What is the fine-grained topic of the following text: In 1966, one patient with aortic insufficiency and ascending aorta aneurysm was treated with the replacement of the aortic valve with no:11 Star Edwards valve and ascending aorta with Dacron tube graft after resection at Dr. Siyami Ersek Thoracic and Cardiovascular Surgery Center for the first time. Only return the topic.
Aortic valve replacement and ascending aorta grafting in 1966.