Atrioventricular reentrant tachycardia in a child with tricuspid atresia: A case report of catheter ablation.

MEDICINE(2019)

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摘要
Rationale:Atrioventricular reentrant tachycardia (AVRT) is the most common supraventricular tachycardia occurring in children. However, in complex congenital heart disease patients with a different heart anatomy and conduction system morphology, accessory pathway modification may be particularly challenging because of distortion of typical anatomic landmarks.Patient concerns:A 10-year-old boy with tricuspid atresia and history of bidirectional Glenn operation had recurrent chest distress and palpitation for 3 months. He had multiple hospitalizations for narrow-QRS tachycardia with poor hemodynamic tolerance, despite the use of adenosine and amiodarone.Diagnoses:AVRT. Tricuspid atresia with secundum atrial septal defect, large ventricular septal defect, and right ventricular outflow tract stenosis.Interventions:Cardiac catheterization, electrophysiological examination, and ablation.Outcomes:The child has not had a recurrent AVRT during 6 months of follow-up and is waiting for Fontan operation.Lessons:Since there is an increased risk of accessory pathways in patients with tricuspid atresia, all these patients should be checked before the Fontan operation to exclude congenital accessory pathways.
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关键词
Atrioventricular reentrant tachycardia,catheter ablation,children,tricuspid atresia
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