[Arthrodesis and external fixation].

Though operative arthrodesis is less often indicated than before, in the knee and upper-ankle joints it is more successful than artificial joints. In cases of irreparable neuro-paralysis it is often the only alternative for the lower extremities. Today's external fixation and the standardization of its operative technique make good stability possible, thus improving preconditions for consolidation of the resected articular surfaces, above all for the knee and upper-ankle joints. On the basis of 158 arthrodeses performed over a period of 10 years indications, technique and success rate are described.