In neonate and infant, radial artery cannulation may be challenging and multiple attempts are required because of the small diameter. The invastigators will compare the success rates of radial arterial cannulation with a guidewire-assisted technique and the direct technique in pediatric patient(\<1yr).
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
SINGLE
Enrollment
90
catheter insertion with guidewire-assist(catheter over guidewire)
catheter insertion without guidewire assist(catheter over needle)
Jin-Tae Kim
Seoul, South Korea
success rate at 1st attempt (%)
successful catheter insertion after obtaining 1st blood flush in angiocatheter.
Time frame: from arterial cannulation to successful invasive BP monitoring (up to 1 hour)
total elapsed time (seconds)
total time for successful cannulation.
Time frame: from arterial cannulation to successful invasive BP monitoring (up to 1 hour)
number of total cannulation attempts (number)
number of total attempts until successful cannulation. (1 attempt = 1 blood flush)
Time frame: from arterial cannulation to successful invasive BP monitoring (up to 1 hour)
number of total catheter used (number)
number of total catheter used until successful cannulation.
Time frame: from arterial cannulation to successful invasive BP monitoring (up to 1 hour)
malfunction of arterial line
pressure monitoring, blood sampling
Time frame: from the start of invasive BP monitoring until the end of anesthesia (up to 1 day)
complications
hematoma, ischemia
Time frame: from the arterial cannulation until the end of anesthesia (up to 1 day)
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