Anesth Analg 2006;103:1464-1465
© 2006 International Anesthesia Research Society
doi: 10.1213/01.ane.0000247700.71278.70
ANESTHETIC PHARMACOLOGY
The Effect of Too Much Intravenous Lidocaine on Bispectral Index
Cheryl M. Gaughen, MD, and
Marcel Durieux, MD, PhD
From the Department of Anesthesiology, University of Virginia Health System, Charlottesville, Virginia.
Address correspondence and reprint requests to Marcel E. Durieux, MD, PhD, Department of Anesthesiology, University of Virginia Health System, Box 800710, Charlottesville, VA 22908. Address e-mail to durieux{at}virginia.edu.
Systemic local anesthetics have beneficial perioperative properties and have an anesthetic-sparing effect. To assess depth of anesthesia during lidocaine infusion, it would be important to know the effect of systemic local anesthetics on bispectral index (BIS). However, this has not been investigated. We report an inadvertent overdose of IV lidocaine in a patient monitored with BIS. BIS decreased to 0 for approximately 15 min, indicating that lidocaine and sevoflurane interact to decrease BIS.
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