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Aneurysm of the Sinus of Valsalva In aneurysm of the sinus of Valsalva (congenital aortic sinus aneurysm), there is a gradual downward protrusion of the aneurysm into a lower pressure cardiac chamber and eventually rupture Most of the aneurysm arises from the right coronary sinus (80%) and less frequently from the noncoronary cusp (%)Sep 21, 16 · Sinus of valsalva anatomy Any one of the pouches of the aorta and pulmonary artery which are located behind the flaps of the semilunar valves and into which the blood in its regurgitation toward the heart enters and thereby closes the valves called also aortic sinus The sinuses of valsalva also known as aortic sinuses are the anatomic spacesMar 10, 15 · A sinus of Valsalva aneurysm (SOVA) is an enlargement of the aortic root area between the aortic valve annulus and the sinotubular ridge 1 In a normal heart, the left and right sinus each contain their respective coronary artery ostia, whereas the posterior sinus is a noncoronary sinus The Rol...