This study investigated the association between AAA and the thoracic aneurysm genes ACTA2, COL3A1, EFEMP2, FBN1, MYH11, MYLK, SMAD3, TGBF2, TGFBR1, TGFBR2, and MTHFR (p.Ala222Val). Here, FBN1 is linked to triple-A syndrome.