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Canadian Journal of Anesthesia, Vol 24, 615-617, Copyright © 1977 by Canadian Anesthesiologists' Society

Prevention of Obstruction of Nasopharyngeal Cpap Tubes by Adequate Humidification of Inspired Gases

H.F. L. POLLETT B.Sc., M.D.1 and W. D. REID M.D., F.R.C.P.(C)2

1 Department of Anaesthesia, Victoria Hospital, London, Ontario
2 Department of Paediatrics, Victoria Hospital, London, Ontario

Nasopharyngeal CPAP is a simple and useful technique for increasing FRC and stimulating respiration in small premature infants. However, as it is essentially a non-rebreathing technique, the gases used should be warmed and saturated to the level normally found in the pharynx with no artificial airway present (31° to 33° C, 90 per cent plus relative humidity). If this is not done, crusting, mucous plugging, atelectasis, hypoxia, and infection will occur rapidly. Excess humidity should also be avoided.






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Copyright © 1977 by the Canadian Anesthesiologists' Society.