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Antiphospholipid antibodies and the risk of thrombocytopenia in patients with systemic lupus erythematosus: A systematic review and meta-analysis.

Abstract：

BACKGROUND:According to criteria for the classification of Systemic Lupus Erythematosus (SLE), thrombocytopenia is one of the disease-defining hematologic disorders. Since the recognition of Antiphospholipid Syndrome (APS), thrombocytopenia was frequently reported but several studies yielded contradictory results on the association between aPL-positivity and thrombocytopenia. METHODS:We evaluated the role of antiphospholipid antibodies (aPL) and different aPL profiles on the risk of thrombocytopenia in SLE patients by conducting a systematic review and meta-analysis of available literature from 1987 to 2018. MEDLINE, EMBASE, Cochrane Library, congress abstracts, and reference lists of eligible studies were searched. Studies were selected if they included SLE patients with descriptions of the exposure to aPL and the outcomes (thrombocytopenia). Two reviewers extracted study characteristics and outcome data from published reports. Estimates were pooled using random effects models and sensitivity analyses. We followed the PRISMA guidelines for all stages of the meta-analysis. PROSPERO registration number: CRD42015027378. RESULTS:From 3278 articles identified, 53 studies met inclusion criteria amounting to 9019 SLE patients. Twenty-nine percent of aPL-positive SLE patients had thrombocytopenia compared to 15.1% in aPL-negative SLE patients. The overall pooled Odds Ratio (OR) for thrombocytopenia in aPL positive patients was 2.48 (95% CI; 2.10-2.93). Among aPL subtypes, the risk of thrombocytopenia was highest for lupus anticoagulant (OR = 3.56 [95% CI, 2.57-5.25]), IgM anti-β2-GP1(OR = 2.87 [95% CI; 2.57-5.25]), IgG and IgM anticardiolipin antibodies (OR = 1.87 [95% CI; 1.52-2.31] and OR = 1.73 [95% CI; 1.36-2.19] respectively). CONCLUSIONS:The occurrence of thrombocytopenia was strongly determined by various aPL profiles in SLE patients. While the association between IgM antibodies and other APS manifestations including thrombosis is debated, IgM isotypes are helpful in the risk stratification of thrombocytopenia in SLE.

journal_name

Autoimmun Rev

journal_title

Autoimmunity reviews

authors

Chock YP,Moulinet T,Dufrost V,Erkan D,Wahl D,Zuily S

doi

10.1016/j.autrev.2019.102395

subject

Has Abstract

pub_date

2019-11-01 00:00:00

pages

102395

issue

eissn

1568-9972

issn

1873-0183

pii

S1568-9972(19)30202-2

journal_volume

pub_type

杂志文章,meta分析

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Antiphospholipid antibodies and the risk of thrombocytopenia in patients with systemic lupus erythematosus: A systematic review and meta-analysis.