General Anesthesia Patients
Conditions
Interventions
Gold Standard:The change in stroke volume
Index test:The change in corrected carotid artery flow time (?FTc) was measured ultrasonographically before and after fluid administration under mechanical ventilation. The volume responsiveness of pa
Sponsors
The First Affiliated Hospital of Fujian Medical University
Eligibility
Sex/Gender
All
Age
18 Years to 65 Years
Inclusion criteria
Inclusion criteria: Patients scheduled for elective surgery under general anesthesia were enrolled, regardless of gender, aged 18–65 years, with a body mass index (BMI) of 15–30 kg/m^2, and classified as American Society of Anesthesiologists (ASA) physical status I or II.
Exclusion criteria
Exclusion criteria: Patients were excluded if they met any of the following conditions: systolic blood pressure >160 mmHg, pre-existing or newly identified carotid artery stenosis >50%, history of peripheral vascular disease or atherosclerosis, non-sinus cardiac rhythm, cardiac valvular disease, left ventricular ejection fraction <50%, right ventricular dysfunction, chronic obstructive pulmonary disease, or chronic pulmonary hypertension.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Corrected carotid artery flow time;Stroke volume;Accuracy;Sensitivity;Specificity; | — |
Countries
China
Contacts
Public ContactYang Yongyong
The First Affiliated Hospital of Fujian Medical University
Outcome results
None listed