Abstract
As the survival rate of patients with complex congenital heart disease has improved and the number of adult patients with congenital heart disease has risen, arrhythmias and heart failure have become important issues in these patients. Cardiac implantable electronic devices, including pacemakers, are also on the rise. Transvenous implantation or epicardial pacemaker implantation is challenging in patients with complex congenital heart disease. Here we report a case in which a dual-chamber pacing, dual-chamber sensing, dual response and rate-adaptive (DDDR) pacemaker was implanted transvenously into a patient with congenital heart disease. A 34-year-old male with extracardiac conduit Fontan circulation complained of dizziness; an electrocardiogram revealed junctional bradycardia. We performed transvenous implantation of a DDDR pacemaker via trans-conduit puncture. In conclusion, transvenous implantation of a pacemaker is feasible in patients with extracardiac conduit Fontan circulation. (Korean J Med 2015;88:299-302)
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