Antegrade cerebral perfusion (ACP) is used widely, with the aim of obtaining cerebral protection during open aortic arch surgery. ACP is considered by many to be the reason for improvements in the clinical outcome of this type of surgery. However, perioperative cerebral complications may still occur. Cerebral complications during ACP are considered to be due mainly to embolic events rather than hypoperfusion. We believe that many of the embolic events during ACP may be due to air embolism rather than to vessel manipulation only. To reduce the risk of air embolism during ACP, we propose an easy technique, with the suggested steps to be followed in an exact sequence.
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