“…From another perspective, APS patients are typically in the hypercoagulable state. However, several conditions, such as hemorrhagic infarction after thrombosis formation, 26 anticoagulant therapy, pulmonary capillaritis, thrombocytopenia, thrombotic microangiopathies, or antibodies against prothrombin, could also appear in APS patients. Therefore, the major hemorrhage could occur in 10% of APS patients 27 .…”