Analysis of the Leeds-Keio ligament for extensor mechanism repair: favourable mechanical and functional outcome

The Knee
A D TomsS H White

Abstract

Many techniques have been described for the challenging problem of extensor mechanism rupture, including the use of synthetic grafts. In 1994 Fujikawa et al. [J. Bone Surg. 1994:76B:200-203] reported excellent results using the Leeds-Keio polyester ligament. Patients were mobilised early, had few post operative complications and minimal extensor lag. This is the first independent assessment of this technique using both subjective and objective analysis of outcome. We reviewed 11 patients (12 knees) whose extensor mechanisms were repaired as described in the original paper. At a mean of 3 years after surgery there were no infections and no re-ruptures. Good functional recovery was observed with a mean Tegner activity score of 1.7, Lysholm score of 66 and Irrgang score of 58%. Indeed, 80% of working patients returned to their former employment. However, objective tests showed peak extensor torque recovered to only half normal strength. We conclude the results of this technique of repair compare favourably with other described techniques especially in complex cases.

References

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Citations

Dec 25, 2008·Expert Review of Medical Devices·Jimin ChenMinghao Zheng
Feb 5, 2009·The Journal of Bone and Joint Surgery. British Volume·A D TomsB Hopwood
Aug 25, 2009·Personality and Social Psychology Review : an Official Journal of the Society for Personality and Social Psychology, Inc·Ohad David, Daniel Bar-Tal
Sep 8, 2007·Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine·B B SeedhomL Guardamagna

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