COL3A1 and Loeys-Dietz syndrome: Autosomal dominant conditions such as Marfan syndrome (MFS) caused by variants in FBN1 gene (52), vascular Ehlers-Danlos syndrome (vEDS) caused by variants in COL3A1 (53) and Loeys-Dietz syndrome (LDS) caused by variants in TGFBR1, TGFBR2 and SMAD3 (54, 55), among other genes, have been considered as potential disorders favoring SCeAD (3, 56).