Tibial osteotomy in medial gonarthrosis

✍ Scribed by Björn Tjörnstrand; Niels Egund; Bengt Hagstedt; Anders Lindstrand

• Publisher: Springer
• Year: 1981
• Tongue: English
• Weight: 595 KB
• Volume: 99
• Category: Article
• ISSN: 1434-3916
• DOI: 10.1007/bf00389742

✦ Synopsis

In a prospective series of 52 knees selected for high tibial osteotomy because of early medial arthrosis, special care was taken to obtain a final overcorrection in valgus The operative procedure and the pre and post-operative radiographic examinations were standardized and the follow up was 1-3 years. 49 of the 52 knees had obtained a normal or overcorrected mechanical axis 45 of these had improved painfree walking distance, and 31 were painfree In 45 knees the arthrotic condition had not progressed, and in 5 of these there were signs of cartilage restitution.

It is concluded that precise correction of medial gonarthrosis can be achieved, and this provides a rational basis for definitive treatment of early stages of this condition; for the majority an endoprothesis operation should not be needed in the future. 1973 ; Hagstedt 1974 ; Coventry 1979 ; Tj 6 rnstrand et al , in press) In medial gonarthrosis the immediate postoperative correction of varus deformity by tibial osteotomy is often lost during the healing period so that the aim of the operation is only partly achieved (Hagstedt 1974 ; Seal and Chan 1975 ; Insall and Shoiji 1976 ; Coventry 1979 ; Koshino et al 1979 ; Tjornstrand, in press).

We therefore started a prospective study of tibial osteotomy for correction of varus deformity in gonarthrosis with a rather rigid selection of patients and precise definition of the operative aim Only cases with early medial arthrosis were selected for the osteotomy, and the patients were usually below 70 years of age The radiographic methods and operative technique were standardized in order to obtain an over-correction in valgus with the mechanical axis lateral to the intercondylar eminence as the final result.