• Brijesh P Kottayil, Gopalraj S Sunil, Mahesh Kappanayil, Sweta Harish Mohanty, Edwin Francis, Balu Vaidyanathan, Rakhi Balachandran, Suresh G Nair, and Raman Krishna Kumar.
• Department of Cardiovascular and Thoracic Surgery, Amrita Institute of Medical Sciences and Research Centre, Kochi, Kerala, India.
• Interact Cardiovasc Thorac Surg. 2014 Mar 1;18(3):266-71.

ObjectivesComplex congenital heart defects that present earlier in life are sometimes channelled towards single-ventricle repair, because of anatomical or logistic challenges involved in two-ventricle correction. Given the long-term functional and survival advantage, we have been consciously exploring the feasibility of a biventricular repair in these patients when they present later for Fontan completion.MethodsSince June 2009, 71 patients were referred for staged completion of the Fontan procedure. Following detailed evaluation that included three-dimensional echocardiography and magnetic resonance imaging, 10 patients (Group 1-median age 6 years) were identified and later underwent complex biventricular repair with takedown of Glenn shunt, while completion of extracardiac Fontan repair was done in 61 patients (Group 2-median age 7 years).ResultsTwo-ventricle repair was accomplished in all the 10 Group 1 patients. One patient developed complete heart block requiring permanent pacemaker insertion. Late patch dehiscence occurred in another (awaiting repair). At a median follow-up of 15 months, there was no mortality among the Group 1 patients and all except for 1 patient were symptom free. There were 2 early deaths (3.3%) in the Group 2 patients.ConclusionsTwo-ventricular repair, although surgically challenging, should be considered in all patients with two functional ventricles who come for Fontan completion. Comprehensive preoperative imaging and meticulous planning helps in identifying suitable candidates.

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