Archives of Orthopaedic and Trauma Surgery

, Volume 136, Issue 7, pp 983–989 | Cite as

Open wedge high tibial osteotomy (HTO) versus mobile bearing unicondylar medial joint replacement: five years results

  • Wolf PetersenEmail author
  • Sebastian Metzlaff
Arthroscopy and Sports Medicine



Aim of this study was to compare clinical results after open wedge HTO (OW-HTO and medial unicondylar joint replacement (UKA) in patients aged between 55 and 65.

Materials and methods

Fifty-four patients aged between 55 and 65 years with medial OA and varus malalignement who had been treated by either OW-HTO or UKA could be included. Minimum follow up was 5 years. The HSS knee score and the KOOS were used to evaluate clinical outcome.


There was no difference in the revision rate, the HSS knee score and the KOOS subscales Sports/Rec and ADL between the OW-HTO and UKA group. However, the KOOS subscales pain, Symptoms and QoL were significantly better in the UKA group compared to the OW-HTO.


The results of this study showed that 5 years after surgery patients after UKA had less residual pain and symptoms than patients after UKA. These advantages might result in a higher quality of life.


Osteoarthritis Varus malalignement Joint replacement Internal plate fixator 


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Copyright information

© Springer-Verlag Berlin Heidelberg 2016

Authors and Affiliations

  1. 1.Department of Trauma and Orthopedic SurgeryMartin Luther HospitalBerlinGermany

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