The goal of this study is to compare the success rate of subcutaneously infiltrated nicardipine to normal saline in radial artery cannulation
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
SUPPORTIVE_CARE
Masking
TRIPLE
Enrollment
190
Subcutaneous infiltrate drug at puncture site by ultrasound-guided
Subcutaneous infiltrate NSS at puncture site by ultrasound-guided
Anesthesiology Department
Bangkok, Thailand
Success rate of radial artery cannulation since first skin puncture
Success rate of radial artery cannulation since first skin puncture
Time frame: 10 minute from puncture at skin
radial artery diameter
Pre-induction radial artery diameter, post-induction radial artery diameter, radial artery diameter after subcutaneous infiltration at 0,1,2 and 3 minute
Time frame: Pre-induction to 3 minute after subcutaneous infiltration
Time from first skin puncture to success cannulation
Time from first skin puncture to present of arterial wave form, assessed less than 10 minutes
Time frame: 10 minutes
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