Risk factors include: Not everyone who tests positive for antiphospholipid antibodies develops blood clots. There are certain ...

Antiphospholipid antibodies (present in the serum of patients with APS) are known to induce platelet activation and the production of procoagulants such as von Willebrand factor, thereby ...

Some of these antibodies also interfere with phospholipid-dependent coagulation tests and these inhibitors are called lupus anticoagulant ... heparin-induced thrombocytopenia, the antiphospholipid ...

Therefore, batteries of tests, including the aPTT, KCT, dRVVT, and others, need to be done to increase the yield. [10] Test results may be unreliable in patients anticoagulated with warfarin ...