Abstract:
Objective To investigate the clinical efficacy of the anchor suture bridge technique in treating avulsion fractures at the tibial insertion point of the posterior cruciate ligament (PCL) in the knee joint.
Methods In this study, we reviewed 80 patients with PCL tibial avulsion fractures treated using the anchor suture bridge technique in our department from February 2010 to December 2023. Follow-ups were conducted starting at 3 months post-surgery, then every 3 months until 12 months post-surgery. Clinical and follow-up data of each patient were analyzed. The Lysholm and Hospital for Special Surgery Knee-Rating Scale (HSS) scores of knee function before surgery and at the last follow-up were compared to assess the surgical treatment outcome.
Results The 80 patients were followed up for an average of (12.16±1.08) months post-surgery. Re-examination X-rays showed that all fractures had healed, with an average healing time of (3.66±0.51) months. All patients recovered well, with primary healing of surgical incisions and no complications such as neurovascular injury, skin necrosis, incision infection, fracture displacement, or ligament laxity. Postoperative knee Lysholm and HSS scores were significantly higher than preoperative scores. At the last follow-up, the Lysholm score increased from (46.30±6.10) preoperatively to (90.85±3.27), and the HSS score increased from (45.30±5.80) to (91.15±2.66), with statistically significant differences (P<0.025).
Conclusion The anchor suture bridge technique is effective in treating avulsion fractures of the PCL tibial insertion point in the knee joint. It has a high safety profile and leads to good postoperative knee function recovery, with no serious postoperative complications, demonstrating excellent clinical efficacy.
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