Percutaneous Plating of the Proximal Humerus
Bibliographic record
Abstract
Percutaneous plating was developed in an attempt to address the issues of humeral head necrosis associated with open reduction through an extensive approach and insufficient primary stability associated with previous attempts at limited exposure with minimal internal fixation. Our minimally invasive approach consists of 2 separate mini-incisions. The proximal incision is a direct anterolateral deltoid-splitting approach of <5 cm that exposes the humeral head and tuberosities. The distal incision of 1 to 2 cm exposes the humeral shaft and distal part of the plate. Before plate insertion underneath the deltoid, the axillary nerve must absolutely be identified and protected to prevent entrapment. The block guide attachment to the plate cannot be safely used as it stretches directly the nerve at the distal edge. With our approach, indirect reduction techniques are needed to achieve good reduction. Ideal fracture types include 2-part surgical neck fractures, isolated greater tuberosity fractures, and all valgus-type injuries. With increased experience, indications can be extended to many 3-part fractures and some 4 parts. Good outcomes can be expected if patients are well selected.
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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 | 0.000 |
| 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) | 0.000 | 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".