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Updated: Mar 11, 2026

Transradial Access Chemoembolization for Hepatocellular Carcinoma Patients

Transradial Access Chemoembolization for Hepatocellular Carcinoma Patients

Published on: September 20, 2020

Transient ulnar artery compression facilitates transradial access.

Zhi-Ming Zhou¹, Zhen-Xian Yan, Bin Nie

¹Department of Cardiology, Beijing An Zhen Hospital, Capital Medical University, Beijing Institute of Heart Lung and Blood Vessel Disease, The Key Laboratory of Remodeling-related Cardiovascular Disease, Ministry of Education, Beijing, China.

|December 1, 2016

Summary

This summary is machine-generated.

Transient ulnar artery compression significantly improves transradial access success rates by increasing radial artery diameter. This method reduces attempts and time, enhancing procedural efficiency for cardiac catheterization.

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Area of Science:

Cardiovascular Interventions
Vascular Access Techniques
Interventional Cardiology

Background:

Unsuccessful radial artery puncture is a key factor in transradial procedure failure.
Ulnar artery compression is known to strengthen radial artery pulse, but its effect on access ease is unclear.

Purpose of the Study:

To investigate the impact of transient ulnar artery compression on the success and efficiency of radial artery access for cardiac catheterization.

Main Methods:

A prospective randomized controlled trial involving 446 patients undergoing transradial cardiac catheterization.
Patients were randomized to either transient ulnar artery compression (UC) or standard treatment for 30 minutes before puncture.
Radial and ulnar artery diameters were measured by ultrasound; primary endpoints included access attempts, first-pass success rate, and access time.

Main Results:

Ulnar artery compression increased radial artery diameter without significantly altering ulnar artery diameter.
The UC group showed significantly fewer access attempts (1.42 vs 2.97), higher first-pass success rates (73.27% vs 57.64%), and decreased access time (59s vs 71s) compared to the standard group.
The proportion of difficult procedures was lower in the UC group (4.61% vs 10.92%), with no significant difference in overall puncture failure rates.

Conclusions:

Transient ulnar artery compression effectively enhances radial artery diameter.
This technique improves the efficacy and feasibility of radial artery access in transradial catheterization.
Ulnar artery compression is a valuable method to optimize transradial access outcomes.