1.The name of the surgery is called aneurysm clamping surgery, that is to clamp the artery, the material used is that silver clip, non-toxic, belongs to the necessary artificial material implantation, does not belong to the medical malpractice.
2. The causes of facial swelling are: 1. abnormalities in liver and kidney function. 2. impaired venous return to the head and face after open-heart surgery.