Giant Aneurysm of the Ascending Aorta Requiring Emergency Repair in a Newborn Baby.

Congenital aneurysm of the ascending aorta is a rare cardiovascular pathology and usually associated with well-known connective tissue disorders. We present an idiopathic ascending aortic aneurysm extending to the aortic arch in an antenatally diagnosed newborn who required immediate surgical treatment due to the rapid progression of aneurysm size at the age of 1 day.