Effects of Cognitive Intervention Therapy on Postoperative Delirium

The entire process is carried out according to Severance Hospital surgical protocols. The patients of control group will receive education from the research team about the importance of nutrition and exercise before and after surgery.

For the intervention group, the entire process is carried out according to the Severance Hospital surgical protocol, and the research team provides education before surgery on the importance of nutrition and exercise before and after surgery. In addition, the cognitive training program developed by Rowan is taught with the goal of performing it for at least 10 hours before the surgery, it is conducted the training program after the surgery.