Establishment and Validation of Early-warning Model of Perioperative Pain for the Elders

Study on Comprehensive Strategy of Perioperative Pain Prevention and Treatment in Elderly Patients -- Establishment and Validation of Early-warning Model of Perioperative Pain for the Elders

This study will collect perioperative pain-related data of elderly patients in multi-centers. Analyzing these collected data to find the high-risk factors of postoperative pain in elderly patients and to establish an early-warning model of perioperative pain in elderly patients, so as to improve the ability of assessing the risks of postoperative pain in elderly patients and providing an early warning.

This study will collect perioperative pain-related data of elderly patients in multi-centers, including: preoperative general data, intraoperative anesthesia and surgical data, clinical laboratory data, postoperative pain and intervention, postoperative complications and quality of life. Analyzing these collected data to find the high-risk factors of postoperative pain in elderly patients and to establish an early-warning model of perioperative pain in elderly patients, so as to improve the ability of assessing the risks of postoperative pain in elderly patients and providing an early warning.

Inclusion Criteria:

• 18 years or older
• Undergoing general or regional anesthesia
• Hospitalized for at least 24 hours after surgery
• Able to give informed consent
• Able to read and write

Exclusion Criteria:

• Existing diagnoses of psychiatric or neurologic pathology
• A history of substance abuse
• Admitted to ICU after surgery
• Patients with advanced tumors who have received preoperative chemotherapy or who are expected to receive postoperative chemotherapy.