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The Journal of Bone & Joint Surgery British Volume
Vol. 88-B, Issue 10 | Pages 1336 - 1340
1 Oct 2006
Aoki Y Yasuda K Mikami S Ohmoto H Majima T Minami A

We compared the results ten years after an inverted V-shaped high tibial osteotomy with those of a historical series of conventional closing-wedge osteotomies. The closing-wedge series consisted of 56 knees in 51 patients with a mean follow-up of 11 years (10 to 15). The inverted V-shaped osteotomy was evaluated in 48 knees in 43 patients at a mean follow-up of 14 years (10 to 19). All the patients were scored using the Japanese Orthopaedic Association rating scale for osteoarthritis of the knee and radiological assessment.

The pre-operative grade of osteoarthritis was similar in both groups. Post-operatively, the knee function score was graded as satisfactory in 63% (35) of the closing-wedge group but in 89% (43) of the inverted V-shaped osteotomy group. Post-operative radiological examination showed that delayed union and loss of correction occurred more often after a closing-wedge osteotomy than after an inverted V-shaped procedure.

Our study suggests that the inverted V-shaped osteotomy may offer more dependable long-term results than traditional closing-wedge osteotomy.

The Journal of Bone & Joint Surgery British Volume
Vol. 70-B, Issue 5 | Pages 837 - 837
1 Nov 1988
Yasuda K Majima T