RT Journal Article SR Electronic A1 Vinall, Maria T1 Recent Trials in Perioperative Cardiology: A Summary JF MD Conference Express YR 2014 FD SAGE Publications VO 14 IS 40 SP 17 OP 18 DO 10.1177/155989771440011 UL http://mdc.sagepub.com/content/14/40/17.abstract AB Current themes in clinical trials include a movement toward large size, composite outcomes, and factorial designs. The studies reported in this session represent all 3 of these trends—most evidently, large study populations.