hypotension
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1.65 years or older; 2.American Anesthesiologists (ASA) I-II; 3.Scheduled for elderly non-cardiac patients undergoing elective noncardiac surgery with endotracheal tube intubation; 4.Body mass index (BMI) >=18 and <=30kg/m^2; 5.Able to understand the research process and methods, and voluntarily participate in this research.
Exclusion criteria
Exclusion criteria: 1.Emergency surgery; 2.Preoperative hypotension (systolic blood pressure <90mmHg); 3.Difficult to establish intravenous access; 4.Cardiac arrhythmias (tachyarrhythmias, bradyarrhythmias, and ventricular arrhythmias); 5.Suspected or diagnosed myocardial ischemia; 6.Preoperative medication; 7.History of psychotropic drug use.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| the incidence of hypotension; | — |
Secondary
| Measure | Time frame |
|---|---|
| blood pressure variability;norepinephrine recovery rate;atropine recovery rate; | — |
Countries
China
Contacts
Zigong First People's Hospital