“…In the late 20 th century, it was thought that pulmonary valve insufficiency, one of the usually described CHD surgical repair complications that involve RVOT, would be well tolerated by the right ventricle (RV); however, experiences observed in recent years have shown that an important number of patients evolve to right heart failure, lethal arrhythmias, and sudden death [5][6][7][8][9] . Current criteria after RVOT repair in patients with complex CHD, such as tetralogy of Fallot, include clinical criteria (functional class, signs of heart failure) and RV functional variables (ejection fraction, end-systolic [ESV], and end-diastolic volume [ESV]) 9 .…”