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The Journal of Bone & Joint Surgery British Volume
Vol. 73-B, Issue 6 | Pages 927 - 931
1 Nov 1991
Ogata K Yoshii I Kawamura H Miura H Arizono T Sugioka Y

The use of standing radiographs to determine correction angles for high tibial osteotomy is not appropriate because the relative angle of the articular surfaces (condylar-plateau angle) in the weight-bearing knee changes after the osteotomy. This may give unpredictable results postoperatively. We found that the condylar-plateau angle in postoperative standing films is very similar to that seen in non-weight-bearing supine views, and suggest that these latter radiographs be used for pre-operative planning. We describe our early results, using a special osteotomy jig, in 140 knees.