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Pregnancy With SLE and Fetal Congenital Heart Block: A Case Report

Suman Puri1, Puneet Pooni2, Bishav Mohan3

  • 1Department of Obstetrics and Gynaecology, Dayanand Medical College and Hospital, Ludhiana, India.

Cardiology Research
|March 30, 2017
PubMed

Autoimmune AV block is usually seen in association with autoimmune antibodies in mother that cross the placenta and damage the AV node of fetus. A 24-year-old primigravida, diagnosed to have SLE, at 25 weeks period of gestation found to have fetal bradycardia. Her ANA was moderately positive, SS-A (Ro) antibodies and SS-B (La) antibodies were positive. Fetal ECHO showed no structural defect but heart rate was 55 - 60 beats per minute. She was put on dexamethasone (4 mg/day). She was lost on follow up and presented at term in emergency with labor pains and fetal bradycardia, underwent a lower segment caesarean section. Baby underwent a temporary cardiac pacing within 10 hours of birth followed by permanent pacing on day 3 of birth. Baby is doing well on follow up. Neonates with isolated congenital heart block who are monitored antenatally and delivered in a planned fashion at an institution capable of early pacing can have favorable outcomes.

Keywords:
Fetal bradycardiaFetal congenital heart blockSLE with pregnancy

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