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Journal of Bone and Joint Surgery - British Volume, Vol 90-B, Issue 11, 1441-1445.
doi: 10.1302/0301-620X.90B11.20092  
Copyright © 2008 by British Editorial Society of Bone and Joint Surgery
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Computer-assisted osteotomy of the lateral femoral condyle with non-constrained total knee replacement in severe valgus knees

P. T. Hadjicostas, MD, PhD, Consultant Orthopaedic Surgeon, Hip and Knee Clinical Fellow1; P. N. Soucacos, MD, FACS, Professor and Chairman2; and F. W. Thielemann, MD, FA Chirurgie, FA Orthopedie/Unfallchirurgie, Assistant Professor, Chief Orthopaedic Surgeon1

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.

Correspondence should be sent to Dr P. T. Hadjicostas; e-mail: phadjicostas{at}yahoo.com

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.






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Hip, Knee, Trauma, Upper limb, Foot & Ankle, Paediatrics, Oncology, Spine, Arthroplasty, General