Key result
A fetus with autoimmune mediated congenital complete heart block, ventricular tachycardia, and prolonged QT interval was successfully treated postnatally with beta blockers and pacemaker implantation.
Case Report (n=1)
Highlights the successful management of a rare combination of autoimmune-mediated congenital complete heart block and ventricular tachycardia secondary to QT prolongation using beta blockers and pacing.
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May guide individualized postnatal therapy in rare autoimmune CHB with VT/QT prolongation; leaves open prospective validation.
We report a case where fetal echocardiography identified both complete heart block and ventricular tachycardia. The mother tested positive for anti-Ro antibodies. Prenatal detection of this unusual combination of arrhythmias prompted early postnatal evaluation, which revealed prolongation of the QT interval. Autoimmune mediated congenitally complete heart block associated with such prolongation of the QT interval has a poor prognosis. The child was successfully treated with beta blockers and implantation of a pacemaker.
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Duke et al. (2005) conducted a case report in Autoimmune mediated congenital complete heart block with ventricular tachycardia and prolonged QT interval (n=1). Beta blockers and pacemaker implantation was evaluated on Successful treatment. A fetus with autoimmune mediated congenital complete heart block, ventricular tachycardia, and prolonged QT interval was successfully treated postnatally with beta blockers and pacemaker implantation.
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