The investigators expect that the using of prothesis with sinuses has more benefits for long term competence and condition of aortic valve than the using of straight prothesis.

Inclusion Criteria:

1. Aortic insufficiency 2+
2. Ascending aorta size more than 5 cm
3. Ascending aorta size more than 4,5 cm (Marfan syndrome)
4. Good conditions of aortic cusps

Exclusion Criteria:

1. Aortic annulus more than 30 mm
2. Aortic cusps destruction
3. Critical aortic cusps elongation
4. Aortic root dissection