| http://www.w3.org/ns/prov#value | - f the balloon, and lumen for transporting cardioplegic or other fluids to an upstream side of the balloon so that it reaches the coronary arteries. [0008] Although the use of an intra-aortic balloon to occlude the aorta in place of an external clamp is believed to significantly reduce the incidence of damage to the aortic tissue and reduce the occurrence of dislodged plaque or calcified material,
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