Cartilage Damage Determines Intermediate Outcome in the Late Multiple Ligament and Posterolateral Corner-Reconstructed Knee
- 8 January 2008
- journal article
- research article
- Published by SAGE Publications in The American Journal of Sports Medicine
- Vol. 36 (2), 267-275
- https://doi.org/10.1177/0363546507311091
Abstract
Background Patients with chronic ruptures of 1 or both cruciate ligaments in combination with posterolateral rotatory instability of the knee often have some degree of cartilage damage at the time of surgery. Hypothesis Chondrosis at the time of reconstruction does not influence early and intermediate functional outcome of the multiple ligament reconstructed knee. Study Design Case series; Level of evidence, 4. Methods Twenty-one patients were available from an original 27 treated between 1995 and 2000. All patients were assessed preoperatively and postoperatively by physical examination and by applying 4 different knee rating scores. All patients were assessed at a mean follow-up of 39 months (range, 14–75 months) and 87 months (range, 62–123 months). Results At the first follow-up, all knee rating scores had improved significantly ( P < .0003) compared with preoperatively; 84% of the reconstructed knees had normal to nearly normal laxities according to the International Knee Documentation Committee 2000 score. At the second follow-up, the functional scores remained significantly ( P < .0089) better than preoperatively. Patients with chondrosis at the time of surgery did not have significantly different knee rating scores at the first follow-up compared with patients without cartilage damage. Four years later, the results in the chondrosis group were significantly worse ( P < .05) for all knee rating scores compared with the patients without chondrosis. The results in 3 of 4 knee rating scores declined significantly in the chondrosis group over the 48-month interval between follow-up sessions. In the Tegner and Lysholm score, the results deteriorated to the preoperative level. Patients with different cruciate ligament reconstructions did not have significantly different knee rating scores. Conclusion The posterolateral sling procedure is a stable and reliable technique for posterolateral corner reconstruction. The presence of chondrosis at the time of surgery is an important prognosticator of functional outcome at intermediate follow-up.This publication has 10 references indexed in Scilit:
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