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Abstract: Objectives: We aimed to investigate the association between the different antiphospholipid antibodies (aPL) and both systemic lupus erythematosus (SLE) and antiphospholipid syndrome (APS) manifestations.
Methods: Patients from the RELESSER registry, a Spanish retrospective, cross-sectional, forty-five hospital registry of adult SLE patients, were included.
Results: Out of a total of 3,658 SLE patients, 1372 were aPL positive (555 of them fulfilled criteria for APS). All aPL types showed a negative association with cutaneous SLE manifestations. Lupus anticoagulant (LA) and anticardiolipin antibodies (aCL) were both associated with haematological, ophthalmological and neuropsychiatric manifestations. IgG isotypes were associated with a higher risk of lupus manifestations compared with IgM. We found that the risk of neuropsychiatric and ophthalmological manifestations significantly increased with a higher number of positive aPL whereas the risk of cutaneous symptoms showed a negative correlation. All types of aPL, and more strongly LA, were associated with non-criteria antiphospholipid syndrome (APS) manifestations such as thrombocytopenia and haemolytic anaemia. Moreover, LA and aCL (particularly IgG isotype) were also associated with Libman-Sacks endocarditis and cognitive impairment. This association was stronger with more than one positive aPL. All types of aPL were also associated with classic APS manifestations, although LA, IgG isotypes, and patients with more than one aPL displayed a higher risk.
Conclusions: There is a hierarchy for aPL and the risk of APS and SLE manifestations. aCL, and especially LA, confer a higher risk for major organ involvement in SLE. IgG isotypes seem to have a more important role. The load of aPL confer a higher risk for APS and certain SLE manifestations.
Fuente: Clin Exp Rheumatol
. May-Jun 2021;39(3):555-563
Editorial: Clinical and Experimental Rheumatology
Año de publicación: 2021
Nº de páginas: 9
Tipo de publicación: Artículo de Revista
LEYRE RIANCHO ZARRABEITIA
VICTOR MANUEL MARTINEZ TABOADA
MENA VÁZQUEZ, NATALIA
MENOR ALMAGRO, RAÚL
TOMERO MURIEL, EVA
URIARTE ISACELAYA, ESTHER
FREIRE GONZÁLEZ, MERCEDES
SANTOS SOLER, GREGORIO
RUIZ-LUCEA, MARIA ESTHER