Abstract
The current standard technique to reconstruct ruptured anterior cruciate ligament (ACL) is through an isometric single-bundle graft. However, the ACL has a two-bundled nature, with the anteromedial bundle (AMB) most tight in flexion and the posterolateral bundle (PLB) near extension. Therefore a double-bundle, anatomically placed, graft is expected to provide better stability over the complete range of motion. The anterior laxity was tested in various flexion angles in knees with anatomic double-bundle and isometric single-bundle reconstruction. Anatomic femoral graft placement was performed using Computer Assisted Surgery (CAS) with the AMB-graft fixated in 90° of flexion and the PLB in 20°. Near extension the double-bundle technique caused no significant laxity change compared to a 2.1 mm (34%) increase in single-bundle reconstructed knees. In 90° of flexion the laxity increase was nearly similar. Over the complete range of motion the anatomic double-bundle technique results in a better functional reconstruction, at the cost of a higher AP-error near extension.
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Wymenga, A.B., Luites, J.W.H., Sati, M., Bourquin, Y., Blankevoort, L., van der Venne, R.L., Kooloos, J.G.M., Stäubli, H.-U.: Computer-Assisted Anatomical Placement of a Double-Bundle ACL through 3D-Fitting of a Statistically Generated Femoral Template Into Individual Knee Geometry. In: Abstr 5th Intern Symp. on CAOS, vol. 24 (2000)
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Luites, J.W.H., Wymenga, A.B., Blankevoort, L., Kooloos, J.G.M., Sati, M. (2000). Double-Bundle Anatomic ACL-Reconstruction with Computer Assisted Surgery: An In-Vitro Study of the Anterior Laxity in Knees with Anatomic Double-Bundle versus Isometric Single-Bundle Reconstruction. In: Delp, S.L., DiGoia, A.M., Jaramaz, B. (eds) Medical Image Computing and Computer-Assisted Intervention – MICCAI 2000. MICCAI 2000. Lecture Notes in Computer Science, vol 1935. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-40899-4_123
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DOI: https://doi.org/10.1007/978-3-540-40899-4_123
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