Mid- to long-term results of postoperative immobilization in internal vs. external rotation after arthroscopic anterior shoulder stabilization
Bibliographic record
Abstract
Background There is still a disagreement on the postoperative rehabilitation concerning position of immobilization of the shoulder after arthroscopic anterior shoulder stabilization and its influence on the clinical outcome. The aim of this study was to evaluate the clinical results and the recurrence rate after arthroscopic anteroinferior shoulder stabilization and postoperative immobilization in internal rotation vs. external rotation. Methods Twenty-five patients (22 male and 3 female, mean age 28.5 years) were included in this prospective nonrandomized cohort study. In group I (11 male, 2 female, mean age 28 years), the postoperative functional immobilization was carried out in internal rotation of 60°, and in group II (11 male, 1 female, mean age 30 years), 15° of external rotation of the arm for 4 weeks in both groups. The clinical follow-up was performed at 2, 4, and 6 weeks as well as at 3, 6, and 12 months postoperatively including assessment of range of motion and functional shoulder scores (Subjective Shoulder Value, Constant score, Rowe score, Walch Duplay score, Melbourne Instability Shoulder Score). Furthermore, shoulder instability was evaluated using the apprehension, relocation, and surprise tests. Mid-term follow-up data were additionally assessed after a minimum of 4 years. Results Twenty patients (19 male and 1 female) with an average age of 28 years were followed up for 62 (53-72) months after arthroscopic stabilization. The comparison of both groups showed almost equal results regarding the range of motion without any significant differences ( P > .05). The evaluation of the shoulder function scores also showed no significant differences with an average Subjective Shoulder Value of 95% vs. 91%, Constant score of 89 vs. 88 points, Rowe score of 96 vs. 94 points, Walch Duplay score of 86 vs. 89 points, Melbourne Instability Shoulder Score of 96 points, and Western Ontario Shoulder Instability Index of 88% vs. 84% ( P > .05). There was no recurrent dislocation in both groups. Conclusion The type of immobilization after arthroscopic shoulder stabilization does not influence the clinical results after a mid- to long-term follow-up.
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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) | 0.001 | 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".