Significance of Candida recovered from intraoperative specimens in patients with intra-abdominal perforations
Why this work is in the frame
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Bibliographic record
Abstract
OBJECTIVE: Determine the significance of recovering yeasts from intraoperative specimens from the abdominal cavity and to evaluate the effect of a single intraoperative dose of fluconazole on clinical outcome in patients with intra-abdominal perforations. DESIGN: Prospective, randomized, double-blind study. SETTING: Multicenter study from 13 hospitals in Norway. PATIENTS: One hundred nine patients with intra-abdominal perforations. INTERVENTIONS: Patients were randomized to receive either a single 400-mg fluconazole dose or placebo during the operation. MEASUREMENTS AND MAIN RESULTS: An intra-abdominal specimen for microbiological culture was obtained at the time of the operation. The primary response variable in the study was death. Secondary response variables were three parameters indicating a complicated postoperative period: mechanical ventilation for > or = 5 days, intensive care treatment for > or = 10 days, and use of a central venous catheter for > or = 10 days. Yeasts were recovered from a intraoperative intra-abdominal specimen from only 1 (3.5%) of 28 patients with perforated appendicitis and from 32 (39.5%) of 81 nonappendicitis patients. Excluding the appendicitis patients, the yeast recovery rate was high both for patients hospitalized at the time of the perforation (45%) and for nonhospitalized patients (32%). The overall mortality was 11% (12 patients). Single-dose intraoperative fluconazole prophylaxis did not reach a statistically significant effect on mortality (4 of 53 patients in the fluconazole group and 8 of 56 patients in the placebo group died [p = .059]). The only two explanatory variables significantly related to death were a intraoperative finding of yeast from an intra-abdominal specimen and the occurrence of a spontaneous perforation in a patient already hospitalized for nonsurgical cancer treatment. Detection of yeast was also a significant explanatory variable for a prolonged period of mechanical ventilation, intensive care treatment, and prolonged use of a central venous catheter. CONCLUSIONS: Single-dose intraoperative fluconazole prophylaxis did not have a statistically significant effect on overall mortality (odds ratio = 0.21; 95% confidence interval, 0.04-1.06; p = .059) in patients with intra-abdominal perforation. The recovery rate of yeast from intraoperative specimens from the abdominal cavity was high (>30%) and was associated with death and a complicated postoperative course.
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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 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.001 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.003 | 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