RT Journal Article SR Electronic T1 Endovascular treatment of distal posterior inferior cerebellar artery aneurysms JF Neurosciences Journal JO Neurosciences (Riyadh) FD Prince Sultan Military Medical City SP 236 OP 240 DO 10.17712/nsj.2016.3.20160076 VO 21 IS 3 A1 Tang, Jun A1 Wei, Linjie A1 Li, Lin A1 Niu, Yin A1 Chen, Qianwei A1 Feng, Hua A1 Zhu, Gang A1 Chen, Zhi YR 2016 UL http://nsj.org.sa/content/21/3/236.abstract AB Objective: To assess the feasibility and results of endovascular treatment for ruptured distal posterior inferior cerebellar artery (PICA) aneurysms.Methods: We retrospectively reviewed our experience and results with endovascular treatments for a series of 13 consecutive patients with ruptured distal PICA aneurysms at the Southwest Hospital, Chongqing, China, treated between June 2011 and January 2015. Therapeutic considerations, intraoperative complications, and results were evaluated.Results: Endovascular embolization was performed in all 13 patients including selective coiling (4), stent-assisted coiling (2), microcatheter-assisted coiling (1), coiling without adjunctive techniques (1), and parent artery occlusion (5). Planed stent deployment failure occurred in one patients resulting from marked stenosis at the origin of the PICA; the patient’s existing partial Wallenberg’s syndrome became worse after treatment. Another 2 patients treated with parent artery occlusion recovered well without developing obvious neurological deficits, although a small cerebellar infarction of the distal PICA was observed. No patient experienced post procedural hemorrhage during the follow-up period (8-46 months; mean, 26.8 months).Conclusion: Distal PICA aneurysms can be managed effectively with various endovascular methods. Protective strategies using a stent or microcatheter for preserving the patency of the proximal PICA segment are a viable treatment option in reducing the potential risk of brain stem ischemia in selected patients.