Adult's surgical diseases
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. adult patients undergoing elective surgeries under general anesthesia; 2. a need for invasive arterial pressure (IAP) monitoring in the supine intraoperative position; 3. ASA status I-III; 4. BMI 18-30 kg/m2; 5. the time of Anesthesia is expected to morn than 250 minutes; 6.Signed an informed consent form.
Exclusion criteria
Exclusion criteria: 1. a positive Allen's test; 2. have arteriovenous shunts for haemodialysis; 3. Raynaud's syndrome; 4. vascular pathology of the upper limb; 5. Researchers find that who's not suitable for this research.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| arterial pressure; | — |
Countries
China