Highlights the importance of antenatal evaluation for maternal autoimmune disease in cases of fetal bradycardia to prevent immune-mediated injuries to the cardiac conduction system.
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May support anti-Ro screening in fetal AV block; hypothesis-generating and should not yet change practice.
OBJECTIVE: We present a case of fetal complete atrioventricular block, diagnosed by the M mode of two-dimensional ultrasound, that was complicated with polyhydramnios and bilateral hydrocele. CASE REPORT: The fetus was delivered at 38 weeks' gestation by caesarean section. Postpartum autoimmune survey disclosed positive anti-Ro antibodies (SS-A) for both the mother and the newborn. Severe neonatal bradycardia with complete atrioventricular block was identified. CONCLUSION: Antenatal evaluation for a maternal history of autoimmune disease (especially systemic lupus erythematosus) and prevention of fetal bradycardia by reducing immune-mediated injuries on the cardiac conduction system are important.
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Yi et al. (2006) studied this question.
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