“…5,6 Cardiovascular defects are the most frequent cause of death in these patients, and are present in up to 80% of cases, being even more prevalent during childhood. 7 For this reason, there is a need to carry out an early cardiovascular study in this population, in order to detect defects and reduce morbidity and mortality. This study should focus on at least five aspects: intracardiac anatomy, the search for systemic arterial disease, coronary disease, hypertension, and evaluation of electrical conduction systems 7 ; being the stenosis of the arteries the most frequent finding, 5 with damage in those of medium and large diameter.…”