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Knee Surg Relat Res. 2018 Mar;30(1):17-22. English. Original Article. https://doi.org/10.5792/ksrr.17.006
Ryu SM , Park JW , Na HD , Shon OJ .
Department of Orthopedic Surgery, Yeungnam University Medical Center, Daegu, Korea. maestro-jin@hanmail.net
Abstract

Purpose

The purpose of this study is to compare the clinical and radiographic outcomes of high tibial osteotomy (HTO) and unicompartmental arthroplasty (UKA) in advanced medial compartment arthritis accompanied by kissing lesions in relatively young patients.

Materials and Methods

Forty-five patients were divided into the HTO (n=23) and UKA (n=22) groups. Clinically, we evaluated the Lysholm knee scoring scale, visual analogue scale, Hospital for Special Surgery, and Western Ontario and McMaster Universities Osteoarthritis index scores preoperatively, 6 and 12 months postoperatively, and at the final follow-up. Radiographically, we measured the femoral-tibial angle and mechanical axis deviation preoperatively and at the final follow-up.

Results

All clinical outcomes gradually improved in both groups from the postoperative period to the final follow-up. At the final follow-up, all clinical outcomes were slightly better in the UKA group than in the HTO group; however, differences were not statistically significant.

Conclusions

HTO is comparable to UKA in terms of clinical outcomes. Thus, the results of this study suggest that HTO might be a good alternative treatment to UKA for medial unicompartmental arthritis accompanied by kissing lesions in relatively young patients.

Copyright © 2019. Korean Association of Medical Journal Editors.