Severe stenosis of anastomoses by using the symmetry aortic connector system.

The St. Jude Medical Symmetry Aortic Connector System was developed to create the proximal vein graft anastomoses in coronary artery bypass grafting. We describe three symptomatic patients with severe stenosis of the proximal anastomosis several months after using the Symmetry aortic connector system. Intravascular ultrasound study showed anastomotic neointimal hyperplasia.