Geneva, Sept. 25 -- International Clinical Trials Registry received information related to the study (ChiCTR2600132397) titled 'Efficacy and Safety of Balloon-Assisted Tracking Technique in Cases of Radial-Brachial Artery Anatomical Variations' on Sept. 14.

Study Type: Observational study

Study Design: Cohort study

Primary Sponsor: The First Affiliated Hospital of Dalian Medical University

Condition: Radialbrachial arterial anatomical variations (including high-origin radial artery, small-caliber arteries, arterial loops, severe tortuosity, and accessory brachial artery) associated with difficulty in catheter passage during transradial procedures.

Intervention: Concurrent observational control group (non-BAT group):None

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