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Updated: Jan 22, 2026
08:27
Novel Triple-Loop Technique for Suturing TFCC Injuries without Transosseous Tunnel
Published on: May 23, 2025
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The modified semi-tunnel bone bridge technique achieved statistically better knee function than the suture anchor
Gang Ji1, Haoyu Wang1, Xiaoqing Su2
1Department of Joint Surgery, Orthopedic Research Institute of Hebei Province, Third Hospital of Hebei Medical University, 139 Ziqiang Road, Shijiazhuang, 050051, Hebei, People's Republic of China.
Summary
The modified semi-tunnel bone bridge technique for medial patellofemoral ligament (MPFL) reconstruction showed better knee function than suture anchor fixation at 5-year follow-up.
Area of Science:
- Orthopedic surgery
- Sports medicine
- Biomechanics
Background:
- Patellar dislocation often requires medial patellofemoral ligament (MPFL) reconstruction.
- Fixation techniques are crucial for successful surgical outcomes.
- Comparing different fixation methods is essential for optimizing patient recovery.
Purpose of the Study:
- To compare the clinical outcomes of modified semi-tunnel bone bridge fixation versus suture anchor fixation for anatomic MPFL reconstruction.
- To evaluate the effectiveness of these techniques in restoring patellar stability and knee function.
Main Methods:
- Retrospective study of 60 patients with patellar dislocation undergoing MPFL reconstruction (2007-2010).
- 30 patients received modified semi-tunnel bone bridge fixation (Group A), 30 received suture anchor fixation (Group B).
- Evaluated patellar angles (CT scans), physical examination (apprehension, stability), and functional scores (Kujala, Lysholm) at minimum 5-year follow-up.
Main Results:
- Both techniques restored normal patellar tilt angle and lateral patellar angle (LPA).
- Significant improvements in Kujala and Lysholm scores were observed in both groups post-surgery.
- The semi-tunnel bone bridge group demonstrated statistically better Kujala and Lysholm scores at final follow-up.
Conclusions:
- Both semi-tunnel bone bridge and suture anchor fixation effectively restore patellar stability and improve knee function after MPFL reconstruction.
- The semi-tunnel bone bridge technique yielded superior knee function outcomes compared to suture anchor fixation at a minimum 5-year follow-up.
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