Total knee arthroplasty in combination with a one-stage tibial osteotomy: a technique for correction of a gonarthrosis with a severe (>15 degrees) tibial extra-articular deformity.

Patients with a gonarthrosis and an extra-articular axis deformity >/=15 degrees (Krackow type VI) were treated by an unconstrained total knee arthroplasty combined with a tibial osteotomy. This technique was applied to 10 patients with a Krackow type VI deformity. The knee score improved significantly (P<.