Loss of Y chromosome is associated with ⬆️risk of #AAA #AbdominalAorticAneurysm but Not #TAA #ThoracicAorticAneurysm

LOY was measured in blood cells

#UKBiobank
N=221k, 13.5 y f/up

#MassGeneralBrighamBiobank
N=14k

#AortaEd
@mariebillaud.bsky.social #JAMACardio 2026
jamanetwork.com/journals/jam...