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  • Title: [Neonatal lupus syndrome: Literature review].
    Author: Morel N, Georgin-Lavialle S, Levesque K, Guettrot-Imbert G, Le Guern V, Le Bidois J, Bessières B, Brouzes C, Le Mercier D, Villain E, Maltret A, Costedoat-Chalumeau N.
    Journal: Rev Med Interne; 2015 Mar; 36(3):159-66. PubMed ID: 25240481.
    Abstract:
    Neonatal lupus syndrome is associated with transplacental passage of maternal anti-SSA/Ro and anti-SSB/La antibodies. Children display cutaneous, hematological, liver or cardiac features. Cardiac manifestations include congenital heart block (CHB); endocardial fibroelastosis and dilated cardiomyopathy. The prevalence of CHB in newborns of anti-Ro/SSA positive women with known connective tissue disease is between 1 and 2% and the risk of recurrence is around 19%. Skin and systemic lesions are transient, whereas CHB is definitive and associated with significant morbidity and a mortality of 18%. A pacemaker must be implanted in 2/3 of cases. Myocarditis may be associated or appear secondly. Mothers of children with CHB are usually asymptomatic or display Sjogren's syndrome or undifferentiated connective tissue disease. In anti-Ro/SSA positive pregnant women, fetal echocardiography should be performed at least every 2 weeks from the 16th to 24th week gestation. An electrocardiogram should be performed for all newborn babies. The benefit of fluorinated corticosteroid therapy for CHB detected in utero remains unclear. Maternal use of hydroxychloroquine may be associated with a decreased recurrent CHB risk in a subsequent offspring. A prospective study is actually ongoing to confirm these findings.
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