DRA vs PRA for US-guided Radial Artery Catheterization in ICU

Status Completed

Clinical Trial Summary

Patients were randomly divided into two groups: ultrasound-guided (US-guided) in-plane distal radial access (IP-DRA) and in-plane proximal radial access (IP-PRA) catheterization. For IP-DRA , a linear transducer is placed in the radial fossa, which is known as the snuff-box. After obtaining a long-axis view of the radial artery ,the needle is inserted in the midpoint of the small footprint transducer. Then,the needle is advanced under real-time US guidance until visualizing the tip of the needle inside the artery . For IP-PRA , a linear transducer is placed in the standard conventional forearm radial. After obtaining a long-axis view of the radial artery ,the needle is inserted in the midpoint of the small footprint transducer. Then,the needle is advanced under real-time US guidance until visualizing the tip of the needle inside the artery .

Clinical Trial Description

*Ultrasound-guided catheterization of the radial artery, by proximal approach: - Patient's hand in hyperextension with slight dorsiflexion of the wrist. - The placement of the ultrasound probe initially linear in order to obtain the "short axis" image of the artery; then a quarter turn until obtaining a longitudinal "long axis" view. - The operator must identify the artery using the pulsed wave Doppler; - Insertion of the needle in the middle of the transducer providing an "in plane" orientation. Thus the needle was advanced slowly and its tip was visualized throughout the procedure. *Ultrasound-guided catheterization of the radial artery, by distal approach: - If the right hand is along the body / if the left hand is on the trunk. - The ultrasound probe placed at the level of the anatomical snuffbox by placing the transducer in a linear fashion then rotated coronally until a longitudinal image is obtained *In the 2 groups: - The longitudinal "in plane" approach is used - After visualization of the penetration of the bevel of the needle into the lumen of the artery and the jet of arterial blood into the syringe on aspiration, a flexible metal guide was introduced into the artery through the trocar according to the Seldinger's method. - The correct positioning of the guide in the artery was then confirmed by ultrasound. Any obstacle preventing insertion of the guide system always led to a new puncture. ;

Study Design

Related Conditions & MeSH terms

Ultrasonography

Clinical Trial Details

NCT number	NCT04878887
Study type	Interventional
Source	University Tunis El Manar
Contact
Status	Completed
Phase	N/A
Start date	March 26, 2021
Completion date	December 15, 2022

View Details

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.