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Related Experiment Video

Updated: Jan 20, 2026

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Distal Transradial Access in the Anatomic Snuffbox for Diagnostic Cerebral Angiography.

P Patel1, N Majmundar1, I Bach2

  • 1From the Departments of Neurosurgery (P.P., N.M., V.D., L.T., P.K.).

AJNR. American Journal of Neuroradiology
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Distal transradial access in the anatomic snuffbox is a feasible and safe technique for diagnostic cerebral angiography. This method proved effective in a single-center study, offering a potentially valuable approach for neurovascular imaging.

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Area of Science:

  • Vascular Access Techniques
  • Neurointerventional Radiology
  • Cerebral Angiography

Background:

  • Transradial access is a common approach for endovascular procedures.
  • Novel access sites are being explored to improve procedural success and patient comfort.
  • The anatomic snuffbox offers a unique distal arterial access point.

Purpose of the Study:

  • To evaluate the feasibility, technique, and safety of distal transradial access (TRA) in the anatomic snuffbox.
  • To assess the utility of this novel approach for diagnostic cerebral angiography.
  • To report initial single-center outcomes of distal TRA.

Main Methods:

  • Retrospective review of diagnostic cerebral angiograms.
  • Analysis of procedures performed using distal transradial access in the anatomic snuffbox over a 6-month period.
  • Documentation of procedural success, failure, and any complications.

Main Results:

  • Thirty-four successful diagnostic cerebral angiograms were performed using distal transradial access.
  • Four attempts at distal transradial access were unsuccessful.
  • The technique was found to be safe and effective in this cohort.

Conclusions:

  • Distal transradial access in the anatomic snuffbox is a feasible and safe option for diagnostic cerebral angiography.
  • This approach demonstrates potential as an alternative vascular access site for neurointerventional procedures.
  • Further research is warranted to confirm these findings in larger, multi-center studies.