To the Editor. The use of cryopreserved homografts as complete aortic root replacements was introduced for the first time over 3 decades ago with considerable advantages with respect to biological heart valves such as greater durability. lower risk of endocarditis. and better hemodynamic profile with a much greater preservation of the ventricular function in the long run. https://nerdzoics.shop/product-category/action-figure-accessory-sets/