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Related Experiment Video

Updated: Nov 22, 2025

Transradial Access Chemoembolization for Hepatocellular Carcinoma Patients
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Distal radial access for cerebral aneurysm embolization.

Cyril Chivot1, Roger Bouzerar2, Thierry Yzet1

  • 1Department of Radiology, Amiens University Hospital, Avenue René Laennec, F-80054 Amiens Cedex 01, France.

Journal of Neuroradiology = Journal De Neuroradiologie
|January 11, 2021
PubMed
Summary

Distal radial access is a feasible and safe approach for cerebral aneurysm embolization, including ruptured and unruptured cases. This technique for endovascular treatment did not increase procedural risks.

Keywords:
AneurysmEndovascular procedureRadial arterySubarachnoid haemorrhage

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Area of Science:

  • Neurology
  • Interventional Neuroradiology
  • Vascular Surgery

Background:

  • Cerebral aneurysms pose significant risks, necessitating effective endovascular treatment options.
  • Traditional femoral access for embolization can be associated with complications.
  • Distal radial artery access offers a potential alternative for neurovascular interventions.

Purpose of the Study:

  • To evaluate the feasibility and safety of distal radial artery access for cerebral aneurysm embolization.
  • To assess complication rates associated with this minimally invasive approach.

Main Methods:

  • Retrospective review of a prospective database of cerebral aneurysm embolization procedures.
  • Analysis of 61 embolizations performed via distal radial access by a single experienced operator.
  • Evaluation of technical success, radial artery occlusion, and neurological complications.

Main Results:

  • Technical success was achieved in 98.4% of cases, with only one crossover to femoral access.
  • No cases of radial artery occlusion or hand ischemia were observed.
  • Cerebral ischemia occurred in one patient (1.6%), and one periprocedural aneurysm rupture occurred without clinical impact.

Conclusions:

  • Distal transradial access is a feasible and safe option for cerebral aneurysm embolization.
  • This approach does not appear to increase the procedural risks compared to conventional methods.