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Article Dans Une Revue Haematologica Année : 2017

Obstetric antiphospholipid syndrome: early variations of angiogenic factors are associated with adverse outcomes

Résumé

The prognostic value of angiogenic factors in newly pregnant women with obstetric antiphospholipid syndrome (oAPS) has not been documented. We observed 513 oAPS who experienced three consecutive spontaneous abortions before the 10th week of gestation or one fetal loss at or beyond the 10th week. We assessed the plasma concentrations of the proangiogenic factor placenta growth factor (PIGF) and of the antiangiogenic factor soluble fms-like tyrosine kinase-1 on the eve and on the 4th day of the low-molecular weight heparin-low-dose aspirin treatment. Placenta growth factor and fms-like tyrosine kinase-1 plasma concentrations showed marked increases. Treatment-associated variations of PIGF and of soluble fms-like tyrosine kinase-1 were antagonist risk factors for placenta-mediated complications (PMC) and for severe PMC, for fetal death, stillbirth and neonatal death. The ratio between PIGF increase and soluble fms-like tyrosine kinase-1 was a summary variable whose best cut-off values (1.944.10-2) had high negative predictive values for PMC (0.918) and may be used to help rule out the development of PMC in evolutive pregnancies after 19 completed weeks. The early variations of PIGF and soluble fms-like tyrosine kinase-1 concentrations in newly pregnant oAPS may help to detect patients at low risk of PMC. (clinicaltrials.gov identifier: 02855047).

Domaines

Hématologie

Dates et versions

hal-01897475 , version 1 (17-10-2018)

Identifiants

Citer

Eva Cochery-Nouvellon, Erick Mercier, Sylvie Bouvier, Jean-Pierre Balducchi, Isabelle Quere, et al.. Obstetric antiphospholipid syndrome: early variations of angiogenic factors are associated with adverse outcomes. Haematologica, 2017, 102 (5), pp.835 - 842. ⟨10.3324/haematol.2016.155184⟩. ⟨hal-01897475⟩
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