Healing time of radial forearm free flap donor sites after preoperative tissue expansion: randomized controlled trial.
Bibliographic record
Abstract
OBJECTIVE: The objective of this study is to test the hypothesis that using a simple and inexpensive preoperative tissue expansion device for radial forearm free flap donor sites will result in a significant reduction in healing time and reduced postoperative pain compared to unexpanded radial forearm free flap donor site skin. METHODS: Twenty-nine patients were enrolled and randomized to either the treatment (tissue pre-expansion) or the control group. An intention-to-treat analysis was used. Healing time was recorded for all patients. The Short Form McGill Pain Questionnaire was used to record arm pain and overall surgical pain 1 week postsurgery. RESULTS: The mean (95% CI) healing time was 5.7 (3.9-7.6) days for the treatment group and 32.5 (12.2-53.0) days for the control group (p < .001). Overall surgical pain (p < .001) was significantly lower in the treatment group. There was no significant difference in donor site arm pain (p < .2). CONCLUSION: Using a simple, noninvasive method of preoperative tissue expansion results in both clinically and statistically significant reductions in healing time and postoperative pain.
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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 | 0.002 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.002 | 0.001 |
| Bibliometrics | 0.000 | 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) | 0.001 | 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 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".