[Ascending aortic aneurysm: Update to existing guidelines].

The initial aorta (aortic valve, ring, sinuses and ascending aorta) constitutes an inseparable anatomical-functional entity. The "normal" diameter grows with age and body surface area. Two potential risks: aortic regurgitation (chronic complication) and aortic dissection (acute complication) The aortic diameter is the main factor of aortic dissection. Issues of the recommendations: set thresholds to indicate prophylactic surgery (avoid complication) Betablockers are indicated, especially in cases of hypertension or proven familial dystrophy.