IT IS NOT UNCOMMON to encounter inadequate venous drainage during cardiopulmonary
bypass. Some common causes include poor positioning and obstruction of the venous
cannula, increased resistance due to the small diameter of the venous cannula, and
kinks in the tubing that connects the venous cannula to the venous reservoir. We report
a case of atrial septal aneurysm (ASA) impairing venous drainage from a 2-stage venous
cannula in right atrium during a routine cardiac surgery case requiring cardiopulmonary
bypass (CPB). Intraoperative transesophageal echocardiogram (TEE) was instrumental
in diagnosis and treatment of the decreased venous drainage.
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Article info
Footnotes
This work was supported by the Department of Anesthesiology and Pain Medicine, University of California Davis Health System.
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© 2013 Elsevier Inc. Published by Elsevier Inc. All rights reserved.
