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Knee Surgery, Sports Traumatology, Arthroscopy

, Volume 21, Issue 1, pp 170–180 | Cite as

Outcome after high tibial open-wedge osteotomy: a retrospective evaluation of 533 patients

  • Stephanie FloerkemeierEmail author
  • Alex E. Staubli
  • Steffen Schroeter
  • Sabine Goldhahn
  • Philipp Lobenhoffer
Knee

Abstract

Purpose

Open-wedge valgus high tibial osteotomy is a well-established procedure in the management of medial osteoarthritis of the knee. In recent years, improved osteotomy and fixation methods have led to an increased use of this technique. The aim of this study was to identify predictive parameters for the clinical outcome after valgus high tibial osteotomy.

Methods

A multicentre case series involving retrospective capture of baseline data and prospective outcome assessment of patients with knee OA who underwent an osteotomy using Tomofix® plate was conducted. Functional outcome was assessed using Oxford 12-item Knee Score.

Results

Before surgery, the majority of patients had grade III (52 %) and grade IV (33 %) lesions according to Outerbridge classification. Three hundred and eighty-six of 533 eligible patients were interviewed for follow-up after an average of 3.6 years. The mean Oxford Knee Score was 43 points. Six per cent experienced at least one local postoperative complication. There was a tendency towards lower score results in patients with a higher preoperative degree of the medial cartilage lesion. No correlation between patient age and the Oxford Knee Score was observed.

Conclusion

Being male, being operated by an experienced surgeon, having no intake of pain medication at follow-up and having no postoperative complication are positive predictors of the Oxford Knee Score up to 5 years after surgery. This study reveals favourable midterm results after valgus high tibial osteotomy in varus osteoarthritis, even in older patients with high degree of cartilage damage.

Level of evidence

II.

Keywords

Open-wedge osteotomy High tibial osteotomy Medial osteoarthritis Oxford Knee Score Joint-preserving technique Tomofix plate fixator 

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Copyright information

© Springer-Verlag 2012

Authors and Affiliations

  • Stephanie Floerkemeier
    • 1
    Email author
  • Alex E. Staubli
    • 2
  • Steffen Schroeter
    • 3
  • Sabine Goldhahn
    • 4
  • Philipp Lobenhoffer
    • 5
  1. 1.Department of Orthopaedic SurgeryHannover Medical SchoolHannoverGermany
  2. 2.Private Clinic Sonnmatt LuzernLuzern 15Switzerland
  3. 3.BG Unfallklinik TübingenTübingenGermany
  4. 4.AO Clinical Investigation and DocumentationDübendorfSwitzerland
  5. 5.Sports Clinic GermanyHannoverGermany

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