Antiphospholipid antibody syndrome

Antiphospholipid syndrome (APS) is a general term for a group of clinical signs caused by antiphospholipid antibodies (APL antibodies). APL antibodies are a group of antibodies that can immunoreact with a variety of antigenic substances containing phospholipid structure. They mainly include lupus anti-coagulant (LA), anti-cardiolipid antibody (ACL antibody), Anti-phosphatidic acid antibodies and anti-phosphatidylinine antibodies The clinical manifestations related to APL antibodies are mainly thrombosis, habitual abortion, thrombocytopenia, and neuropsychiatric symptoms. APS is a common clinical manifestation in SLE patients.