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Updated: May 31, 2025
Microsurgical Clip Obliteration of Middle Cerebral Aneurysm Using Intraoperative Flow Assessment
Published on: September 25, 2009
Treatment of Intracranial Aneurysms with the FRED X Flow Diverter Stent: Mid-term Angiographic and Safety Results
David W Wen1,2, James Ayre3, Mani Puthuran4
1Department of Neuroradiology, The Walton Centre for Neurology and Neurosurgery, Liverpool, UK. david.wen.w@singhealth.com.sg.
Purpose:
The aim of our study was to assess the mid-term efficacy and safety of the FRED X flow diverting stent (FDS) in the treatment of intracranial aneurysms. The FRED X FDS is relatively new with limited data on its longer-term effectiveness and safety profile.
Methods:
Patients with intracranial aneurysms treated with the FRED X FDS at two UK centres, between March 2021 and July 2022 with at least 18 months follow-up, were retrospectively reviewed. Clinical, procedural and imaging data was analyzed.
Results:
Twenty-two patients with 24 aneurysms treated with the FRED X device, and had completed at least 18 months of follow-up, were included in this study. The rate of complete aneurysm occlusion (Raymond-Roy Class I) was 83.3% at a mean follow-up duration of 21.5 months. One case of major adverse event (4.3%) related to a post-procedural stroke which is also the only case of permanent neurological deficit (4.3%) in our cohort. Three cases of minor adverse events (13.0%) and 2 cases of asymptomatic adverse events (8.7%) were also recorded.
Conclusion:
Use of the FRED X FDS to treat intracranial aneurysms has acceptable safety profile and efficacy in the mid-term.
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