• J Postel and P März.
• Reg Anaesth. 1984 Jul 1; 7 (3): 104-8.

AbstractA technique for sub-axillary blockade of the brachial plexus by means of a special catheter set is presented. A plastic self-retaining cannula is placed within the vasomotor nerve sheath, using the advantages of electric nerve stimulation. In our opinion the decisive advantages of this procedure lie in the fact that the user is not dependent on the cooperation of the patient and anatomical orientation takes place on the basis of clear and objective criteria through the muscle contractions induced in this way. If required, a catheter can be inserted into the vasomotor nerve sheath, without any additional expenditure of time, through the small-lumen puncture cannula by the Seldinger technique. If this procedure is carried out properly there is practically no danger of neural and vascular injuries. This method makes subsequent injections into the vasomotor nerve sheath through repeated puncture unnecessary. The catheter technique makes it possible to operate on the upper extremity using regional anaesthesia, whose effects can be prolonged beyond those of long-acting anaesthetics. The possibility of incomplete blockade resulting from individual variations in the amounts of local anaesthetics needed, is excluded and the anaesthetist can, if necessary, carry out pre- and post-operative pain therapy.

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