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 ...

Sixty-two of the 102 procedures were performed on patients ... only if there were no abnormalities of the prothrombin time, the partial thromboplastin time and the blood platelets (Wright's ...