The Effect of the Biopatch, a Chlorhexidine Impregnated Dressing, on Bacterial Colonization of Epidural Catheter Exit Sites
Why this work is in the frame
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Bibliographic record
Abstract
We performed a prospective, randomized study in 55 ASA I to 3 women undergoing elective gynaecological surgery followed by postoperative epidural analgesia. We compared the incidence of bacterial colonization at the epidural exit site following catheter removal between a control group and an experimental group who received a chlorhexidine impregnated dressing (Biopatch, Johnson and Johnson, Arlington, TX, U.S.A.). Positive culture results were found in 11 of 27 (40.1%) patients in the control group compared with one of 29 (3.4%) patients whose epidural catheters were dressed with the Biopatch. We concluded that the Biopatch was effective in reducing bacterial colonization of the epidural catheter exit site.
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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 it