ArticleFrontiers in surgery2026
Estimation of safe zones for suture anchor placement in arthroscopic hip labral repair.
Article in Frontiers in surgery, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Background: During arthroscopic labral repair, anchors are inserted into the acetabular rim between 10- and 4-o'clock via multiple portals. This study evaluates Methods: In stage one, 11 patients (22 hips) underwent skin marking of surface portals followed by 0.625 mm CT acquisition; Mimics reconstructed the bony model, and Autodesk Maya simulated anchor trajectories to define a preliminary safety zone. In stage two, six formalin-fixed specimens (12 hips) were equipped with 3-D-printed, patient-specific guides after portal marking, dissected, and instrumented at 10-4 o'clock positions. Anchors inserted via anterior, anterolateral, and DALA portals validated the virtual safety map, after which the refined data were applied prospectively in clinical application. Results: Virtual anchoring revealed marked, position-dependent differences: the DALA portal at 12-o'clock achieved only 50.0% success, significantly below the anterolateral (86.4%) and anterior (90.9%) portals ( Conclusion: For arthroscopic labral repair, anchor placement should follow these portal-specific safe corridors: anterior portal-10, 11, 12, 1, 2, and 4 o'clock; anterolateral portal-10, 11, 12, and 2 o'clock; DALA portal-10, 11, 2, 3, and 4 o'clock.
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