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  • Title: [Endovascular treatment of ruptured and unruptured intracranial very small aneurysms].
    Author: Wang DM, Liu JC, Wang LJ, Lu J, Qi P, Zhai LL, Jiang XL.
    Journal: Zhonghua Yi Xue Za Zhi; 2010 Apr 20; 90(15):1020-3. PubMed ID: 20646518.
    Abstract:
    OBJECTIVE: To evaluate the feasibility and safety of endovascular treatment of ruptured and unruptured intracranial very small aneurysms (< or = 3 mm in maximal diameter). METHODS: Forty-eight intracranial very small aneurysms in 44 patients treated with endovascular therapy from June 2001 to August 2009 were reviewed retrospectively in clinical, imaging, interventional and follow-up data. Among 44 patients, there were 20 males and 24 females with a mean age of 57.8 years old. The Hunt-Kosnik grade was as follows: Grade 0 (n = 11); Grades I & II (n = 23); Grades III & IV (n = 9); and ungraded (n = 1). The sizes of 48 aneurysms were not more than 3 mm in maximal diameter. The locations of aneurysms were as follows: ACoA (n = 11), MCA (n = 8), PCoA (n = 14), ICA (n = 12), pericallosal artery (n = 1), VA (n = 1) and PICA (n = 1). Thirty-nine aneurysms were embolized with coil, of which 13 with stent assistance and 6 by balloon remodeling technique. The other 9 aneurysms underwent sole stent placement in parent artery. RESULTS: Among 39 coiling aneurysms, 100% occlusion was achieved in 9 aneurysms, 90% in 20, 80% in 9 and less than 80% in 1 respectively. Only one aneurysm ruptured during coiling. Two patients had transient hemiparesis and one patient had ataxia caused by bilateral cerebellar infarction postoperatively. All patients were clinically followed up for 4-90 months and no recurrent hemorrhage occurred. Thirteen patients received repeat angiography at 4-72 months post-treatment. And no radiological re-growth was detected. CONCLUSION: Endovascular treatment of ruptured and unruptured intracranial very small aneurysms seems to be technically feasible, relatively safe and practically effective.
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