Gut microbe-generated metabolite trimethylamine N-oxide and risk of abdominal aortic aneurysm: a cohort study

By afschroeder • July 16, 2026

Li XS, Wang M, Wang Z, Fan B, Tian MY, Filippazzo J, Lee Y, Mallela DP, Mao K, Liu Y, Lemaitre RN, Xie V, Diaz E, DiDonato JA, Tang WHW, de Oliveira Otto MC, Budoff MJ, Owens AP 3rd, Newman AB, Cameron SJ, Siscovick DS, Lusis AJ, Mozaffarian D, Hazen SL. Gut microbe-generated metabolite trimethylamine N-oxide and risk of abdominal aortic aneurysm: a cohort study. Eur Heart J. 2026 Jul 15:ehag489. doi: 10.1093/eurheartj/ehag489. Epub ahead of print. PMID: 42455761.

Tags: AAA repair, Abdominal aortic aneurysms, Aneurysm rupture, Cardiology/Epi, Gut microbiome, Publications, TMAO

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