General anesthesia
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Patients undergoing elective general anesthesia (ASA I-II); 2. 120 subjects in the children group, aged 1-10 years; and 120 subjects in the adult group, aged >18 years; 3. Sign the informed consent form, promise to abide by the research procedures and cooperate with the implementation of the whole process of research.
Exclusion criteria
Exclusion criteria: 1. Emergency surgery patients; 2. Complications of heart, lung, liver and kidney; 3. Cyclic instability.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Aortic peak flow velocity variability;Aortic velocity time integral variability;SV (stroke volume); | — |
Secondary
| Measure | Time frame |
|---|---|
| Hemodynamic indexes; | — |
Countries
China
Contacts
Fujian Maternity and Child Health Hospital; Affiliated Hospital of Fujian Medical University