Cardiopulmonary Bypass

New instrument more accurately measures heparin, helps stop bleeding

Published in Blood Weekly, March 27th, 2003

A recent study shows that a new instrument measures heparin concentration in the blood of patients undergoing cardiopulmonary bypass (CPB) more accurately than its predecessors, reducing postoperative bleeding.

The challenge in measuring heparin activity during CPB is that hemodilution has a remarkably negative impact on traditional measurement methods. In this study, an instrument commonly used today consistently indicated a reduction in heparin concentration after initiation of CPB even though the concentration actually rises because of the heparin that is added to the pump. The study showed that a new instrument, Rapidpoint Coag/Accent, overcomes this problem. ...

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Source: Blood Weekly (2003-03-27)

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