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The Journal of Bone & Joint Surgery British Volume
Vol. 85-B, Issue 1 | Pages 74 - 77
1 Jan 2003
Simonis RB Nuñez VA Khaleel A

Between 1993 and 2000 we treated 14 patients with nonunion of fractures of the distal humerus; 11 had already had previous fixation which had failed. The mean time to surgery was 21 months after injury. All the fractures were very low which made it difficult to obtain a firm hold of the small distal fragment. The problem of fixation was addressed by inserting a Coventry infant hip screw into the humeral condyles. The screw has a thread of wide diameter which gives excellent purchase on the small distal fragment. The condyles can then be compressed on to the humeral shaft using a 4.5 mm narrow tibial dynamic plate. Of these 14 difficult cases of nonunion, 12 progressed to union.


The Journal of Bone & Joint Surgery British Volume
Vol. 84-B, Issue 1 | Pages 30 - 33
1 Jan 2002
Davey PA Simonis RB

We treated 19 patients with established nonunion of the radius and/or ulna by the excision of avascular bone and the grafting of blocks of corticocancellous bone from the iliac crest, augmented by rigid plate fixation under compression. This allowed early mobilisation, and bony union was achieved between three and 24 months after operation in all but one of the patients. The single failure was attributed to the excessive length of the defect (100 mm) and inadequate fixation.


The Journal of Bone & Joint Surgery British Volume
Vol. 83-B, Issue 2 | Pages 199 - 203
1 Mar 2001
Dennison MG Pool RD Simonis RB Singh BS

Between 1994 and 1999, we treated six patients with avascular necrosis of the talus by excision of the necrotic body of the talus and tibiocalcaneal fusion using an Ilizarov frame. This was combined with corticotomy and a lengthening procedure. Shortening was corrected in all patients except two, who were over 60 years of age.

All patients had previous operations which had failed. All achieved solid bony fusion, with five out of six having either a good or an excellent result.

We conclude that this is an effective reconstructive technique which gives a good functional result.


The Journal of Bone & Joint Surgery British Volume
Vol. 82-B, Issue 7 | Pages 977 - 983
1 Sep 2000
Patel VR Menon DK Pool RD Simonis RB

We used the Ilizarov circular external fixator to treat 16 patients with persistent nonunion of the diaphysis of the humerus despite surgical treatment. All patients had pain and severe functional impairment of the affected arm. In ten, nonunion followed intramedullary nailing. We successfully treated these by a closed technique. The nail was left in place and the fracture compressed over it. The fractures of the other six patients had previously been fixed by various methods. We explored these nonunions, removed the fixation devices and excised fibrous tissue and dead bone before stabilising with the Ilizarov fixator. In five patients union was achieved. Bone grafting was not required. In the single patient in whom treatment failed, there had been a severely comminuted open fracture. All except one patient had reduction of pain, and all reported an improvement in function.