IMR Press / CEOG / Volume 44 / Issue 1 / DOI: 10.12891/ceog3334.2017

Clinical and Experimental Obstetrics & Gynecology (CEOG) is published by IMR Press from Volume 47 Issue 1 (2020). Previous articles were published by another publisher on a subscription basis, and they are hosted by IMR Press on as a courtesy and upon agreement with S.O.G.

Case Report
Resolution of hydrops fetalis caused by atrioventricular block: good postnatal evolution with terbutaline treatment
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1 Department of Obstetrics and Gynaecology, Valme University Hospital, Seville, Spain
2 Pediatric Cardiology and Pediatric Cardiac Surgery Department, Virgen del Rocío University Children´s Hospital, Seville, Spain
Clin. Exp. Obstet. Gynecol. 2017, 44(1), 154–156;
Published: 10 February 2017

Introduction: Complete atrioventricular block (CAVB) is rarely seen, as it occurs in only 1:11 000 to 1:20 000 newborns. There is a serious risk of mortality in CAVB, mainly in those cases associated with hydrops, fetal cardiac frequency ≤ 55 beats/minute, and premature delivery. Case Report: Case of complete atrioventricular block with a poor prognosis (hydrops fetalis and foetal cardiac frequency < 5 beats/minute) caused by anti-La and anti-Ro antibodies. Intrauterine symptoms improved after treatment with terbutaline, permitting foetal viability and successful postnatal treatment with a cardiac pacemaker. Discussion: In case of complete atrioventricular block of cause autoimmune with poor prognosis should be treated with positive inotropic drugs, anticholinergics or b-mimetic in the attempt to maintain adequate ventricular frequency, and thus prevent hydrops fetalis from occurring.
Congenital atrioventricular block
Fetal arrhythmias
Fetal cardiology
Hydrops fetalis
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