abdominal operation
Conditions
Interventions
EEG-derived index group:Record the EEG-derived index
Pupillometry group:Record the pupil measurements
Sponsors
The First Affiliated Hospital of Anhui Medical University
Eligibility
Sex/Gender
All
Age
18 Years to No maximum
Inclusion criteria
Inclusion criteria: 1.Signed the informed consent; 2.Aged > 18 years; 3.ASA classification I~III; 4,16 < BMI < 30; 5.No serious cardiac insufficiency, pulmonary insufficiency and other important organ dysfunction; 6.Patients who are scheduled to undergo abdominal surgery.
Exclusion criteria
Exclusion criteria: 1.Preoperative MAP > 120mmHg or 110 BPM or < 45 BPM; 3.Preoperative use of opioid drugs or non-opioid drugs for analgesia; 4.Patients with a history of chronic pain before surgery; 5.People with a history of central nervous system; 6.Preoperative use of anticholinergic/cholinergic drugs; 7.Intraoperative spinal anesthesia or other local analgesia is planned; 8.Patients with preoperative acute pain.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Pain intensity; | — |
Countries
China
Contacts
Public ContactLiu Xuesheng
The First Affiliated Hospital of Anhui Medical University
Outcome results
None listed