Abstract
BackgroundThe transtibial tunnel technique achieves equal length reconstruction of the anterior cruciate ligament (ACL). This study aimed to investigate whether transtibial tunnel technique can achieve anatomical reconstruction of ACL.MethodsFor 25 corpses, the anterior soft tissue of the knee joint was detached so that the ligamentous surface was fully exposed, then the knee joint was fixed at 90° with an external fixator and the anterior cruciate ligament was removed. Double-sided laser technology was used to establish spatial conformation of ACL.ResultsThe male to female ratio of the subjects was 19:6, with an average age of 59.52 ± 11.13 years. Patellar tendon length was 35.23 ± 5.10 mm, tibial eminence length and width was 15.75 ± 2.44 and 7.80 ± 1.28 mm, respectively, and femoral attachment length and width was 15.40 ± 2.17 and 8.97 ± 1.61 mm, respectively. When the flexion turned 90°, the tibial tunnel length was 31.83 ± 4.09 mm and the distance to the tibial plateau, patellar tendon, and medial collateral ligament was 16.33 ± 4.56, 10.79 ± 5.85, and 23.12 ± 5.99 mm, respectively.ConclusionsWith the aid of double-sided laser technology, transtibial tunnel technique can safely achieve single-bundle reconstruction of ACL.
Highlights
The transtibial tunnel technique achieves equal length reconstruction of the anterior cruciate ligament (ACL)
We used single-bundle because we found that the length of ACL tibial attachment was 15.75 ± 2.44 mm and the length of femoral attachment was 15.40 ± 2.17 mm, which were not the indication for the use of double bundles
A meta-analysis of 22 studies compared the difference between single- and double-bundle anatomical reconstruction and found that the double-bundle anatomical reconstruction only had the advantage of rotational stability, and most clinical function outcomes except IKDC score showed no significant difference between singleand double-bundle ACL reconstruction [7]
Summary
The transtibial tunnel technique achieves equal length reconstruction of the anterior cruciate ligament (ACL). This study aimed to investigate whether transtibial tunnel technique can achieve anatomical reconstruction of ACL. The injury of anterior cruciate ligament (ACL) has high incidence in sports medicine. In China, the incidence of ACL injury has increased recently. Surgery is usually recommended, and ACL reconstruction based on transtibial tunnel technique is the most common surgical method [3, 4]. The femoral tunnel is relatively high, and the graft is too vertical to control the rotation, which will result in the injury of the meniscus and osteoarthritis [5, 6]. Anatomical reconstruction may solve this problem by reconstructing the natural ACL spatial structure analogy [7]
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