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KMID : 0359620070190020225
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Journal of Korean Knee Society
2007 Volume.19 No. 2 p.225 ~ p.230
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The Clinical Results After Open Wedge Osteotomy of Proximal Tibia in Degenerative Knee Osteoarthritis
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Lee Dong-Chul
Sohn Oog-Jin
Lee Su-Ho
Kwak Byung-Hoon
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Abstract
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Purpose : The purpose of this retrospective study was to analyze the radiological and clinical results following high tibial osteotomy of the degenerative knee osteoarthritis.
Materials & Methods : This study included 12 patients who had degenerative knee osteoarthritis and had been treated with high tibial osteotomy with TS-OA plate. Mean age was 50.2 years old(43~62) and mean follow up period was 17.7 Months. Clinical evaluation were analysed by HSS score.
Results : There were 2 cases of grade 2 and 10 cases of grade 3 based upon the radiological Kellgren classifications before surgery. The mean femorotibial angle was corrected from varus 6 degrees before surgery to valgus 8.5 degrees at the last follow up and the mean angle between mechanical axis and tibia long axis was corrected from varus 6.7 degrees to valgus 1.6 degrees. The Insall-Salvati ratio was changed from 1.07 before surgery to 1.04 at the last follow up and tibial posterior inclination was changed from 8.1 degrees to 10.2 degrees. HSS score was improved from 58 before surgery(5 cases fair, 7cases poor) to 86.3 at the last follow up(9 cases excellent, 3 cases good).
Conclusion : The high tibial osteotomy is an effective treatment option for the management of degenerative knee osteoarthritis on medial compartment patients before total knee arthroplasty.
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KEYWORD
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Knee, Degenerative arthritis, Tibial osteotomy, Open, TS-OA plate
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