ArticleOrthopaedic journal of sports medicine2025
Cortical Tibial Press-Fit Fixation Demonstrates Comparable Biomechanical Performance With Interference Screw Fixation in ACL Reconstruction: A Porcine Model Biomechanical Study.
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 2 papers.
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2 citing papers in PubMed.
- Periosteum-enhanced triple-pass Krackow stitch provides higher ultimate load than conventional Krackow methods in a bovine patellar tendon model: a controlled biomechanical study.BMC musculoskeletal disorders · 2026Article
- Anterior cruciate ligament reconstruction combined with anterolateral ligament reconstruction using hamstring autograft versus anterior cruciate ligament reconstruction using bone-patellar tendon-bone autograft: a randomised controlled trial with 5-year follow-up.The Lancet regional health. Europe · 2026Article
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7 authors.
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Abstract
Background: The optimal graft choice and fixation technique remain a topic of ongoing debate in both primary and revision anterior cruciate ligament (ACL) reconstruction (ACLR). Cortical tibial press-fit fixation offers known advantages such as eliminating the need for hardware, thereby reducing cost and avoiding complications related to implants, while also potentially minimizing bone tunnel enlargement. Purpose: To investigate the time-zero biomechanical properties (cyclic displacement, stiffness, and load to failure) of cortical tibial press-fit technique using bone-patellar tendon (BPT) graft for ACLR and compare with metal interference screw fixation to determine the potential clinical benefit of this technique. Study Design: Controlled laboratory study. Methods: A total of 24 skeletally mature porcine knees were used. After determining the bone mineral density (BMD) of each specimen, the specimens were randomly assigned to their respective groups. One group underwent interference screw (9 mm-diameter × 25 mm-length) fixation using a BPT autograft, while the other group underwent implant-free cortical tibial press-fit fixation. Biomechanical testing included 3 loading phases: (1) preconditioning (10-50 N for 10 cycles); (2) submaximal cyclic loading (50-200 N for 1500 cycles); and (3) load to failure testing at a 20 mm/min loading rate. Groups were compared for stiffness, cyclic displacement and ultimate load to failure using Mann-Whitney Results: Both groups of specimens showed similar BMD characteristics ( Conclusion: In this porcine patellar tendon ACLR tibial fixation model, cortical tibial press-fit fixation provided adequate primary stability, demonstrating similar cyclic displacement, construct stiffness, and ultimate load characteristics compared with interference screw fixation. Clinical Relevance: Cortical tibial press-fit technique may represent an effective method for ACLR.
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