Of the American heart association, and an expert consensus document of the American college of cardiology foundation. Circulation 2010, 121:2694?701. 12. Perk J, De Backer G, Gohlke H, Graham I, Reiner Z, Verschuren M, Albus C, Benlian P, Boysen G, Cifkova R, Deaton C, Ebrahim S, Fisher M, Germano G,We describe results of a single-center study, with a limited number of enrolled patients. This was