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June 5, 2026Knee Surgery Sports Traumatology Arthroscopy

The critical 3‐ to 6‐month period of quadriceps tendon graft remodelling following ACL reconstruction: Implications for safe return to sport

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Authors

MSMagdalena StawińskaMPMarcın PlenzlerBCBeata Ciszkowska-Lyson

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Overview

Randomized trial evaluates MRI signal intensity changes in quadriceps tendon grafts post-ACL reconstruction, suggesting careful monitoring for safe return to sport.

Key Points

  • The aim is to evaluate the changes in MRI signal intensity of quadriceps tendon grafts during healing after ACL reconstruction.
  • Cohort of 75 patients analyzed for MRI signal intensity at 3, 6, 9, and 12 months post-operatively.
  • APR calculated for proximal, middle, and distal regions of the graft.
  • Used Medacta Anatomic Ribbon Surgery technique for ACL reconstruction.
  • Median signal intensity increased between 3 and 6 months, then declined.
  • The distal segment had a consistently higher APR at all time points.
  • At 6 and 12 months, 35% and 22% of patients, respectively, showed values outside the reference range.

Cite This Study

Stawińska et al. (2026) studied this question.

synapsesocial.com/papers/6a22686b763171746d547048https://doi.org/10.1002/ksa.70452
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Twelve-Month Maturation Timeline of Quadriceps Tendon Autograft Signal Intensity Ratio After ACL Reconstruction Surgery Using Magnetic Resonance Imaging2026
  2. 2Prospective MRI-Based Comparison of Graft Maturation After ACL Reconstruction Using Quadriceps Versus Hamstring Tendon Autograft2026
  3. 3Longitudinal Multiparametric Quantitative MRI Evaluation of Graft Maturity Following Anterior Cruciate Ligament Reconstruction: A One-Year Prospective Observational Study2026
  4. 4Return to Previous Levels of Performance Around 10 Months After Anterior Cruciate Ligament Reconstruction Using Bone-Patellar Tendon-Bone Autograft Does Not Delay Signal Intensity Reduction in a Graft: A Serial 3.0-T MRI Study.2025
  5. 5Poster 326: Near Complete Quadriceps Tendon Healing 2 Years Following Harvest in Anterior Cruciate Ligament Reconstruction2024