None listed
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Preoperative electrocardiogram was normal; 2. No organic cardiovascular disease before surgery; 3. No neurological or psychological diseases; 4. No allergy or history of adverse drug use to nalbuphine or other opioid analgesics; 5. Preoperative cardiac and lung function, liver and kidney function and electrolytes were normal; 6. Agree to cooperate with the completion of this test.
Exclusion criteria
Exclusion criteria: 1. Patients with electrolyte abnormalities before surgery; 2. Patients taking drugs that induce changes in cardiac electrical conduction (antiarrhythmic drugs, beta-receptor blockers, antidepressants, phenothiazines, macrolides, etc.); 3. Patients with diabetes and other endocrine diseases; 4. Pregnant patients; 5. Patients with thyroid related diseases; 6. Recent poor rest, overwork and other poor state; 7. Those who did not sign the study.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| QT interval;QTc interval;Tp-e interval;Tp-e/QT ratio;Cardiac electrophysiological balance index;Heart rate;Mean artery pressure; | — |
Countries
China
Contacts
West China Stomatological Hospital, Sichuan University