Medtronic offers both aortic root cannulae and coronary ostial cannulae. Aortic root cannulae are intended to infuse cardioplegia directly into the aortic root near the aortic valve while coronary ...
At baseline, the aortic root and tubular ascending aorta diameters were 40 mm and 43 mm, respectively. The overall mean progression rate of the ascending aortic diameter was 0.4 mm/year.