None listed
Conditions
Interventions
Experimental group:After entering the room, the patient was placed in the supine position and the left supine position, and ultrasound measurements were performed on the right internal jugular vein an
Control group:After entering the room, the patient was placed in supine position and left supine position, and ultrasound measurements were performed on the right internal jugular vein and subclavicul
Sponsors
The First Affiliated Hospital of China Medical University
Eligibility
Sex/Gender
All
Age
18 Years to 65 Years
Inclusion criteria
Inclusion criteria: Patients who planned to undergo elective right thoracoscopic surgery with dual lumen tracheal catheter implantation under general anesthesia voluntarily participated and signed informed consent.
Exclusion criteria
Exclusion criteria: 1. Aged 65 years, BMI>30kg/cm^2; 2. The patient's general condition is poor, complicated with serious heart, liver and kidney diseases; 3. History of severe heart disease, systemic circulation overload, etc.; 4. There is neck scar (which may affect vascular ultrasound scanning).
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Maximum diameter of internal jugular vein during the respiratory cycle;Minimum diameter of internal jugular vein during the respiratory cycle;Minimum diameter of subclavian vein during the respiratory cycle;Maximum diameter of subclavian vein during the respiratory cycle; | — |
Countries
China
Contacts
Public ContactSun Xijia
The First Affiliated Hospital of China Medical University
Outcome results
None listed