Fontan Conversion: Identifying the High-Risk Patient

Patients with atriopulmonary Fontan tend to undergo conversion to total cavopulmonary connections secondary to arrhythmias or poor flow dynamics. However, the ideal candidate is unknown.Between December 1994 and May 2011, 70 patients (40 males [57%]) underwent Fontan conversion. Median age was 23 years (range, 4 to 46 years). Excluded were 1.5 ventricle conversions. The most common diagnoses included tricuspid atresia in 34 patients (49%) and...