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Arthroscopic Lateral Meniscus Posterior Root Repair Using All-Suture Anchor and Modified Transtibial Pull-Out
Chen-Jian Peng1, Shu-Ya Sun1, Peng Xue1
1Nanjing Hospital of Chinese Medicine Nanjing Sports Hospital Nanjing Hospital of Chinese Medicine Affiliated to Nanjing University of Chinese Medicine Nanjing China.
Arthroscopy Techniques
|July 25, 2026
Summary
Lateral meniscus posterior root tears disrupt knee biomechanics, leading to instability and cartilage damage. A modified transtibial pull-out technique offers a stable, minimally invasive anatomical repair to restore function and slow osteoarthritis progression.
Area of Science:
- Orthopedic Surgery
- Biomedical Engineering
- Sports Medicine
Background:
- Lateral meniscus posterior root tears disrupt knee hoop stress, causing instability and cartilage degeneration.
- Anatomical repair is crucial for restoring knee biomechanics and mitigating osteoarthritis progression.
Purpose of the Study:
- To describe a modified transtibial pull-out technique for anatomical repair of lateral meniscus posterior root tears.
- To evaluate the technique's stability, invasiveness, and potential for promoting healing.
Main Methods:
- A modified transtibial pull-out technique utilizing an all-suture anchor.
- Tail suture fixation for root repair, creating a meniscal suture ball.
- A 2mm tibial tunnel at the anatomic footprint for refixation.
Main Results:
- The technique achieves stable and anatomical repair.
- It minimizes bone loss and avoids interference with anterior cruciate ligament grafts.
- The method promotes biological healing of the meniscus.
Conclusions:
- This modified transtibial pull-out technique provides a stable, minimally invasive, and anatomical solution for lateral meniscus posterior root tears.
- It effectively restores knee biomechanics and may help slow osteoarthritis progression.