“…Over 90 patients with rupture of a sinus of Valsalva have been successfully treated with an operative mortality of 20 per cent (Parker and Connell, 1965); successful repair is more frequent with a rupture of a congenital aneurysm than with a rupture due to bacterial endocarditis (Paton et al, 1965). All but one of the successful repairs of a ruptured sinus of Valsalva concerned ruptures into the right atrium.…”