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Changes of central veins diameter before and after induction of anesthesia

Changes of central veins diameter before and after induction of anesthesia

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2200056750
Enrollment
Unknown
Registered
2022-02-13
Start date
2022-02-01
Completion date
Unknown
Last updated
2023-09-11

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Central venous

Interventions

None listed

Sponsors

Henan Provincial People's Hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 65 Years

Inclusion criteria

Inclusion criteria: 1. Patients undergoing surgery under general anesthesia; 2. Ages 18-65; 3. ASA grade I-III; 4. Patient tolerance to color ultrasound examination; 5. Voluntarily sign informed consent; 6. Intact skin in the central vein area; 7. Patients with a BMI of 18.5-24.

Exclusion criteria

Exclusion criteria: 1. Critically ill patients undergoing emergency surgery; 2. Those who quit during the experiment.

Design outcomes

Primary

MeasureTime frame
Central veins diameter;—

Secondary

MeasureTime frame
Central veins cross section area;Central veins depth;—

Countries

China

Contacts

Public ContactMingzhu Cui

Henan Provincial People's Hospital

cuimingzhu78@163.com+86 18639006993

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026