0.002 |
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".