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Related Experiment Video

Updated: Jan 28, 2026

Transradial Access Chemoembolization for Hepatocellular Carcinoma Patients
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Arch and Great Vessel Geometry From a Transradial Angiographic Approach.

Katherine W Zerebiec1, Parisa Heidari1, Erin D'Agostino1

  • 1Larner College of Medicine, University of Vermont and University of Vermont Medical Center Burlington VT.

Stroke (Hoboken, N.J.)
|January 26, 2026
PubMed
Summary
This summary is machine-generated.

This study created a database of aortic arch and vessel measurements to aid in developing new transradial neuroendovascular devices. Findings highlight anatomical variations crucial for optimizing catheter design and improving patient outcomes.

Keywords:
cerebral angiographydigital subtraction angiographyradial artery

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Area of Science:

  • Neuroendovascular surgery
  • Medical imaging
  • Anatomical studies

Background:

  • Neuroendovascular procedures are shifting towards a radial-first approach.
  • Developing specialized radial access devices requires detailed knowledge of vessel anatomy.
  • This study aimed to create a database of aortic arch and vessel measurements for radial device development.

Purpose of the Study:

  • To establish a comprehensive database of aortic arch and vessel dimensions.
  • To provide anatomical data relevant for designing new transradial neuroendovascular devices.
  • To inform the optimization of catheter and device performance for radial access.

Main Methods:

  • Analysis of 100 consecutive neck CT angiograms.
  • Measurement of aortic arch characteristics and vessel geometries.
  • Utilized 256-slice CT scanner and 1-cm maximum intensity projection reformats.

Main Results:

  • Identified significant variations in aortic arch configurations and vessel angles.
  • Left carotid bifurcation was approximately 8 cm further than the right.
  • Left vertebral artery origin was a median of 3.8 cm from the arch, with considerable anatomical variability.

Conclusions:

  • Cataloged aortic arch and vessel geometries critical for transradial catheter and device performance.
  • Highlighted the need for longer catheters for left-sided procedures due to anatomical distances.
  • Emphasized the necessity of developing transradial devices considering these anatomical constraints for improved catheter selection and reach.