Artificial Intelligence to Evaluate Postoperative Pain Based on Facial Expression

Pain, Postoperative Clinical Trial

Official title:

Artificial Intelligence to Evaluate Postoperative Pain Based on Facial Expression Recognition and Analgesia Nociception Index

Clinical Trial Details — Status: Recruiting

Administrative data

• NCT number: NCT05477303
• Other study ID #: B-2205-757-304
• Status: Recruiting
• Start date: June 17, 2022
• Est. completion date: May 9, 2026

Study information

• Verified date: July 2022
• Source: Seoul National University Bundang Hospital
• Contact: InSun Park, MD
• Phone: 82317877499
• Email: pis121[@]hanmail.net
• Is FDA regulated: No
• Study type: Observational

Clinical Trial Summary

Patients' subjective complaints about pain intensity are difficult to objectively evaluate, and may lead to inadequate pain management, especially in patients with communication difficulties.

Description:

Analgesia nociception index (ANI 0-100) and patient-reported numeric rating scale (NRS 0-10) were trained on a convolutional neural network (CNN) model by linking the patients' facial expression with the score. By applying the predicted pain score by the AI model to evaluate pain, it is intended to measure the intensity of pain in an automatic, fast, and objective way for appropriate pain management.

Recruitment information / eligibility

• Status: Recruiting
• Enrollment: 120
• Est. completion date: May 9, 2026
• Est. primary completion date: April 20, 2023
• Gender: All
• Age group: 19 Years to 75 Years

Eligibility

Inclusion Criteria:

• Patients aged 19-75 years who were scheduled for elective laparoscopic abdominal surgery under general anesthesia

• American Society of Anesthesiology (ASA) class I-II

Exclusion Criteria:

• Patients who have difficulty in communicating and reporting pain

• Underlying diseases: liver, kidney, brain

• Patients with BMI greater than 30 and less than 18.5

• Alcohol or drug dependent patients

• Patients with severe or acute respiratory failure

• Opioid, NSAID allergy

• Patients who are scheduled to be admitted to the intensive care unit after surgery

• Patients who undergo cooperative surgery

Related Conditions & MeSH terms

• Analgesia
• Artificial Intelligence
• Facial Expression
• Facies
• Pain, Postoperative

Intervention

Other:
• taking a picture of a painful facial expression
Immediately after surgery, the patient's facial expression and the NRS score and ANI score reported by the patient are checked together.

Locations

Country	Name	City	State
Korea, Republic of	Seoul National University Bundang Hospital	Seongnam-si	Gyunggi-do

Sponsors (1)

Lead Sponsor	Collaborator
Seoul National University Bundang Hospital

Country where clinical trial is conducted

Korea, Republic of, 

Outcome

Type	Measure	Description	Time frame	Safety issue
Primary	Facial expression	Painful facial expression	immediately preoperative, postoperative time
Primary	analgesia nociception index	ANI score	immediately preoperative, postoperative time
Primary	numeric rating scale	pain score	immediately preoperative, postoperative time