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Abstract
BAV is the most common congenital malformation of the heart or great vessels, affecting nearly 1 to 2% of the general population. A congenital BAV may lead to premature development of significant aortic valve disease, such as aortic valve stenosis or regurgitation and endocarditis. Patients with bicuspid aortic valve malformations, independent of valvular function, are at an increased risk of aortic dilatation, aneurysm, and dissection. The aims of this study were: to assess the progression of ascending aortic diameter in patients who have had aortic valve replacement and to compare the progression of ascending aortic diameter following aortic valve replacement in patients who had a native bicuspid or tricuspid valve. This Retrospective study has been carried out on 88 patients who underwent Aortic Valve Replacement in the cardiothoracic Surgery Department at St. George’s Hospital in London during the period between 2000 and 2003.The study population were divided into two subgroups: patients with a native tricuspid valve and patients with a native bicuspid valve.