What is the Ideal Replacement for the Scapholunate Ligament in a Chronic Dissociation?
Bibliographic record
Abstract
An ideal replacement for the scapholunate ligament has not been found. The carpometacarpal bone-ligament-bone complex at the base of the third metacarpal can be used as a replacement for the scapholunate ligament. A cadaveric study of matched scapholunate ligament and third metacarpal-capitate was carried out. Data for stiffness and strength were obtained from fresh frozen specimens tested to failure with a hydraulic distractor. The third metacarpal-scaphoid ligament most closely approximated the stiffness and the strength of the scapholunate ligament. Operative replacement of the scapholunate ligament with the third metacarpal-scaphoid replacement was accomplished. Clinically, the performance of the operation is facile and, in the present study, was not associated with increased morbidity or duration of surgery compared with other options. This study indicates that the third carpometacarpal ligament approximates the mechanical properties of the scapholunate ligament and is a good alternative for replacement surgery.
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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) | 0.000 | 0.000 |
| 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".