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Author: search.filters.author.Duman, EnesSubject: search.filters.subject.Aneurysm

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    Endovascular Treatment of Wide Necked Ruptured Saccular Aneurysms with Flow-Diverter Stent
    (2017) Duman, Enes; Coven, Ilker; Yildirim, Erkan; Yilmaz, Cem; Pinar, H.Ulas; 0000-0002-2353-8044; 0000-0003-0473-6763; 0000-0002-9057-722X; 27593785; AAK-2948-2021; Q-2420-2015; ABI-3856-2020
    AIM: Flow diverter (FD) stents have been used in the treatment of unruptured intracranial aneurysms. There are a few studies that report the use of these devices in ruptured blister-like aneurysms. We present 5 consecutive patients, who had ruptured intracranial wide necked or side branch close to the neck of saccular aneurysms, with no other treatment options, treated with FD stents and coil embolization. MATERIAL and METHODS: Between September 2012 and April 2015, 139 ruptured aneurysms of 133 consequent patients were treated. Of these, 48 were surgically treated aneurysms. Five of the remaining 85 aneurysms treated with FD stents. Three aneurysms were in the posterior communicating artery, and 2 were in the supraclinoid internal carotid artery (ICA). Partial coil embolization was performed in addition to FD stents in three patients. All patients were treated in the first 3 days after bleeding. RESULTS: Technical success was 100%. Inappropriate deployment of silk stent and partial thrombus formation occurred in one patient due to the jailed micro-catheter. Inappropriate apposition of stent was corrected with a balloon, and the thrombus resolved with tirofiban, tissue plasminogen activator (t-PA) injections. No other complication or death occurred related to the procedure. One patient who had a giant ICA aneurysm and Fisher grade 4 bleeding died due to vasospasm, cerebral edema and sepsis on the postoperative 13th day. The other patients were followed-up uneventfully with computed tomography angiography (CTA) at 6th month and digital subtraction angiography (DSA) at 12th month. CONCLUSION: FD stents can be used in the treatment of ruptured large wide necked or side branch close to the neck of saccular aneurysms when other treatment options can not be used.
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    The Efficacy of Flow Diverter Stents in the Treatment of Wide-Necked Intracranial Aneurysms
    (2017) Duman, Enes; Yildirim, Erkan; Ozdemir, Adnan; Arslan, Serdar; Aytekin, Cuneyt; Bovyat, Fatih; 0000-0002-9057-722X; F-4230-2011; ABI-3856-2020
    Background: To present our findings obtained from the treatment of wide-necked intracranial neurysms with flow diverter stents. Patients and Methods: Intracranial aneurysms were determined in 19 patients (14 females, 5 males; mean age, 56.6 years) between May 2011 and June 2014, and the patients were treated using flow diverter stents. A total of 28 flow diverter stents, including 9 Silk and 19 Pipeline stents were used. Occlusion rates evaluated with computed tomography at the end of month 6 and digital subtraction angiography after one year, intraoperative success, morbidity and mortality rates were determined. Results: A total of 20 endovascular interventions, including two interventions in two different aneurysms in one patient were performed in 19 patients. Flow diverter stents were successfully implemented for wide-necked aneurysms at a success rate of 100%. Coil treatment had previously been performed in four patients. Aneurysm occlusion rates were 77.2% at month 6 and 90.9% at the end of month 12. Conclusion: The use of flow diverter stents is a reliable and effective method in the treatment of wide-necked intracranial aneurysms with high aneurysm occlusion, and low morbidity and mortality rates.