CJA
HOME HELP FEEDBACK SUBSCRIPTIONS ARCHIVE SEARCH TABLE OF CONTENTS
This Article
Right arrow Résumé de cet Article
Right arrow Full Text
Right arrow Full Text (PDF)
Right arrow Submit a scholarly reply
Right arrow Alert me when this article is cited
Right arrow Alert me when eLetters are posted
Right arrow Alert me if a correction is posted
Services
Right arrow Similar articles in this journal
Right arrow Similar articles in PubMed
Right arrow Alert me to new issues of the journal
Right arrow Download to citation manager
Right arrow reprints & permissions
Citing Articles
Right arrow Citing Articles via HighWire
Right arrow Citing Articles via Google Scholar
Google Scholar
Right arrow Articles by Yogendran, S.
Right arrow Articles by Chung, F.
Right arrow Search for Related Content
PubMed
Right arrow PubMed Citation
Right arrow Articles by Yogendran, S.
Right arrow Articles by Chung, F.
Canadian Journal of Anesthesia 52:45-49 (2005)
© Canadian Anesthesiologists' Society, 2005
General Anesthesia

Vital capacity and patient controlled sevoflurane inhalation result in similar induction characteristics

[L’inhalation de sévoflurane à capacité vitale et l’inhalation autocontrôlée induisent l’anesthésie de façon similaire]

Suntheralingam Yogendran, FRCPC, Atul Prabhu, FRCA, Ayman Hendy, MBBS, Glenn McGuire, MD, Charles Imarengiaye, MBBS, Jean Wong, FRCPC and Frances Chung, FRCPC

From the Department of Anesthesia, Toronto Western Hospital, University Health Network, University of Toronto, Toronto, Ontario, Canada.

Address correspondence to: Dr. Suntheralingam Yogendran, Department of Anesthesia, EC 2-046, Toronto Western Hospital, 399 Bathurst Street, Toronto, Ontario M5T 2S8, Canada. Phone: 416-603-5118; Fax: 416-603-6494; E-mail: Suntheralingam.yogendran{at}uhn.on.ca

Purpose: To compare patient controlled inhalational induction (PCI) with the most commonly used sevoflurane induction technique, vital capacity inhalational induction (VCI).

Methods: Following approval of the Research Ethics Board, 124 outpatients undergoing knee arthroscopy were randomly assigned to receive either PCI or VCI sevoflurane followed by laryngeal mask airway (LMA) insertion and sevoflurane maintenance. In the PCI group, the circle circuit was not primed. The patients were asked to hold the facemask themselves and breathe normally with sevoflurane 8% in oxygen at a flow rate of 4 L·min–1. In the VCI group, the circle circuit was primed and patients were asked to take vital capacity breaths with sevoflurane 8% at an oxygen flow rate of 8 L·min–1. The LMA was inserted as soon as the patient’s jaw was relaxed. Time from induction to LMA insertion was recorded and insertion conditions rated. The amount of sevoflurane used for LMA insertion was calculated. Vital signs were monitored at one-minute intervals until ten minutes after LMA insertion.

Results: Demographic data were comparable. There were no differences with respect to LMA insertion time (PCI - 3.4 min vs VCI - 3.3 min), laryngospasm (PCI - 7% vs VCI - 5%), mean arterial pressure, heart rate, SaO2 as well as patient’s overall satisfaction.

Conclusion: PCI was comparable to VCI in sevoflurane induction with respect to the speed of induction, side effects during induction and patient satisfaction. However, PCI requires no special training and is widely applicable to all patient populations.




This article has been cited by other articles:


Home page
 Br J AnaesthHome page
S. T. Yeo, A. Holdcroft, S. M. Yentis, and A. Stewart
Analgesia with sevoflurane during labour: I. Determination of the optimum concentration
Br. J. Anaesth., January 1, 2007; 98(1): 105 - 109.
[Abstract] [Full Text] [PDF]

Home page
 Canadian J. AnesthesiaHome page
M.-J. Colas and R. Martin
Vital capacity and patient-controlled sevoflurane induction
Can J Anesth, October 1, 2005; 52(8): 891 - 891.
[Full Text] [PDF]


HOME HELP FEEDBACK SUBSCRIPTIONS ARCHIVE SEARCH TABLE OF CONTENTS
Copyright © 2005 by the Canadian Anesthesiologists' Society.