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Canadian Journal of Anesthesia, Vol 2, 273-280, Copyright © 1955 by Canadian Anesthesiologists' Society

The Role of Carbon Dioxide in Anaesthesia

J E. MERRIMAN M.D, C.M., F.R.C.P.(C)1

1 Assistant Professor of Physiology, Clinical Demonstrator in Medicine, Departments of Physiology and Medicine, College of Medicine, University of Saskatchewan, Saskatoon, Sask.

The physiology of CO2 is briefly reviewed. Inadequate alveolar ventilation does occur during anaesthesia in normal individuals, and this results in CO2 retention and respiratory acidosis. Some of the contributing factors to this undesirable result are discussed, they 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.

Note:

Presented at the Tenth Annual meeting of the Canadian Anaesthetists' Society, Western Divisions, Regina, Sask, April 21–3, 1955






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Copyright © 1955 by the Canadian Anesthesiologists' Society.