Extraarticular repair of the unstable knee: Disappointing 6-year results of the Slocum and Ellison operations

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Abstract
Thirty-nine clinically unstable knees caused by anterior cruciate ligament rupture were evaluated 5–8 years after medial and lateral extraarticular stabilization according to Slocum and Ellison. At the follow-up, 10 knees had been subjected to an intra-articularanteriorcruciate ligament reconstruction, and one knee was not available for follow-up. The mean Lysholm score for the 28 reexamined knees was 84 out of a maximum of 100 points. Activity scores were generally low, and all the knees had increased anterior drawer instability. The combination of the pes anserinus and lateral extraarticular repair did not give acceptable long-term results.