Abstract
The results of treatment using the Herbert screw in 50 consecutive patients with delayed or established non-union of the scaphoid are reported. 14% of these fractures failed to unite after operation and a further 20% required prolonged protection, uniting within six months. There were significant technical problems in 28% of operations. A bone graft was only used when there was significant collapse of the scaphoid (52%) and the cases without graft did just as well. Overall, the results do not support the view that this method of treatment is a significant advance over Russe grafting in terms of union rates, but confirm that it produces similar results without the need for prolonged immobilisation and without the need for bone grafting in almost half the cases, although there can be significant technical problems with the procedure.
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