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The Journal of Bone & Joint Surgery British Volume
Vol. 77-B, Issue 3 | Pages 387 - 391
1 May 1995
de Pablos J Azcarate J Barrios C

We report the treatment in 17 patients of 27 angular deformities of the long bones by progressive opening-wedge osteotomy. The technique consists of percutaneous osteotomy and progressive angular correction using a modified Wagner distractor. Ten patients (20 bone segments) had adolescent bilateral idiopathic tibia vara with a mean angular deformity of 12 degrees varus (10 to 16). Seven other adolescent patients had secondary angular deformities either at the distal femur or the distal tibia. One of the femoral deformities had an associated 5.5 cm of shortening which was treated simultaneously. The patients with idiopathic tibia vara achieved a final mean angular correction of 15 degrees (mechanical axis from 12 degrees varus to 3 degrees valgus). In patients with secondary angular deformities the mean angular correction was 17 degrees. The Wagner device was removed in an average period of 12 weeks (9 to 27), and no major complications were observed. Progressive opening-wedge osteotomy is an alternative to conventional osteotomies for the treatment of angular deformities of the long bones in adolescent patients, and has the advantage of requiring less invasive surgery, allowing progressive and adjustable correction with bone lengthening if needed.


The Journal of Bone & Joint Surgery British Volume
Vol. 75-B, Issue 4 | Pages 592 - 596
1 Jul 1993
de Pablos J Franzreb M

We have treated 12 adolescent patients with idiopathic tibia vara by asymmetrical physeal distraction using a modified Wagner external fixator. There were no major complications and a mean correction of 13 degrees was achieved. The main advantages of the technique are that no osteotomy, internal fixation or bone graft is needed, and that the operation can be performed on both tibiae simultaneously. No shortening is produced and lengthening can be added to angular correction if required.


The Journal of Bone & Joint Surgery British Volume
Vol. 73-B, Issue 3 | Pages 458 - 460
1 May 1991
De Pablos J Barrios C Canadell J

Limb lengthening by means of distraction through the callus of a knee arthrodesis was performed in a 14-year-old boy with congenital hypoplasia of one lower limb. Knee arthrodesis was indicated because of destruction of the distal femoral epiphysis caused by a previous bone lengthening procedure.