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International Orthopaedics

, Volume 34, Issue 2, pp 249–254 | Cite as

Distal femoral varus osteotomy for lateral osteoarthritis of the knee: a minimum ten-year follow-up

  • Yona KosashviliEmail author
  • Oleg Safir
  • Allan Gross
  • Guy Morag
  • Dror Lakstein
  • David Backstein
Original Paper

Abstract

Distal femoral varus osteotomy (DFVO) may be indicated for symptomatic lateral compartment gonarthrosis associated with valgus deformity in younger, active patients. Thirty-three consecutive DFVOs (31 patients) with a minimum follow-up of ten years (mean 15.1, range 10–25) were reviewed. Fifteen DFVOs were converted to total knee arthroplasty (TKA) and one DFVO was awaiting TKA, reaching an overall failure rate of 48.5% at a mean of 15.6 years (range 6–21.5). Of the remaining 17 DFVOs, ten (58.8%) had good or excellent results, two (11.8%) had fair results and five (29.4%) had poor results. Mean modified Knee Society scores improved significantly (p < 0.01) from 36.8 preoperatively to 77.5 at one year post DFVO. DFVO is a viable treatment alternative for lateral compartment gonarthrosis. Conversion to TKA is expected to be required in approximately half of the patients at a mean of 15.6 years.

Keywords

Total Knee Arthroplasty Knee Function Valgus Deformity Femoral Cortex Blade Plate 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag 2009

Authors and Affiliations

  • Yona Kosashvili
    • 1
    Email author
  • Oleg Safir
    • 1
  • Allan Gross
    • 1
  • Guy Morag
    • 2
  • Dror Lakstein
    • 1
  • David Backstein
    • 1
  1. 1.Department of OrthopedicsMount Sinai HospitalTorontoCanada
  2. 2.Orthopedics BSorasky Medical CenterTel AvivIsrael

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