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Cerebral Effects in Superior Vena Caval Cannula Obstruction: The Role of Brain Monitoring
Authors:Rosendo A Rodriguez MD  PhD  Garry Cornel FRCS  Lloyd Semelhago MD  William M Splinter MD  Nihal A Weerasena FRCS
Affiliation:

A Division of Cardiovascular Surgery, Department of Surgery, Children’s Hospital of Eastern Ontario and University of Ottawa, Ottawa, Ontario, Canada

B Department of Anaesthesia, Children’s Hospital of Eastern Ontario and University of Ottawa, Ottawa, Ontario, Canada

Abstract:A pediatric cardiac case of transient obstruction of the superior vena cava by the venous cannula before cardiopulmonary bypass is presented. With venous obstruction and increase in central venous pressure, reduced cerebral blood flow velocities and absence of diastolic Doppler flow were detected. This was followed by regional cerebral venous oxygen desaturation and global electroencephalographic slowing. Reposition of the venous cannula led to the recovery of these physiologic indicators and a noncomplicated clinical outcome.
Keywords:
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