Puérpera com trombose de prótese mecanica e estenose supravalvar aórtica adquirida

the blood hypercoagulability in pregnancy increases significantly the incidence of thrombosis of mechanical valves. acquired supravalvular aortic stenosis is extremely rare. we report the case of an immediate postpartum patient with aortic mechanical prostheses and acquired supravalvular aortic stenosis who underwent emergency heart surgery, with severe hemodynamic instability, using adapted surgical technique for correction of supravalvular stenosis with satisfactory clinical and echocardiography results.