The role of carbon dioxide in anaesthesia

Abstract

The physiology of CO2 is briefly reviewed. Inadequate alveolar ventilation does occur during anaesthesia m normsLl individuals, and this results in CO2 retention and respiratory acidosis Some of the contributing factors to this undesirable result are discussed, the include the use of preoperative and anaesthetic drugs, and the position of the patient. The syndrome of CO2 narcosis is discussed. The vascular effects of hypercapnia are reviewed in relation to the syndrome of cyclopropane shock. Five per cent CO2 in oxygen is not recommended as a resuscitating agent. © 1955 Canadian Anesthesiologists.