Modified Incision for Muscle-sparing Latissimus Dorsi to Increase Flap Perfusion in the Morbidly Obese
Bibliographic record
Abstract
The muscle-sparing latissimus dorsi flap relies on perforators from the descending branch of the thoracodorsal artery. Previous descriptions placed a transverse skin island independent of perforator location, as any design was thought to capture enough perforators to ensure flap survival. We have found this approach prone to complications when attempting breast reconstruction in obese patients who require large flap volumes. Although the most proximal perforators have the most reliable blood flow, inclusion of these perforators reduces the arc of rotation, as the flap would be close to the pivot point at the most cranial point of muscle division, leaving significant volume in the axilla. Here we describe a modified skin incision that includes all of the proximal perforators but also allows us free design of the skin island to harvest those areas of the back with maximal subcutaneous tissue and with enough distance from the pivot point to optimize arc of rotation.
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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 | 0.000 |
| Meta-epidemiology (narrow) | 0.001 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.001 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.001 |
| Open science | 0.000 | 0.001 |
| Research integrity | 0.001 | 0.001 |
| 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".