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. 2019 Apr;54(2):183-189.
doi: 10.1016/j.rbo.2017.09.001. Epub 2019 May 10.

Biomechanical Evaluation of Different Tibial Fixation Methods in the Reconstruction of the Anterolateral Ligament in Swine Bones

Rogério Nascimento Costa  1 , Rubens Rosso Nadal  1 , Paulo Renato Fernandes Saggin  1 , Osmar Valadão Lopes Junior  1 , Leandro de Freitas Spinelli  2 , Charles Leonardo Israel  2
Affiliations

Biomechanical Evaluation of Different Tibial Fixation Methods in the Reconstruction of the Anterolateral Ligament in Swine Bones

Rogério Nascimento Costa et al. Rev Bras Ortop (Sao Paulo). 2019 Apr.

Abstract

Objective The present study aims to evaluate different methods of tibial fixation in the reconstruction of the anterolateral ligament (ALL). In addition, the present paper aims to compare the effectiveness of these methods and their mechanisms of failure in swine knees. Methods A total of 40 freshly frozen swine limbs were divided into 4 groups of 10 specimens, according to the tibial fixation technique used. In group A, the tibial fixation of the tendon graft was made through an anchor passing the graft. In group B, the tibial fixation was performed through a metal interference screw in a single bone tunnel. In group C, the tibial fixation included an anchor associated with a tendinous suture (but not with a wire crossing the tendon). In group D, two confluent bony tunnels were drilled and combined with an interference screw in one of them. Results The lowest mean force (70.56 N) was observed in group A, and the highest mean force (244.85 N) was observed in group B; the mean values in the other 2 groups ranged from 171.68 N (group C) to 149.43 N (group D). Considering the margin of error (5%), there was a significant difference between the groups ( p < 0.001). Conclusion Fixation with an interference screw in a single tunnel bone showed the highest tensile strength among the evaluated techniques.

Keywords: anterior cruciate ligament; articular ligaments; knee; orthopedic procedures.

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Conflict of interest statement

Conflitos de interesse Os autores declaram não haver conflitos de interesse.

Figures

Fig. 1
Fig. 1
Tibia preparation.
Fig. 2
Fig. 2
Graft preparation.
Fig. 3
Fig. 3
Plateau width.
Fig. 4
Fig. 4
A, Group A. B, Group B. C, Group C. D, Group D.
Fig. 5
Fig. 5
Tibia position during tests.
Fig. 1
Fig. 1
Preparação da tíbia.
Fig. 3
Fig. 3
Largura do platô.
Fig. 2
Fig. 2
Preparação do enxerto.
Fig. 4
Fig. 4
A, Grupo A. B, Grupo B. C, Grupo C. D, Grupo D.
Fig. 5
Fig. 5
Posição da tíbia durante os testes.
See this image and copyright information in PMC

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