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Anesth Analg 2000;91:834-836
© 2000 International Anesthesia Research Society

PEDIATRIC ANESTHESIA

Smaller-than-Expected Sevoflurane Concentrations Using the Sevotec 5® Vaporizer at Low Fill States and High Fresh Gas Flows

Michael A. Seropian, MD, FRCPC, and Berklee Robins, MD

Department of Anesthesiology, Doernbecher Children’s Hospital, Oregon Health Sciences University, Portland, Oregon

Address correspondence and reprint requests to Michael A. Seropian, MD, Oregon Health Sciences University, Doernbecher Children’s Hospital, Department of Anesthesiology, UHS-2, 3181 Sam Jackson Park Rd., Portland, OR 97201. Address e-mail to seropian{at}ohsu.edu

Implications: Smaller-than-expected concentrations of sevoflurane were delivered by Sevotec 5® vaporizers (Datex-Ohmeda, Madison, WI) at low-fill states, 8% dialed concentrations, and high fresh gas flows. Clinically, this would lead to prolonged induction times. The risk of complications from prolonged inhaled induction could be increased when using a vaporizer with these characteristics.




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Lippincott, Williams & Wilkins Anesthesia & Analgesia® is published for the International Anesthesia Research Society® by Lippincott Williams & Wilkins and Stanford University Libraries' HighWire Press®. Copyright 2000 by the International Anesthesia Research Society. Online ISSN: 1526-7598   Print ISSN: 0003-2999 HighWire Press
Copyright © 2000 by the International Anesthesia Research Society.