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find Author "ZHONG Congli" 1 results
  • Effectiveness of medial open wedge high tibial osteotomy combined with posterior slope angle of tibial plateau correction in treatment of osteoarthritis of limited flexion knee with varus deformity

    ObjectiveTo explore the short-term effectiveness of medial open wedge high tibial osteotomy (OWHTO) combined with posterior slope angle of tibial plateau correction to treat the osteoarthritis of limited flexion knee with varus deformity.MethodsThe data of 18 cases (18 knee) with osteoarthritis of limited flexion knee with varus deformity between January 2014 and July 2016 were analyzed retrospectively. There were 6 males and 12 females with an average age of 54.9 years (range, 48-64 years). There were 8 cases of left knee and 10 cases of right knee. The varus of knee ranged from 7.45 to 15.52° (mean, 10.63°). According to Kellgren-Lawrence grading standard, there were 4 cases of grade Ⅱ and 14 of grade Ⅲ. OWHTO was used to adjust the varus deformity, and the posterior slope angle of tibial plateau was adjusted to solve the limited flexion.ResultsThe thickness of osteotomy was 10-19 mm (mean, 14.91 mm). The operation time was 1.2-2.0 hours (mean, 1.4 hours). All incisions healed by first intension. All patients were followed up 1.0-2.5 years, with an average of 1.5 years. At last follow-up, the range of knee flexion and Lysholm score, Hospital for Special Surgery (HSS) score, and International Knee Documentation Committee (IKDC) score were significantly higher than preoperative ones, showing significant differences (P<0.05). X-ray films showed that the osteotomy healed at 3- 7 months (mean, 3.6 months) after operation. At last follow-up, the limb alignment by the relative position of tibial plateau and the posterior slope angle of tibial plateau were significantly improved, showing significant differences when compared with preoperative ones (P<0.05).ConclusionThe OWHTO combined with posterior slope angle of tibial plateau correction can significantly improve the range of flexion and functional score in short-term.

    Release date:2018-02-07 03:21 Export PDF Favorites Scan
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