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Canadian Journal of Anesthesia, Vol 11, 586-597, Copyright © 1964 by Canadian Anesthesiologists' Society

Immediate Postoperative Care, with Particular Reference to Blood-Gas Studies

C R STEPHEN MD1 and I TALTON MD1

1 Division of Anesthesiology, Duke University Medical Center, Durham, North Carolina

1 The present concept that the "normal" arterial oxygen tenkion is 100 mm Hg may have to be altered In patients being prepared for elective surgical procedures, the average oxygen tension was 80 4 mm Hg

2 In the immediate postoperative period, arterial hypoxaemu was present in all patients who were allowed to breathe room air At the time the pH and carbon dioxide tensions of the arterial blood were within normal limits

3 Patients in the age group over 50 showed greater degrees of arterial hypoxaemia than those under 50

4 The administration of oxygen by mask or nasal catheter postoperatively corrected the low arterial oxygen tensions All patients should receive oxygen in the postoperative period

5 The most likely explanation for the arterial hypoxaemia is a disturbance in the ventilation-perfusion ratio in the lungs






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Copyright © 1964 by the Canadian Anesthesiologists' Society.