title: Heparin levels and activated clotting time (ACT) during open heart surgery.
abstract: Heparin levels were followed by an amidolytic method during open heart surgery in 10 adult patients and correlated to the activated clotting time (ACT) (Haemochron). There was a good correlation between the 2 parameters when the ACT was below 600 s. Based on the present and previous studies of the ACT the authors conclude that the ACT is a useful tool in control of heparinization during open heart surgery.
mesh_terms: D001780:Blood Coagulation Tests; D006348:Cardiac Surgical Procedures; D006493:Heparin / Q000097:blood*; D006801:Humans; D014914:Whole Blood Coagulation Time
chemical_list: D006493:Heparin