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Anesth Analg 2005;100:354-356
© 2005 International Anesthesia Research Society
doi: 10.1213/01.ANE.0000140245.44494.12

CARDIOVASCULAR ANESTHESIA

Bispectral Index as an Indicator of Cerebral Hypoperfusion During Off-Pump Coronary Artery Bypass Grafting

Thomas M. Hemmerling, MD, DEAA, Jean-François Olivier, MD, Fadi Basile, MD, FRCP(S)*, Nien Le, and Ignatio Prieto, MD, FRCP(S)*

From the Perioperative Cardiac Research Group (PECARG), Departments of Anesthesiology and *Cardiac Surgery, Centre Hospitalier de l’Université de Montréal (CHUM), Hôtel-Dieu, Université de Montréal, Montréal, Québec, Canada

Address correspondence and reprint requests to Thomas M. Hemmerling, MD, DEAA, Centre Hospitalier de l’Université de Montréal (CHUM), Hôtel-Dieu, Université de Montréal, 3840, rue Saint-Urbain, Montréal, Québec, Canada. Address e-mail to thomashemmerling{at}hotmail.com.

Bradycardia and hypotension are common during off-pump coronary artery bypass grafting (OPCAB). We present a case of possible reversible global cerebral hypoperfusion during distal grafting of the left circumflex coronary artery. The bispectral index (BIS) suddenly decreased from values of 45–50 to 0 during distal grafting. Neurologic evaluation after immediate tracheal extubation in the operating room was normal and the 58 yr old patient did not suffer any neurologic sequelae. Postoperative recovery was uneventful and the patient was discharged 5 days after surgery. Cerebral hypoperfusion is a possible complication during OPCAB. BIS monitoring in OPCAB could be an indicator of cerebral hypoperfusion.




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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 © 2005 by the International Anesthesia Research Society.