Perioperative autonomic nerve function changes
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. For patients over 40 years old, gender is not limited. 2. ASA is classified as grade I-II, and heart function is classified as grade I-II. 3. Patients who agree to participate in the trial and sign the informed consent.
Exclusion criteria
Exclusion criteria: 1. Patients with hypertension and endocrine history; 2. Patients with obvious heart diseases, including: sick sinus, atrial fibrillation, atrioventricular block, left or right bundle branch block; 3. Patients with sinus tachycardia or bradycardia; 4. Patients taking sedatives for a long time; 5. Patients with autonomic nervous function diseases; 6. Patients with neuropathy or psychosis; 7. Patients with liver and kidney dysfunction; 8. Patients who are allergic to narcotic drugs; 9. Patients with pacemakers; 10. Patients who converted to laparotomy during operation.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Heart Rate Variability; | — |
Secondary
| Measure | Time frame |
|---|---|
| Heart rate;mean arterial pressure; | — |
Countries
China
Contacts
Sichuan Cancer Hospital Research Institute, Cancer Hospital Affiliated to Medical College of University of Electronic Science and Technology