Capnothorax During Laparoscopy in Trendelenburg Position: A Rare Case Study
Bibliographic record
Abstract
Pneumothorax is an infrequent complication of laparoscopic surgery. Most cases occur during upper abdominal surgery, since a head-down position (Trendelenburg) pushes the liver and peritoneum against the diaphragm, reducing gas release. When it is due to CO2 diffusion across congenital diaphragmatic defects, it usually resolves itself spontaneously after de-insufflation of the pneumoperitoneum. Increasing positive end-expiratory pressure to counteract intra-abdominal pressure is an effective measure when a pulmonary origin is excluded. We report a case of right-sided hypertensive capnothorax due to a diaphragmatic defect, during lower abdominal surgery, which was successfully managed without the need for chest drainage. This case highlights the importance of maintaining active vigilance and a high index of suspicion for pneumothorax during laparoscopic surgery.
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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 | 0.000 | 0.004 |
| Meta-epidemiology (narrow) | 0.002 | 0.001 |
| Meta-epidemiology (broad) | 0.001 | 0.001 |
| Bibliometrics | 0.003 | 0.002 |
| Science and technology studies | 0.003 | 0.002 |
| Scholarly communication | 0.002 | 0.002 |
| Open science | 0.001 | 0.002 |
| Research integrity | 0.004 | 0.003 |
| Insufficient payload (model declined to judge) | 0.003 | 0.001 |
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".