ArticleOrthopaedic journal of sports medicine2026
Screw Versus Suture Bridge Fixation for Medial Femoral Condyle Osteochondritis Dissecans Demonstrate Comparable Healing Rates.
Article in Orthopaedic journal of sports medicine, 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: Fixation of unstable medial femoral condyle (MFC) osteochondritis dissecans (OCD) lesions aims to achieve osseous union while preserving the articular cartilage. Suture bridge fixation has emerged as an alternative to bioabsorbable implants or metallic headless compression screws. Hypothesis: The authors hypothesized that rates of union, conversion to a secondary cartilage restoration procedure, and patient-reported outcomes would not differ significantly between screw and suture bridge fixation, with fewer implant-related complications after suture bridge fixation. Study Design: Cohort study; Level of evidence, 3. Methods: A cohort of consecutive patients at a single center with unstable MFC OCD lesions treated with metallic headless compression screws or suture bridge constructs was studied using prospectively collected data from the multicenter Research in Osteochondritis of the Knee (ROCK) registry. Inclusion required a minimum of 6-month follow-up. Patient and lesion characteristics and surgical variables were recorded. Radiographic and advanced imaging outcomes, including magnetic resonance imaging-based healing criteria, were assessed to determine union status. Reoperation, secondary articular surface changes, conversion to a secondary cartilage restoration procedure, and patient-reported outcomes were compared between groups. Results: A total of 69 lesions were included, with a mean patient age of 14.3 ± 2.4 years. Final union status and conversion rates to a secondary cartilage restoration procedure were similar between screw (17.2%) and suture bridge (20%) fixation ( Conclusion: Metallic headless compression screw and suture bridge fixation demonstrated comparable union rates, equivalent improvements in patient-reported outcomes, and no statistically significant difference in conversion to a secondary cartilage restoration procedure in unstable MFC OCD lesions. Suture bridge fixation allowed longer implant retention with reduced secondary articular surface damage.
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