Our May, 2018 Quick Question asks, "How do you measure the oral anti-Xa anticoagulants rivaroxaban, apixaban, edoxaban, and betrixaban?" Here are the answers from our 89 respondents. Prothrombin time (PT ): 4 (4%) Activated partial thromboplastin time (APTT , PTT ): 3 (3%) Chromogenic anti-Xa assay with specific calibrators: 44 (49%) We don't measure the anti-Xa anticoagulants: 38 (44%)
Posts - Quick Question Archive
Jun 5, 2018 6:49pm
Apr 30, 2018 12:14pm
Here are the responses to our April, 2018 Quick Question, "How do you measure the oral direct thrombin inhibitor dabigatran?"
Apr 2, 2018 7:36am
Here are the results of our March, 2018 Quick Question about the appropriate D-dimer controls. What controls are most valid for managing D-dimer assay precision?
Mar 1, 2018 10:00am
In 2008, John Olson, MD provided a lengthy comment on the variabilities of D-dimer assay results, and since then a look-back reveals the number of discussions we've held about the variability in D-dimer reporting and how this affects clinical decision making. In the years since Dr.