Intermittent positive pressure ventilation, utilizing the Venturi principle by means of a needle and catheter inserted into the trachea of patients undergoing microlaryngosurgery, is presented as an alternative to conventional endotracheal anaesthesia.
In order to investigate the incidence of scoline pains in Bantu, 113 patients of both sexes who underwent a variety of surgical procedures were questioned as to muscle pains immediately upon awakening and again 24 - 48 hours after the operation. No patient complained of muscle pains and postoperative exercises presented no problem as far as muscle or joint stiffness was concerned.
End-tidal oxygen tension was measured in 13 mechanically ventilated patients by a simple method, This measurement was substituted for 'ideal-aiveolar' oxygen tensions in assessing respiratory integrity and progress.
The competence of the laryngeal-closure reflex was assessed in a group of patients using ketamine as the sole anaesthetic agent, without any premedication. All these patients had competent reflexes under anaesthesia.
The effects in the rat of mul;iple anaesthetics with halothane, diethyl-ether and fluroxene administered in the presence of microsomal enzyme induction on the liver function and histology are descriptionbed.