RT Journal Article SR Electronic A1 Coltrera, Francesca T1 LEGACY JF MD Conference Express YR 2015 FD SAGE Publications VO 15 IS 5 SP 19 OP 21 DO 10.1177/1559897715583797 UL http://mdc.sagepub.com/content/15/5/19.abstract AB Weight loss in patients with atrial fibrillation and a body mass index > 27 kg/m is associated with dose-dependent improved control of sinus rhythm and lower atrial fibrillation burden, according to the 5-year LEGACY study. However, > 5% weight fluctuation can offset these benefits.