Anticoagulation and Neutralization in Open Henri Operations

Because öf the necessity of extracorporeal circulation in openheart operations, the patients blood is contacted with the foreign surfaces of oxygenator and iubbing sets. This causes coagulation of blood_ For this reason, before extracorporeal circulation the patients is hepar inised. in hepariniza-tion without checking, more heparine and to neuiralized it, more prolamirze is used. In extra corporeal circulation ta ascertain optimal heparine dose and protamine dillerent tesis are used. ACT is the most used rest between thern (1). In this study, we try ta stress that ACT is on. Important test to decrease the doses and to obrain security in anticoagulation.