Also known as: Postoperative Cognitive Dysfunction(POCD) / Postoperative Cognitive Complications / Postoperative Cognitive Disturbances / Post-operative Cognitive Deficit / Post-operative Cognitive Decline / Post-operative Cognitive Dysfunction / Post Operative Cognitive Dysfunction / Postoperative Cognitive Decline / POCD - Postoperative Cognitive Dysfunction / Cognitive Dysfunction, Postoperative / Postoperative Cognitive Dysfunction / Cognitive dysfunction following surgical procedure (disorder) / Confusion postoperative / Postoperative confusion (disorder)