Patients without underlying diseases scheduled for elective surgery under general anesthesia
Conditions
Interventions
Observation group:None
Sponsors
Department of Anesthesiology, Wannan Medical College Yijishan Hospital
Eligibility
Sex/Gender
All
Age
18 Years to 65 Years
Inclusion criteria
Inclusion criteria: (1) Patients who intend to undergo elective surgery under general anesthesia and need invasive arterial pressure monitoring; (2) Age 18-65 years old, gender is not limited; (3) Body mass index (BMI): 18-30 kg/m^2; (4) American Society of Anesthesia (ASA) grade I-II; (5) No chronic diseases such as hypertension, heart disease, diabetes, etc.
Exclusion criteria
Exclusion criteria: (1) Neck and peripheral vascular ultrasound abnormalities, including plaques, stenosis and anatomical variations; (2) patients who refuse to participate in the study; (3) Patients who are unable to cooperate with or refuse ultrasound; (4) Electrocardiogram showing non-sinus heart rate; (5) Dysfunction of important organs; (6) Pregnant patients.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Systemic vascular resistance;Systolic blood flow velocity;Diastolic blood flow velocity; | — |
Countries
China
Contacts
Public ContactYao Weidong
Department of Anesthesiology, Wannan Medical College Yijishan Hospital
Outcome results
None listed