Investigators designed a prospective randomized controlled study to compare the long-axis/in-plane and short-axis/out-of-plane methods during the ultrasound-guided arterial catheterization in pediatric patients younger than 5 years old.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
SUPPORTIVE_CARE
Masking
SINGLE
Enrollment
108
Cannulate the radial artery or posterior tibial artery of an infant of a preschool child putting the 24 gauge needle parallel to the ultrasound transducer.
Cannulate the radial artery or posterior tibial artery of an infant or a preschool child putting the 24 gauge needle perpendicular to the ultrasound transducer.
Seoul National University Hospital
Seoul, Seoul, South Korea
Arterial catheterization time
Time frame: Interval between contact of the ultrasound transducer with the skin and confirmation of an arterial waveform on the monitor, an expected average of 200 seconds
Ultrasound imaging time
Time frame: Interval between contact of the ultrasound transducer with the skin and penetration of the needle through the skin, an expected average of 30 seconds
Time to first puncture of the artery
Time frame: Interval between skin penetration of the needle and flashback of blood, an expected average of 100 seconds
Number of puncture attempts
Time frame: Up to 5 times, an expected average observation time of 600 seconds
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