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  • Title: Continuous intravenous anesthesia with etomidate for carbon dioxide laser surgery of the larynx.
    Author: Sia RL, Zandstra DF, van Overbeek JJ.
    Journal: Anesth Analg; 1982 Dec; 61(12):993-6. PubMed ID: 6816098.
    Abstract:
    Twenty-five adult patients undergoing carbon dioxide laser surgery for benign and malignant disease of the larynx were given continuous infusion of etomidate at 60 micrograms . kg-1 . min-1 for induction of anesthesia. Maintenance anesthesia was continued using one of three infusion rates: 20 micrograms . kg-1 . min-1 (n = 5), 30 micrograms . kg-1 . min-1 (n = 10), and 40 micrograms . kg-1 . min-1 (n = 10) of etomidate in air-oxygen mixture. Muscular relaxation was achieved by continuous infusion of succinylcholine, and fentanyl was used for analgesia. Continuous etomidate infusion for induction of anesthesia resulted in a significant decrease in the incidence of pain along the injection site to 8% and involuntary muscular movements to 12% compared with 35% and 44%, respectively, in a group of 25 adult patients undergoing endoscopic procedure who received intravenously a single volus injection of etomidate (0.3 mg .g kg-1). However, a prolonged recovery time was observed after 30 minutes of continuous etomidate infusion.
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