Satisfactory Clinical results after 5-year follow up with Po
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Genu recurvatum is a type of knee deformity that is relatively uncommon. Surgical modifications are needed for TKA in the presence of severe preoperative recurvatum. The researchers wanted to see how patients with severe recurvatum fared after posterior-stabilized TKA in terms of clinical and radiological effects, complications, and revision rates relative to those without recurvatum.

With a preoperative genu recurvatum greater than 10° and a minimum follow-up of 60 months, 32 primary posterior-stabilized TKA were performed. When treating extreme genu recurvatum, the extension gap must be smaller than the flexion gap. The distal femoral cut is distalized to do this, while the posterior femoral and tibial cuts are done normally. They were compared to 64 matched recurvatum-free posterior-stabilized TKAs. Among classes, the demographic data was identical. At the most recent follow-up, the clinical and radiological effects, complications, and revision rates were evaluated.

Results:
--At a mean follow-up of 7.4 years ±1.9, there was no significant difference in IKS functional score (77.5 vs 73.4) and knee score (86.6 vs 89.5) between the recurvatum group and the control group, respectively.

--6 patients had a post-operative recurvatum equal or superior to 10° in the recurvatum group (18.8%).

--There was no difference between both groups in radiological outcomes, complication or revision rates. No instability was found in the recurvatum group.

Finally, in the setting of severe preoperative genu recurvatum, posterior-stabilized TKA with regulated distalization of the femoral portion achieves good clinical and radiological outcomes at a minimum follow-up of 5 years, comparable to TKA without preoperative recurvatum.

Source: https://www.sciencedirect.com/science/article/abs/pii/S088354032100382X?dgcid=rss_sd_all
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