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Subject: search.filters.subject.Cerebral aneurysm

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    Long-term clinical and angiographic follow-up results of the dual-layer flow diverter device (FRED) for the treatment of intracranial aneurysms in a multicenter study
    (2021) Dinc, Hasan; Saatci, Isil; Oguz, Sukru; Baltacioglu, Feyyaz; Yildiz, Altan; Donmez, Halil; Belet, Umit; Onal, Baran; Andic, Cagatay; Koc, Osman; Kocak, Omer; Koroglu, Mert; Cetin, Mustafa; Cekirge, H. Saruhan; https://orcid.org/0000-0001-8581-8685; 33392735; AAM-3180-2021
    Purpose Our aim was to determine the long-term safety and efficacy of the Flow Re-Direction Endoluminal Device (FRED) in this multicenter study with prospective design. Materials-method This study included 136 consecutive patients with 155 aneurysms treated between March 2013 and June 2016 in 10 centers. Twenty-two (16.2%) patients presented with rupture of the index aneurysm. Large/giant aneurysms comprised 1/3 of the cohort. Adjuvant coil use during the treatment was 15.5%. The effectiveness measure in the study was the percentage of aneurysms with stable occlusion at follow-up. Results Vascular imaging follow-up was performed at least once in 131/136 (96.3%) patients with 148/155 (95.5%) aneurysms up to 75 months (mean: 37.3 months; median: 36 months according to latest follow-up), and 102/155(65.8%) aneurysms in 90/136 (66.2%) patients had >= 24-month control. According to the latest controls, the overall stable occlusion rate was 91.9% (95% CI, 87.5 to 96.3%). Three out of 148 aneurysms with follow-up were retreated (2%, 95% CI 0.0 to 4.3%). Adverse events were noted in 19/136 (14%, 95% CI, 9 to 21%) patients with a morbidity of 1.5% (95% CI, 0.0 to 3.5%). Mortality was 1/136 (0.7%, 95% CI, 0.02 to 2.2%) and was unrelated to aneurysm treatment. In-stent stenosis (ISS) was detected in 10/131 of the patients with follow-up (7.6%, 95% CI; 3.1 to 12.2%), only one being symptomatic. No adverse events have occurred in any of the patients with follow-up after 24 months, except the one resulting from ISS. Conclusion In the treatment of cerebral aneurysms which were candidates for flow diversion technique, this study showed long-term efficacy of FRED with good safety and occlusion rates.
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    Association Between Brain Venous Drainage, Cerebral Aneurysm Formation and Aneurysm Rupture
    (2017) Duman, Enes; Coven, Ilker; Yildirim, Erkan; Yilmaz, Cem; Pinar, H.Ulas; Ozdemir, Ozgur; 0000-0003-0473-6763; 0000-0002-9057-722X; 0000-0002-2353-8044; 27593813; Q-2420-2015; ABI-3856-2020; AAK-2948-2021
    AIM: The brain venous drainage dominance is generally divided into three groups; right or left dominance and co-dominance. There is no study in the literature examining the link between brain venous drainage and aneurysm formation or rupture. Our aim was to evaluate the association between venous dominancy, aneurysm formation and rupture. MATERIAL and METHODS: Eighty-six patients, who underwent cerebral digital subtraction angiography and who had cerebral aneurysms, were included in the study. The angiographic images, patient charts, and tomography images were scanned retrospectively. We recorded the aneurysm's location, size, dome to neck ratio (D/N); the patient's gender, age, whether there was a ruptured aneurysm, smoking history, and/or hypertension; dominance of venous drainage, aneurysm side, Fisher scores and the World Federation of Neurosurgical Societies (WFNS) Grading System for Subarachnoid Hemorrhage scores for patients who had a ruptured aneurysm. We assessed whether or not venous drainage was associated with rupture of the aneurysm and if venous dominance was a predisposing factor for aneurysm formation like location, size, and hypertension. RESULTS: There was a statistically significant association between venous dominance and side of aneurysm; and also a statistically significant association between venous dominance and rupture. There was a positive correlation between hypertension and rupture. The most common aneurysm location was the anterior communicating artery, followed by the middle cerebral artery. CONCLUSION: Brain venous drainage dominance may be a predisposing factor for aneurysm formation and it can be predictive for rupture.