Intraoperative nociception
Conditions
Interventions
Group 1:Remifentanil 2 ng/ml
Group 2:Remifentanil 4 ng/ml
Sponsors
Peking University First Hospital
Eligibility
Sex/Gender
All
Age
18 Years to No maximum
Inclusion criteria
Inclusion criteria: 1. Aged >= 18 years; 2. Preparing for elective surgery undergoing general anesthesia; 3. Patients who need arterial catheterization to monitor invasive arterial pressure during surgery.
Exclusion criteria
Exclusion criteria: 1. Cognitive impairment; 2. Pregnant or lactating; 3. Mental illness or nervous system disease; 4. Abuse of alcohol or illegal drugs; 5. Serious arrhythmia.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Evaluated the abilities of the qNOX index to discriminate between noxious and nonnoxious stimuli; | — |
Secondary
| Measure | Time frame |
|---|---|
| Evaluated the abilities of the qNOX index to progressively respond to graded stimuli;Evaluated the abilities of the qNOX index to respond to opioid administration.;Evaluated the abilities of the qNOX index to discriminate different levels of analgesia; | — |
Countries
China
Contacts
Public ContactKong Hao
Peking University First Hospital
Outcome results
None listed