• Naci Kocer, Civan Islak, Osman Kizilkilic, Burak Kocak, Muzaffer Saglam, and Ercan Tureci.
• Division of Neuroradiology, Department of Radiology, and.
• J. Neurosurg. 2014 May 1; 120 (5): 1158-71.

ObjectFlow diverter (FD) stents are relatively new and important devices in the treatment of cerebral aneurysms. The Flow Re-Direction Endoluminal Device has been recently released for clinical use. The authors' aim in this paper is to report their initial single-center FRED experience with short-term results.MethodsBetween February 2012 and May 2013, 33 patients with 37 aneurysms (35 unruptured and 2 previously ruptured aneurysms) were treated with the FRED. Clinical and radiological data of the patients were retrospectively reviewed.ResultsIn all patients only 1 device was used without any additional device or material, such as a stent or coil. All procedures were successfully performed. The procedural complication rate was 3% (1 of 33). Thirty patients underwent clinical and radiological follow-up. During the follow-up period, changes in stent morphology, such as "fish mouth" and "foreshortening" phenomena, occurred in 5 patients. The mortality and permanent morbidity rates were 0%. The complete occlusion rates were 32% (6 of 19) at 0-1 month, 67% (8 of 12) at 2-3 months, 80% (4 of 5) at 4-6 months, and 100% (8 of 8) at 7-12 months. The rates for some aneurysms were assessed at more than one time point.ConclusionsThe FRED has an ability to serve neurointerventionalists in the treatment of cerebral aneurysms with its different technical advantages. The occlusion rates with FRED are similar to those with other FD devices. However, these short-term results need to be confirmed with mid- and long-term follow-up results of multicenter large series.

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