Radial artery cannulation Surgery Radial artery cannulation
Conditions
Interventions
Participants are randomly allocated to one of two groups using the sealed envelope technique. In both groups, the tourniquet is placed distally to the ulnar styloid process.
Group 1: The tourniquet i
Sponsors
Shanghai Jiaotong University affiliated Shanghai Sixth People’s hospital
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1. Aged 18 years and over 2. Undergoing elective major surgery 3. Assumed to require continuous blood pressure monitor during their operation
Exclusion criteria
Exclusion criteria: 1. Patients with abnormal Allen test 2. Peripheral vascular diseases 3. Scars at the forearm i.e. insertion site
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| First-attempt success rate is measured by how many patients had first-attempt success out of the whole population in his/her group (n=120) at the end of the study. | — |
Secondary
| Measure | Time frame |
|---|---|
| 1. Number of attempts is counted and verified using ultrasound scanning 2. Failure rate is measured by how many patients had failed out of the whole population in his/her group (n=120) at the end of the study 3. Time used for cannulation is measured using stopwatch by assistant at the process of cannulation 4. Frequency of posterior wall technique used is measured by how many patients had posterior wall technique out of the whole population in his/her group (n=120) at the end of the study | — |
Countries
China, Christmas Island
Outcome results
None listed