[Superficial cervical plexus block in association with laryngeal mask in parathyroid surgery].

Superficial cervical plexus block in association with laryngeal mask for the airways control has improved the postoperative outcome, in comparison with a previous group in general anaesthesia, performed by the same equipment. The local anaesthetic infiltration as a preemptive analgesia give us good evidences in pain control. The laryngeal mask contributes to a good surgical field and avoid the neck hypertension.