[A case report of aortic valve replacement and ascending + hemi aortic arch replacement for congenital bicuspid aortic stenosis with poststenotic dilatation of ascending aorta].

The patient of 21-year-old female, who had undergone VSD closures at the age 5 and had been pointed out to have aortic valve stenosis at that time, was admitted to our hospital with complaints of palpitation and easy fatigability. Pressure gradient of 140 mmHg between left ventricle and ascending aorta, and poststenotic dilatation of max 55 mm in diameter from ascending aorta to hemi aortic arch was recognized by cardiac catheterization and aortogram. For fear of aortic dissection in late phase caused by dilatation of ascending aorta left over, graft replacement from ascending aorta to hemi aortic arch was carried out simultaneously adding to aortic valve replacement (AVR). We are of the opinion that not only AVR but also simultaneous graft replacement should be performed actively on the case with dilatation of ascending aorta of over 55 mm in diameter in order to prevent aortic dissection.