Research progress of femoral bone tunnel positioning in anterior cruciate ligament reconstruction_Chinese Journal of Reparative and Reconstructive Surgery

Authors：

LI Xiaobo ^1,2 , LI Hanlin ¹ , LU Jiajun ¹ ,  DING Ran ^1,2 , LI Xiaobo ^1,2 , LI Hanlin ¹ , LU Jiajun ¹ ,  DING Ran ^1,2

1. Department of Orthopaedics, General Hospital of Central Theater Command of Chinese PLA, Wuhan Hubei, 430070, P. R. China;
2. The First School of Clinical Medicine, Southern Medical University, Guangzhou Guangdong, 510515, P. R. China;

Corresponding author：

DING Ran, Email: dana1979@163.com; DING Ran, Email: dana1979@163.com

Keywords：

Anterior cruciate ligament; ligament reconstruction; femoral bone tunnel; positioning of bone tunnel

DOI：

10.7507/1002-1892.202401121

Video：

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Objective To provide a review of the concept and methods of femoral bone tunnel positioning in anterior cruciate ligament (ACL) reconstruction, in order to provide a reference for clinical treatment. Methods Extensively reviewed the relevant literature on the current domestic and international research on the concept and methods of femoral bone tunnel positioning in ACL reconstruction, and summarised and concluded them.Results The position of the femoral bone tunnel is a key factor in determining the prognosis of ACL reconstruction. The concept of femoral bone tunnel positioning in ACL reconstruction has experienced a long process of development, from the initial isometric reconstruction, through anatomical reconstruction, Ribbon-like theory, to the current I.D.E.A.L. theory and nearly isometric reconstruction theory. The femoral bone tunnel positioning technique is also changing with the in-depth study of the anatomy and biomechanics of the ACL, and each bone tunnel positioning technique has its own advantages and disadvantages. Over-The-Top technique is now mainly used for ACL revision; the clock-face positioning method is basically no longer applicable due to the large error, poor stability, and low retrievability; the bone landmarks positioning method (the lateral condyle of the femur’s Resident’s ridge and bifurcation ridge, and the the apex of the deep cartilage), which is now mostly used clinically due to the more constant anatomical landmarks. The quadrant method under X-ray fluoroscopy is more cumbersome to implement intraoperatively, so it is mainly used for academic research; computer navigation-assisted positioning is a positioning method that has gradually become popular in recent years, which is highly accurate, avoids the influence of human factors on the positioning of the bone tunnel, and has a very good prospect of application; three-dimensional printing-assisted positioning technology, which is accurate in positioning, with a high degree of reproducibility and a short learning time. Conclusion The concept of femoral bone tunnel positioning for ACL reconstruction has undergone several evolutions, reflecting the deepening of the understanding of ACL and the improvement of the clinical results of reconstruction. Meanwhile, the precision, personalization, and intelligence of positioning techniques are the focus of current and future development.

Citation： LI Xiaobo, LI Hanlin, LU Jiajun, DING Ran. Research progress of femoral bone tunnel positioning in anterior cruciate ligament reconstruction. Chinese Journal of Reparative and Reconstructive Surgery, 2024, 38(4): 498-504. doi: 10.7507/1002-1892.202401121 Copy

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2. Freshman RD, Truong NM, Cevallos N, et al. Delayed ACL reconstruction increases rates of concomitant procedures and risk of subsequent surgery. Knee Surg Sports Traumatol Arthrosc, 2023, 31(7): 2897-2905.
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