Biomarkers and Postoperative Delirium in Elderly Patients

This study intends to verify and explore the correlation of neuroinflammation biomarkers in cerebrospinal fluid and plasma of elderly patients undergoing hip replacement with postoperative delirium, so as to achieve a new method to predict whether patients will develop postoperative delirium and improve the prognosis of elderly patients with postoperative delirium. Reduce the probability of postoperative complications, improve the long-term survival rate of patients after surgery.