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Anesth Analg 2007; 105:1219-1223
© 2007 International Anesthesia Research Society
doi: 10.1213/01.ane.0000287282.21055.db
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CARDIOVASCULAR ANESTHESIOLOGY

Validation and Feasibility of Intraoperative Three-Dimensional Transesophageal Echocardiographic Cardiac Output

William C. Culp, Jr, MD, Timothy R. Ball, MD, and Christopher J. Burnett, MD

From the Division of Cardiothoracic Anesthesiology, Department of Anesthesiology, Scott & White Hospital, The Texas A&M University System Health Science Center College of Medicine, Temple, TX.

Address correspondence and reprint requests to W. C. Culp, Jr., MD, Scott & White Hospital, The Texas A&M University System Health Science Center College of Medicine, Department of Anesthesiology, 2401 South 31st St., Temple, TX 76508. Address e-mail to wculp{at}swmail.sw.org.

Abstract

BACKGROUND: In this pilot study, we attempted to validate three-dimensional transesophageal echocardiography (3DTEE) cardiac output and assess its feasibility intraoperatively.

METHODS: Twenty patients undergoing cardiac surgery underwent simultaneous cardiac output determinations during the clinically stable prebypass period by 3DTEE and thermodilution.

RESULTS: The correlation coefficient between cardiac output measured by the two methods was 0.86. The 3DTEE mean bias was 0.27 L/min, limits of agreement –1.64 to 2.17 L/min (approximately ±35%). Three-dimensional data acquisition averaged 43 s; postprocessing took 7 min.

CONCLUSIONS: Three-dimensional TEE can measure cardiac output and is feasible perioperatively. Measurements have good correlation with thermodilution, though with a significant bias and wide limits of agreement.






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 © 2007 by the International Anesthesia Research Society.