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Anesth Analg 1977; 56:84-87
© 1977 International Anesthesia Research Society
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Is the Bain Breathing Circuit the Future Anesthesia System? An Evaluation

YOUNG K. CHU, MD*, KANG H. RAH, MD{dagger}, and C. PAUL BOYAN, MD{ddagger}

* Assistant Professor., Department of Anesthesiology, Medical College of Virginia, Richmond, Virginia 23298. {dagger}Resident in Anesthesiology., Department of Anesthesiology, Medical College of Virginia, Richmond, Virginia 23298. {ddagger}Professor and Chairman., Department of Anesthesiology, Medical College of Virginia, Richmond, Virginia 23298.

Abstract

The Bain breathing circuit, a modified Maple-son D system, was evaluated with regard to oxygenation and CO2 elimination under controlled conditions and compared with the presently popular semi closed breathing circuit (SCBC) with CO2 absorber.

The authors demonstrated that the Bain system compares favorably with the SCBC in regard to oxygenation of manually ventilated patients with fresh gas inflow of 70 ml/kg/min while maintaining a Paco2 at a mean of 38 torr versus an SCBC mean of 32 torr. The authors were impressed with the clinical simplicity, efficiency, and versatility of the Bain system and believe that it will play a major role in the future of anesthesia-machine design.






Lippincott, Williams & Wilkins Anesthesia & Analgesia® is published for the International Anesthesia Research Society® by Lippincott Williams & Wilkins with the assistance of Stanford University Libraries' HighWire Press®. Copyright 2006 by the International Anesthesia Research Society. Online ISSN: 1526-7598   Print ISSN: 0003-2999 HighWire Press
Copyright © 1977 by the International Anesthesia Research Society.