Computer-assisted osteotomy of the lateral femoral condyle with non-constrained total knee replacement in severe valgus knees

Author:

Hadjicostas P. T.1,Soucacos P. N.2,Thielemann F. W.1

Affiliation:

1. Department of Trauma and Reconstructive Surgery, Schwarzwald-Baar Clinic, Teaching Hospital, University of Freiburg, Rontgen Strasse 20, D 78054 Villingen Schenningen, Germany.

2. Department of Orthopaedic Surgery, Athens Medical School, 13 Sofokleous Street, Politia 14671, Athens, Greece.

Abstract

We describe the mid-term results of a prospective study of total knee replacement in severe valgus knees using an osteotomy of the lateral femoral condyle and computer navigation. There were 15 knees with a mean valgus deformity of 21° (17° to 27°) and a mean follow-up of 28 months (24 to 60). A cemented, non-constrained fixed bearing, posterior-cruciate-retaining knee prosthesis of the same design was used in all cases (Columbus-B. Braun; Aesculap, Tuttlingen, Germany). All the knees were corrected to a mean of 0.5° of valgus (0° to 2°). Flexion of the knee had been limited to a mean of 85° (75° to 110°) pre-operatively and improved to a mean of 105° (90° to 130°) after operation. The mean Knee Society score improved from 37 (30 to 44) to 90 points (86 to 94). Osteotomy of the lateral femoral condyle combined with computer-assisted surgery gave an excellent mid-term outcome in patients undergoing total knee replacement in the presence of severe valgus deformity.

Publisher

British Editorial Society of Bone & Joint Surgery

Subject

Orthopedics and Sports Medicine,Surgery

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