Pleuropulmonary complications of PVL‐positive <i>Staphylococcus aureus</i> infection in children
Bibliographic record
Abstract
UNLABELLED: It is increasingly recognized world-wide that Panton-Valentine leukocidin (PVL)-positive Staphylococcus aureus (PVL-SA) is associated with a highly aggressive and often fatal form of community-acquired pneumonia. We report four children who presented with severe pleuropulmonary complications due to infection by community-acquired methicillin-sensitive S. aureus (CA-MSSA), producing PVL toxin. The complications included bilateral multilobular infiltrates, pneumatocoeles, recurrent pneumothoraces, pleural effusion, empyema, lung abscess and diaphragmatic paralysis. This case series highlights the diverse pleuropulmonary manifestations of this potentially lethal infection and the importance of heightened awareness, early recognition and aggressive therapy. CONCLUSION: Complicated pneumonia in a previously fit young patient with a history of preceding 'flu-like' illness or skin/soft tissue infection should raise the suspicion of infection by PVL-positive Staphylococcus aureus (PVL-SA). Severe pleuropulmonary complications are a feature of this disease.
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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 | 0.001 |
| 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".