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A new endovascular treatment of a recurrent giant proximal basilar aneurysm after coiling

By Weijian Jiang


Abstract Background Treatment of giant basilar aneurysms is extremely challenging, especially recurrences after previous coiling. Case presentation A 20-year-old male was referred for a recurrent giant proximal basilar aneurysm 3 months after coiling, with headache, blurred vision, and brainstem compression symptoms. Angiography showed that the previously placed coils were compacted within the caudal portion of the 43 mm × 31 mm aneurysm, with spontaneous occlusion of the right vertebral artery and absence of the posterior communicating arteries. The diameter of the aneurismal neck, the afferent and efferent arteries was 6 mm, 3.5 mm and 4.1 mm, respectively. A balloon-expandable covered-stent of 3.5 mm × 10 mm was selected, matching the above 3 measurements; and deployed precisely across the aneurismal neck, immediately creating the “sub-complete reconstruction with intentional endoleak distal to aneurismal neck”. Subsequently, 2 self-expanding 4.5 mm × 37 mm stents were telescopically implanted within the covered-stent to adjust the angulation of the proximal basilar artery. After the procedure, the patient’s symptoms gradually disappeared. Catheter angiography at 18 days, 3 months and 15 months demonstrated complete aneurismal exclusion from the patent vertebrobasilar artery, with dramatic elimination of aneurismal volume and reconfiguration of the compacted coils. The patient was asymptomatic at 15-month follow-up. Conclusions Sub-complete reconstruction with intentional endoleak distal to aneurismal neck can be safely achieved after implantation of a covered-stent and conventional stents in the case of a recurrent post-coiling proximal giant basilar aneurysm, with complete vascular reconstruction subsequently

Topics: Giant aneurysm, Basilar artery, Recurrent aneurysm, Covered-stent, Endovascular treatment, Surgery, RD1-811, Neurology. Diseases of the nervous system, RC346-429
Publisher: BMC
Year: 2017
DOI identifier: 10.1186/s41016-017-0099-y
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