Lobar Torsion Following Open Repair of Type B Aortic Dissection and Thoracoabdominal Aortic Aneurysm in a Patient with Marfan Syndrome
Bibliographic record
Abstract
Introduction: Lobar torsion is a rare, challenging diagnosis that requires a high index of suspicion and prompt investigation and management. Detection and urgent fixation or lung resection are critical to avoid catastrophic sequelae of lung necrosis, bronchopleural fistulae, and death. Report: A case of lobar torsion following open repair of a type B aortic dissection and thoraco-abdominal aortic aneurysm in a patient with Marfan syndrome is presented. After a non-specific constellation of symptoms, the diagnosis was confirmed with computed tomography and bronchoscopic findings and the patient underwent detorsion and plication of a torted, yet viable, left upper lobe on post-operative day 6. The patient is currently being followed with serial imaging to follow a necrotic consolidation of the left upper lobe. Discussion: This was a case of lobar torsion in a patient with Marfan syndrome and the degree of connective tissue disease may have predisposed the patient to this rare surgical complication. The case presents a challenging dilemma due to the risks associated with exposing a synthetic aortic graft to a potentially infected space if lobar resection or a pneumonectomy was performed.
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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".