Ethnic differences in association of outcomes with trimethylamine N‐oxide in acute heart failure patients

Aims The aim of this study was to investigate whether ethnicity influences the associations between trimethylamine N‐oxide (TMAO) levels and heart failure (HF) outcomes. Methods and results Trimethylamine N‐oxide levels were measured in two cohorts with acute HF at two sites. The UK Leicester cohort consisted mainly of Caucasian ( n = 842, 77%) and South Asian ( n = 129, 12%) patients, whereas patients in the Japanese cohort ( n = 116, 11%) were...