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Anterior root of lateral meniscus and medial tibial spine are reliable intraoperative landmarks for the tibial footprint of anterior cruciate ligament.
Knee Surgery, Sports Traumatology, Arthroscopy ( IF 3.8 ) Pub Date : 2020-05-17 , DOI: 10.1007/s00167-020-06018-0
Dimitris Dimitriou 1 , Diyang Zou 2 , Zhongzheng Wang 2 , Tsung-Yuan Tsai 2 , Naeder Helmy 1
Affiliation  

PURPOSE The aims of the present study were (1) to investigate the tibial footprint location of the anterior cruciate ligament (ACL) in both ACL-ruptured and ACL-intact patients, (2) to identify the relationship of the tibial footprint to the anterior root of the lateral meniscus (ARLM) and medial tibial spine (MTS), and (3) to evaluate the reliability of the ARLM and MTS for identifying the center of the tibial ACL footprint. METHODS Magnetic resonance images of 90 knees with ACL rupture and 90 matched-controlled knees were used to create three-dimensional models of the tibia. The tibial ACL footprint was outlined on each model, and its location was measured using an anatomical coordinate system. RESULTS No significant difference in the location of the tibial footprint was found between ACL-ruptured and ACL-intact knees. The tibial ACL footprint was located in very close proximity to the ARLM, especially in the M/L direction. The safe zone of tibial tunnel reaming for avoiding damage to the ARLM was 2.6 mm lateral to the center of the native tibial footprint. Both the ARLM and MTS were reliable intraoperative landmarks for identifying the tibial footprint. CONCLUSIONS Orthopedic surgeons should be aware of the safe zone of tibial tunnel reaming for avoiding injury to the ARLM. Both the ARLM and MTS might be reliable landmarks for identifying the center of the tibial ACL footprint and may facilitate tibial tunnel placement during anatomical single-bundle ACL reconstruction, especially in cases of revision where the tibial ACL stump is not available. LEVEL OF EVIDENCE Level III.

中文翻译:

外侧半月板和胫骨内侧脊的前根是前交叉韧带胫骨足迹的可靠术中标志。

目的本研究的目的是(1)研究ACL破裂和ACL完整患者的前交叉韧带(ACL)的胫骨足迹位置,(2)查明胫骨足迹与前路的关系外侧半月板(ARLM)和胫骨内侧棘(MTS)的根,以及(3)评估ARLM和MTS用于识别胫骨ACL足迹中心的可靠性。方法使用90例ACL破裂的膝盖和90例匹配控制的膝盖的磁共振图像创建胫骨的三维模型。在每个模型上勾勒出胫骨前交叉韧带的足迹,并使用解剖坐标系测量其位置。结果在ACL破裂的膝盖和ACL完整的膝盖之间,胫骨足迹的位置没有发现显着差异。胫骨ACL足迹非常靠近ARLM,尤其是在M / L方向。避免对ARLM造成损害的胫骨隧道扩孔的安全区在天然胫骨足迹中心的侧面2.6 mm。ARLM和MTS都是确定胫骨足迹的可靠术中标志。结论整形外科医师应注意胫骨隧道扩孔的安全区域,以免对ARLM造成伤害。ARLM和MTS都可能是用于识别胫骨ACL足迹中心的可靠地标,并且可能在解剖性单束ACL重建过程中促进胫骨隧道的放置,尤其是在无法获得胫骨ACL树桩的翻修情况下。证据级别III。避免对ARLM造成损害的胫骨隧道扩孔的安全区在天然胫骨足迹中心的侧面2.6 mm。ARLM和MTS都是确定胫骨足迹的可靠术中标志。结论整形外科医师应注意胫骨隧道扩孔的安全区域,以免对ARLM造成伤害。ARLM和MTS都可能是用于识别胫骨ACL足迹中心的可靠地标,并且可能在解剖性单束ACL重建过程中促进胫骨隧道的放置,尤其是在无法获得胫骨ACL树桩的翻修情况下。证据级别III。避免对ARLM造成损害的胫骨隧道扩孔的安全区在天然胫骨足迹中心的侧面2.6 mm。ARLM和MTS都是确定胫骨足迹的可靠术中标志。结论整形外科医师应注意胫骨隧道扩孔的安全区域,以免对ARLM造成伤害。ARLM和MTS都可能是用于识别胫骨ACL足迹中心的可靠地标,并且可能在解剖性单束ACL重建过程中促进胫骨隧道的放置,特别是在没有胫骨ACL残端的翻修情况下。证据级别III。ARLM和MTS都是确定胫骨足迹的可靠术中标志。结论整形外科医师应注意胫骨隧道扩孔的安全区域,以免对ARLM造成伤害。ARLM和MTS都可能是用于识别胫骨ACL足迹中心的可靠地标,并且可能在解剖性单束ACL重建过程中促进胫骨隧道的放置,尤其是在无法获得胫骨ACL树桩的翻修情况下。证据级别III。ARLM和MTS都是确定胫骨足迹的可靠术中标志。结论整形外科医师应注意胫骨隧道扩孔的安全区域,以免对ARLM造成伤害。ARLM和MTS都可能是用于识别胫骨ACL足迹中心的可靠地标,并且可能在解剖性单束ACL重建过程中促进胫骨隧道的放置,特别是在没有胫骨ACL残端的翻修情况下。证据级别III。ARLM和MTS都可能是用于识别胫骨ACL足迹中心的可靠地标,并且可能在解剖性单束ACL重建过程中促进胫骨隧道的放置,尤其是在无法获得胫骨ACL树桩的翻修情况下。证据级别III。ARLM和MTS都可能是用于识别胫骨ACL足迹中心的可靠地标,并且可能在解剖性单束ACL重建过程中促进胫骨隧道的放置,尤其是在无法获得胫骨ACL树桩的翻修情况下。证据级别III。
更新日期:2020-05-17
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