Gastrointestinal cancer
Conditions
Interventions
A:6 hours>fasting time = 8 hours
B:8 hours>fasting time = 12 hours
C:12 hours>fasting time = 16 hours
D:Fasting time>16h
Sponsors
The Second Affiliated Hospital of Zunyi Medical University
Eligibility
Sex/Gender
All
Age
18 Years to 80 Years
Inclusion criteria
Inclusion criteria: Patients who plan to undergo elective surgery; Perioperative central venous catheterization was required. Age =18 years old, gender unlimited; ASA grade I-III.
Exclusion criteria
Exclusion criteria: Puncture or observe the target central vein embolism; Abnormal coagulation function; Puncture site tumor, infection, scar; Shock that has occurred before anesthesia.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Internal jugular vein vessel diameter;Cross sectional area of internal jugular vein vessels;Number of internal jugular vein punctures;Internal jugular vein puncture time;Success rate of internal jugular vein puncture;Central venous puncture ultrasound guidance requirement rate;Adjacent relationship between internal jugular vein and common carotid artery; | — |
Secondary
| Measure | Time frame |
|---|---|
| age;gender;body mass index;heart rate;mean arterial pressure;Oxygen Saturation;Adverse event occurrence rate;hemoglobin;hematocrit; | — |
Countries
China
Contacts
Public ContactXinpeng Xu
The Second Affiliated Hospital of Zunyi Medical University
Outcome results
None listed