Videothoracoscopic silver nitrate pleurodesis for primary spontaneous pneumothorax: an alternative to pleurectomy and pleural abrasion?
Bibliographic record
Abstract
BACKGROUND: The optimal surgical management of primary spontaneous pneumothorax (PSP) is still controversial, especially in terms of the technique to be used. The aim of this paper was to report our experience of videothoracoscopic silver nitrate pleurodesis (VATSNP). METHODS: Between 1995 and 2004, all the medical records of the patients who had undergone silver nitrate videothoracoscopic pleurodesis (SNVTP) were reviewed. All the patients had systematic prospective clinical and radiological follow-up at 1 month. The last 250 patients were retrospectively recontacted for long-term follow-up. RESULTS: Six hundred and three patients underwent SNVP. No intra-operative death or major complication occurred during or after the procedures. Mean operating time was 40.2+/-10.7 min. The conversion to thoracotomy rate was 2.5%. Main postoperative complications were prolonged air leak (15.6%), partial residual pneumothorax (5.1%), pleural effusion (2.5%) and postoperative bleeding (2.0%). The follow-up was 100% complete 1 month after discharge; at 1 month, the recurrence rate was 0.5%. The last 250 patients were retrospectively recontacted with a mean follow-up of 2.9+/-2.3 years (184 patients). The long-term recurrence rate was 1.1%. CONCLUSIONS: It is one of the first reports on the use of video-assisted thoracoscopic silver nitrate pleurodesis for PSP. We demonstrate safety and effectiveness of the procedure with long-term results comparable with standard open pleural abrasion or pleurectomy.
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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 | 0.006 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.001 |
| Bibliometrics | 0.001 | 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 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".