ArticleOrthopaedic journal of sports medicine2025
Effect of ALPSA Tear Morphology on Redislocation Risk After Arthroscopic Repair.
Article in Orthopaedic journal of sports medicine, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed.
- Evidence-Based Risk Factors for Failure of Arthroscopic Labral Repair.Current reviews in musculoskeletal medicine · 2026Review
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Authors and funding
7 authors.
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Abstract
Background: Recent studies have emphasized the importance of lesion location and tear structure for understanding Bankart lesions; however, knowledge on anterior labroligamentous periosteal sleeve avulsion (ALPSA) lesion characteristics in anterior shoulder instability remains limited. Purpose: To evaluate the prevalence of various ALPSA lesion patterns and their effect on redislocation rates after labrum repair. Study Design: Case-control study; Level of evidence, 3. Methods: Patients with ALPSA lesions who underwent arthroscopic labrum repair between 2015 and 2022 were retrospectively evaluated. Labrum tears were categorized into specific positions: isolated ALPSA lesions (3- to 5-o'clock position), ALPSA lesions with tears extending to the 1 o'clock position (1- to 5-o'clock position), and ALPSA lesions with tears extending into other positions. In addition, transverse tears that disrupted the circular continuity of the labrum were defined as radial tears. Patients were categorized as having no dislocated lesions or having redislocated lesions based on postoperative redislocation history. Descriptive data, tear extensions, radial tears, and patient-reported outcome measures (PROMs) were compared between the 2 groups. Results: The study included 178 patients (mean age, 25.7 ± 7.1 years), with a mean follow-up of 69.4 ± 27.2 months. Of these patients, 35 experienced lesion redislocation, while 143 patients did not experience lesion dislocation. In patients with no lesion dislocation, 43% of lesions were located in the 1- to 5-o'clock position, 36% in the 3- to 5-o'clock position, and 21% in other locations; in patients with lesion redislocation, 60% of lesions were observed in the 3- to 5-o'clock position, 29% in the 1- to 5-o'clock position, and 11% in other locations ( Conclusion: The present study demonstrated that an isolated ALPSA lesion at the 3- to 5-o'clock position and the presence of radial tears were independent factors increasing the risk of redislocation after arthroscopic ALPSA repair.
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