ArticleBMC musculoskeletal disorders2025
Transosseous all-suture anchor fixation for bony Bankart lesions: a biomechanical study.
Article in BMC musculoskeletal disorders, 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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Who cites it
1 citing paper in PubMed.
- Round versus tape sutures with interference fit anchors perform similarly in cadaveric glenoid and greater tuberosity biomechanical testing.Archives of orthopaedic and trauma surgery · 2026Article
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6 authors.
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Abstract
backgroundThe use of all-suture anchors (ASA) for treating bony Bankart lesions remains challenging because of the limited availability of cortical bone for secure fixation. In this study, the mechanical properties of transosseous ASA fixation, wherein the anchor is placed through the far cortex, were compared with those of metallic suture anchors and standard ASA fixation.
methodsFor this controlled experimental study, 24 suture anchors were inserted into 12 synthetic scapulae with simulated bony Bankart lesions, with two anchors placed in each scapula. The scapulae were randomly assigned to Group A (two 2.7-mm metallic anchors), Group B (two 1.3-mm ASAs secured through standard fixation), or Group C (two 1.3-mm ASAs secured transosseously). For biomechanical analysis, a 5 N preload was applied for 2 min, followed by cyclic loading from 5 to 25 N at 1 Hz for 100 cycles. In addition, a load-to-failure test was conducted at a rate of 60 mm/min. Displacement, stiffness, ultimate failure load, and failure mode were recorded.
resultsThere were no significant differences and low correlations in biomechanical properties between the two anchors placed in each scapula. Nor significant intergroup differences were noted in cyclic displacement or linear stiffness. Group C exhibited a significantly higher (P < 0.001) ultimate failure load (176.8 ± 32.7 N) than did with Group A (104.4 ± 17.5 N) and Group B (83.0 ± 10.8 N). All failures resulted from anchor pullout, except for two cases in Group C, where deformed suture balls were observed without pullout.
conclusionCompared with metallic suture anchors and standard ASA fixation, transosseous ASA fixation significantly improved the maximum failure load in a bony Bankart lesion model, without increasing cyclic displacement. LEVEL OF EVIDENCE: Basic Science Study; Biomechanics.
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