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Updated: Dec 24, 2025
Athymic Rat Model for Evaluation of Engineered Anterior Cruciate Ligament Grafts
Published on: March 26, 2015
Validity of intraoperative observation of graft length change pattern for medial patellofemoral ligament
Hiroki Katagiri1,2, Kazumasa Miyatake1,2, Toshifumi Watanabe1,2
1Department of Joint Surgery and Sports Medicine, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-ku, Tokyo, 113-8519, Japan.
Background:
The clinical outcome of the medial patellofemoral ligament reconstruction (MPFLR) based on graft length change pattern (length pattern group) was compared with MPFLR based on visual examination combined with palpation (visual/palpation group).
Methods:
Physical findings, patient-reported outcome, and radiographic demonstration were evaluated pre- and postoperatively.
Results:
The length pattern group had significantly lower risk of a positive apprehension test (Odds ratio 0.12, p < 0.01), and higher scores in postoperative Lysholm score (p = 0.046) and patient satisfaction (p = 0.036) than The visual/palpation group.
Conclusion:
MPFLR based on graft length change pattern improved on patient-reported outcomes and apprehension test.
Level Of Evidence:
Level Ⅲ, Retrospective comparative study.
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