Treatment Strategies for Infectious Intracranial Aneurysms: Report of Three Cases and Review of the Literature

We retrospectively reviewed the cases of three patients with infectious intracranial aneurysms (IIAs), and discuss the indications for surgical and endovascular treatments. We treated two men and one woman with a total of six aneurysms. The mean age was 43.3 years, ranging from 36 to 51 years. One p...

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Bibliographic Details
Published in:Neurologia medico-chirurgica 2019, Vol.59(9), pp.344-350
Main Authors: ANDO, Kazuhiro, HASEGAWA, Hitoshi, KIKUCHI, Bumpei, SAITO, Shoji, ON, Jotaro, SHIBUYA, Kohei, FUJII, Yukihiko
Format: Article
Language:English
Subjects:
Aneurysm
Aneurysms
Cardiovascular system
combined therapy
Endocarditis
endovascular treatment
Hemorrhage
infectious intracranial aneurysm
Literature reviews
Original
Patients
Surgery
surgical treatment
treatment strategy
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Summary:We retrospectively reviewed the cases of three patients with infectious intracranial aneurysms (IIAs), and discuss the indications for surgical and endovascular treatments. We treated two men and one woman with a total of six aneurysms. The mean age was 43.3 years, ranging from 36 to 51 years. One patient presented initially with an intraparenchymal hemorrhage, one with mass effect, and the other one had four aneurysms (one causing subarachnoid hemorrhages and the other causing delayed intraparenchymal hemorrhages). The average size of all aneurysms was 12.2 mm (range, 2–50 mm). They were preferentially located in the distal posterior cerebral artery, and then, in the middle cerebral artery. All cases were caused by infective endocarditis. We selected endovascular treatments for five aneurysms and treated all but one within 24 h from detection. One aneurysm was treated by combined therapy with endovascular intervention and surgery. After treatment, none of the IIAs presented angiographical recurrence or re-bleeding. If feasible, endovascular treatment is probably the first choice, but a combined surgical and endovascular approach should be considered if surgery or endovascular treatment alone are not feasible. The method of treatment should be individualized. For cases with high risk of aneurysm rupture, treatment should be performed as soon as possible.
ISSN:0470-8105
1349-8029
DOI:10.2176/nmc.oa.2019-0051