Double-bundle anterior cruciate ligament reconstruction improves tibial rotational instability: analysis of squatting motion using a 2D/3D registration technique

Journal of Orthopaedic Surgery and Research
Kenichi KideraMakoto Osaki

Abstract

The anterior cruciate ligament-deficient (ACLD) knee requires appropriate treatment for the patient to return to sports. The purpose of this study was to clarify the kinematics of the anterior cruciate ligament-deficient knee in squatting motion before and after double-bundle anterior cruciate ligament reconstruction (DB-ACLR) using a 2D/3D registration technique. The subjects of this study were 10 men with confirmed unilateral ACL rupture who underwent DB-ACLR. Computed tomography (CT) of the knee joints was performed before DB-ACLR. Fluoroscopic imaging of the knee motion in squatting before and after DB-ACLR was also performed. The 2D/3D registration technique is a method of calculating positional relationships by projecting the 3D bone model created from the CT data onto the image extracted from the fluoroscopic images. The tibial anteroposterior (AP) and rotational positions were analyzed with reference to the femur. The tibial AP position of the ACLD knees was significantly anterior to the contralateral knees (p = 0.015). The tibial rotational position of the ACLD knees was significantly internally rotated compared to the contralateral knees (p < 0.001). Both tibial AP and rotational positions improved after DB-ACLR (p < ...Continue Reading

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Citations

Feb 23, 2021·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Scott TashmanFreddie H Fu
Aug 6, 2021·Orthopaedic Journal of Sports Medicine·Stefano Di PaoloStefano Zaffagnini

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Methods Mentioned

BETA
X-ray

Software Mentioned

GLAB
JointManager
3D
DeFrate
Doctor
SPSS
ACLR

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