Bentall Operation

What is it?

Technical difficulty:
Average duration of the intervention:
4-5 hours
Average duration of hospitalization:
7-10 days

When is this procedure indicated?

Aneurysm is the most common condition of the thoracic aorta that requires surgical treatment. This pathological condition can lead to an increased risk of aortic wall free rupture or acute aortic dissection, both burdened with high mortality rate. According to the last European Guidelines surgery is indicated in patients who have an ascending aorta diameter more than 55 mm, with lower threshold in presence of elastopathy or bicuspid aortic valve with risk factors associated. When the aortic root is also interested from the aneurismal disease, presenting loss of the sino-tubular junction, and the aortic valve is diseased as well (severe non-functional regurgitation or severe stenosis) a Bentall Operation is indicated.

How is it performed?

 The aortic valve, the aortic root and the rest of the aneurismal ascending aorta can be replaced en bloc using a composite valve conduit, mechanical or biological, with coronary ostia reimplantation on the graft. The surgery is performed in Cardiopulmonary Bypass assistance, cross-clamping the Aorta, over the aneurysmal segment, with cardioplegic arrest of the heart. The surgical approach of the ascending aorta can be performed either with a  traditional full median sternotomy or, in selected cases, with a partial upper sternotomy.


After surgery the average full recovery time is from 3 to 5 weeks considering the rehabilitation period. In case of aortic valve replacement with a mechanical valve, an all life long anticoagulation with Vitamin-K antagonists is needed.


Page edited by: Carlo De Vincentiis

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