This study was designed to assess the effects of the addition of 0.5 mg vecuronium to the standard local anaesthetic mixture used for peribulbar anaesthesia. The study incluchod forty unpremedicated adult patients with ASA status 1-3, subjected to intra-ocular cataract surgery under regional peribulbar anaesthesia. Patients were divided into two equal groups (each 20) : Group A received the standard peribulbar local anaesthetic mixture of 5 ml 2% lignocaine, 5 ml 0.5% bupivacaine, hyaluroniclase 150 IU and 0.25 ml 0.9% saline (control group). Group B received the standard mixture plus 0.25 ml (0.5 mg) vecuronium bromide. Group B explained better globe and lids alcinesia with a lower infraocular pressure. Differences were statistically significant (P<0.05). no ference was noted in the incidence of ptosis or any other postoperative complications. |