Factor deficiency or inhibition. The possible causes of the isolated prolonged aPTT in this case include factor deficiencies and factor inhibitors. Prolongation of both the PT and aPTT suggests ...

Activated Partial Thromboplastin Time (aPTT or APTT): is a medical test that characterizes blood coagulation. Partial thromboplastin time (PTT) measures the overall speed at which blood clots by means ...

(HealthDay News) — Most routine coagulation tests can be reliably evaluated after storage at room temperature for up to 8 hours after blood collection, according to a study published in the ...

Background: Unfractionated heparin (UFH) has been used clinically for 5 decades. Despite being a cornerstone of anticoagulation, UFH is limited by its unpredictable pharmacokinetic profile, which ...

There are several lab tests for hemophilia. However, the main tests detect the clotting activity of factors VIII and IX, which are proteins in the blood. Hemophilia is a bleeding disorder in which an ...

Drug resistance is defined as the lack of expected response to a standard therapeutic dose of a drug or as resistance resulting from biologic changes in the target, as occurs in antibiotic resistance.