Medscape4y
Activated Partial Thromboplastin Time versus Antifactor Xa Heparin Assay in Monitoring Unfractionated Heparin by Continuous Intravenous Infusion
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 ...
BMJ Case Reports9d
Acquired haemophilia A following COVID-19 vaccine
Acquired haemophilia A (AHA) is caused by autoantibodies that neutralise Factor VIII (FVIII) and can cause severe bleeding. The COVID-19 vaccine may trigger the development of acquired autoantibodies ...
Healio9y
Low Molecular Weight Heparin (LMWH)
Monitoring drug activity is not usually necessary for LMWH unlike unfractionated heparin which requires close monitoring of the activated partial thromboplastin time (aPTT). Measuring factor Xa ...