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      The effect of high tibial osteotomy on osteoarthritis of the knee : Clinical and histological observations.

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          Abstract

          High tibial osteotomies were performed on 136 osteoarthritic knees for correction of varus deformity. Before osteotomy all patients experienced moderate or severe pain, and the knees showed lateral thrust on weight-bearing. The patients were followed up for one to five years. Marked relief of pain was obtained in 112 knees, and the patients were satisfied with the result of operation in 122. These painless knees showed no lateral thrust, and in the majority the deformity had been adequately corrected, with post-operative femoro-tibial angles (standing) ranging from 165° to 174°. Four of 28 knees with femoro-tibial angles of 175° to 179°, when measured one year after operation, showed recurrence of varus deformity three years after osteotomy. Preoperative ranges of knee motion were well maintained after osteotomy even when arthrotomy had also been undertaken. Intra-articular assessment in two patients, several years after operation, showed that the most degenerated portions of the articular surface were completely covered by a fibrocartilagenous layer, with no bare bone.High tibial osteotomy is most effective in osteoarthritic knees with varus deformity, when correction is made to a femoro-tibial angle (standing) of 170° (10° valgus).

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          Author and article information

          Journal
          Int Orthop
          International orthopaedics
          Springer Science and Business Media LLC
          1432-5195
          0341-2695
          Mar 1979
          : 3
          : 1
          Affiliations
          [1 ] Department of Orthopaedic Surgery, Yokohama City University School of Medicine, Urafune-cho, Minami-ku, 232, Yokohama, Japan.
          Article
          10.1007/BF00266324
          10.1007/BF00266324
          27743108
          58189520-b483-4b43-a67e-ff3848e1e83f

          Knee,Osteoarthritis,Tibial osteotomy
          Knee, Osteoarthritis, Tibial osteotomy

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