Journal
JOURNAL OF CLINICAL MEDICINE
Volume 10, Issue 6, Pages -Publisher
MDPI
DOI: 10.3390/jcm10061240
Keywords
antiphospholipid antibodies; children; chorea; systemic lupus erythematosus
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Antiphospholipid syndrome (APS) is a systemic autoimmune disorder characterized by increased risks of thrombosis, pregnancy complications, and positive test results for antiphospholipid antibodies (aPLs). The diagnosis of juvenile APS is challenging as the criteria do not include various non-thrombotic clinical manifestations associated with aPLs. Studies have shown that over 40% of children with aPLs only exhibit non-thrombotic aPL-related clinical manifestations.
Antiphospholipid syndrome (APS) is a systemic autoimmune disorder mainly characterised by increased risks of thrombosis and pregnancy morbidity and persistent positive test results for antiphospholipid antibodies (aPLs). The criteria for diagnosing juvenile APS have yet to be validated, while the Sydney classification criteria do not contain several non-thrombotic clinical manifestations associated with the presence of aPLs. As such, difficulties have been encountered in the diagnosis of patients who have no certain thrombotic occlusions. Moreover, extra-criteria manifestations (i.e., clinical manifestations not listed in the classification criteria), including neurologic manifestations (chorea, myelitis and migraine), haematologic manifestations (thrombocytopenia and haemolytic anaemia), livedo reticularis, nephropathy and valvular heart disease have been reported, which suggests that the clinical spectrum of aPL-related manifestations extends beyond that indicated in the classification criteria. Studies have demonstrated that more than 40% of children with aPLs demonstrated non-thrombotic aPL-related clinical manifestations alone. Moreover, our results showed that the pathogenesis of non-criteria manifestations is characterised by APS vasculopathy. The present review introduces the characteristics and findings of non-criteria manifestations observed in juvenile APS.
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