The most common methods for monitoring UFH are the activated partial thromboplastin time (aPTT) and antifactor Xa heparin assay (anti-Xa HA), but both present challenges, and the optimal method to ...

Background: Both the activated partial thromboplastin time (aPTT) and anti-Xa assay can be used to monitor unfractionated heparin (UFH). Following implementation of an anti-Xa method for heparin ...

Unfractionated Heparin (UFH): A type of anticoagulant that prevents blood clotting by inhibiting certain clotting factors in the blood. Activated Partial Thromboplastin Time (aPTT): A laboratory ...

or heparin-induced thrombocytopenia and thrombosis (HITT). History of thrombocytopenia with pentosan polysulfate. Hypersensitivity to pork products. When blood coagulation testing is not feasible.