[Diagnostic difficulties and possibilities in nerve damage of the extremities].

In 978 patients, clinico-neurological and electrophysiological investigation was performed in order to obtain differential diagnostic tools for the extent of nerve damage. Preoperatively, only clinico-neurological signs of complete or severe conductivity impairment, without electrophysiological investigations, can provide indications to the nerve suturing or neurolysis. Electrophysiological signs of complete lack of conductivity are indications to operation (taking into account the type, duration and level of the trunk lesion), and partial conductivity impairment is a counterindication to surgery.