EFFECT OF LOCATION AND BONE GRAFT REMODELING ON RESULTS OF BRISTOW-LATARJET PROCEDURE
Bibliographic record
Abstract
Introduction. Operation Bristow-Latarjet proved itself as one of the most effective and predictable surgical treatments. despite its widespread use, there are various complications associated with improper installation of the bone block and the violation of its remodeling.Objective: To obtain new data on the effect of location and remodeling of bone graft block on functional outcome and stability of the shoulder joint in patients with recurrent anterior instability after the operation Bristow-latarjet.Material and methods. The material for the study served as the analysis of results of treatment of 64 patients with posttraumatic recurrent anterior shoulder dislocation who underwent Bristow-latarjet operation. postoperatively, assessed a provision and the degree of bone remodeling unit according to computed tomography in the sagittal, axial slices, and through 3d modeling. To evaluate the functional outcome scale were used western Ontario Shoulder Index (wOSI) and Rowe scale.Results. At the level of the articular surface (congruent or flattening) in the axial plane were 89% bone blocks, too medially or laterally arranged 9% and 2% grafts, respectively. On sagittal cT images in the middle third of the articular surface of the scapula was located 28% of the bone blocks at the bottom 60%, in the upper third of 12%. Analysis of the dependence of the results of treatment of graft positioning showed that patients with excellent and good summary on the scale WOSI and Rowe, had a correct location of the bone block in the middle and lower third of the articular process of the blade. It can be assumed that excessive lateralized or medialized bone block position in the axial plane of a more profound effect on the outcome than cranial displacement of the latter with the sagittal plane. Bony union of the graft was found by CT in 74% of cases, soft tissue 26%, the degree of resorption of the graft revealed 0-1 84% 2-3 degree in 26% of cases. In the last periods of the investigation summary measure according to the scales WOSI and Rowe after Bristow surgery was 80±5 and 450±50 points, after Latarjet surgery 80±5 and 430±60 points. (p0,05).Conclusion. Positioning bone graft block affected the results of operations Bristow-Latarjet. Patients with excellent and good summary on the scale WOSI and Rowe had a correct location of the bone block relative to the articular surface of the scapula. The best overall performance on scales wOSI and Rowe were observed in patients with the fusion of the bone graft and block bone resorption does not exceed 0-1 degree compared with patients having soft tissue fusion and resorption 2-3 degree.
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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".