Optimizing Outcomes of Open Thoracoabdominal Aortic Aneurysm Repair
Bibliographic record
Abstract
Open thoracoabdominal aortic aneurysm (TAAA) repair is a high-risk surgery associated with significant morbidity and mortality.It can be difficult to accumulate experience managing open TAAA repairs due to the low volume of cases and the increasing popularity of endovascular approaches.It is important to review management strategies for these challenging cases as clinical situations remain for which an open repair is preferred.Recent advances now allow for distal aortic perfusion during an off-pump open thoraco abdominal aortic aneurysm repair.This approach is not without risks and a clear, team based, plan is essential for successful management.Key considerations include managing co-morbidities, spinal cord protection, prevention of ischemia (coronary, cerebral, visceral, and peripheral), renal protection, massive transfusion, rapid hemodynamic changes, acidosis, coagulopathy, one lung ventilation, and postoperative pain control.In this case report, we detail an offpump perioperative approach involving retrograde aortic perfusion, transesophageal echocardiography, and multiple spinal cord protective strategies which resulted in a favorable patient outcome.
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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 | 0.001 | 0.003 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.001 | 0.000 |
| Science and technology studies | 0.001 | 0.000 |
| Scholarly communication | 0.001 | 0.000 |
| Open science | 0.000 | 0.001 |
| Research integrity | 0.000 | 0.001 |
| Insufficient payload (model declined to judge) | 0.001 | 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 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".