the puncture success rate of the internal jugular vein
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. ASA I or II patients scheduled to receive thoracic surgery; 2. aged 18-80 years.
Exclusion criteria
Exclusion criteria: 1. Patient who underwent pthyroid surgery; 2. Patients with major cardiovascular diseases at the baseline; 3. End-stage renal diseases requiring dialysis; 4. Major infection (including but not limited to septicemia); 5. clinically important coagulopathy.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| cross-sectional area of the internal jugular vein;the puncture success rate; | — |
Secondary
| Measure | Time frame |
|---|---|
| fasting time;fluid volume; | — |
Countries
China
Contacts
Shanghai Chest Hospital, Shanghai Jiao Tong University