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  • Title: Endovascular treatment of ruptured proximal PICA aneurysms: a single-center 5-years experience.
    Author: Gupta V, Mulimani N, Kumar A, Ahuja C, Mathuria SN, Khandelwal N.
    Journal: Neurol India; 2014; 62(3):269-75. PubMed ID: 25033848.
    Abstract:
    BACKGROUND AND PURPOSE: Posterior inferior cerebellar artery (PICA) like other intracranial arteries is prone to aneurysm formation. Aneurysms usually arise from the vertebral artery (VA) - PICA junction and the proximal segment of the PICA. The use of endovascular treatment as an alternative treatment to surgery has been increasing. We present our last 5 years' experience in treating the ruptured proximal PICA aneurysms. MATERIALS AND METHODS: Retrospective analysis of records of all patients with ruptured VA-PICA junction aneurysms treated at our referral center between July 2008 and July 2013 was performed. Over the last 5 years, we came across 17 patients who had aneurysms of proximal PICA or VA-PICA junction out of which 13 patients underwent endovascular treatment for ruptured saccular VA-PICA junction aneurysms and were the focus of this research. Follow-up studies ranged from 6 months to 3 years. RESULTS: All the patients presented with an acute intracranial hemorrhage on NCCT. All the aneurysms were at VA-PICA junction with partial or complete incorporation of PICA origin in the sac. Endovascular treatment of all the 13 aneurysm was successful in the first attempt. Aneurysms were treated with balloon assisted coiling either by placing the balloon across the VA-PICA junction (n = 3) or in the vertebral artery proper (n = 9). Stent assisted coiling VA-PICA was performed in one aneurysm (n = 1). There was no intra-procedural rupture of the aneurysms. CONCLUSION: Endovascular therapy of ruptured proximal PICA aneurysms is possible and safe with the use of adjuvant devices and should be considered as first line treatment.
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