Ten years of experience in endovascular treatment of ruptured aneurysms of the posterior inferior cerebellar artery

Author:

Juszkat Robert1,Kram Paweł1,Stanisławska Katarzyna1,Jankowski Roman2,Stachowska-Tomczak Bogumiła2,Nowak Stanisław2,Liebert Włodzimierz2

Affiliation:

1. Department of General and Interventional Radiology, Poznan University of Medical Sciences, Poland

2. Department of Neurosurgery and Neurotraumatology, Poznan University of Medical Sciences, Poland

Abstract

Background The aim of this study is to present our 10 years of experience in endovascular treatment of ruptured posterior inferior cerebellar artery (PICA) saccular aneurysms and to compare clinical presentation and outcome after endovascular treatment between patients with PICA aneurysms and patients with aneurysms in different locations. Methods and findings Out of 932 patients with a ruptured intracranial aneurysm treated endovascularly in our institution, 38 aneurysms were located at the posterior inferior cerebellar artery. Clinical presentation, mean aneurysm diameter and outcome of the therapy in this group were compared with the same for ruptured aneurysms in other locations. Patients discharged with favourable outcomes were checked angiographically in the follow-up period. Thirty-four patients with ruptured PICA aneurysms were treated by selective endovascular coiling. Two patients with wide-necked aneurysms had endovascular stents implanted. In two cases, the parent vessel was occluded due to failure to catheterise the target aneurysm. The evaluated variables did not differ significantly between two groups, but significantly more ruptured aneurysms in the PICA group were under 6 mm in diameter. 29.4% of controlled aneurysms needed additional reembolisation in the follow-up period. Conclusions Clinical presentation, extension of subarachnoid haemorrhage and outcome after endovascular treatment did not differ significantly between patients with ruptured aneurysms located on the PICA and patients with aneurysms located elsewhere intracranially. Endovascular treatment is an effective method of therapy in patients with ruptured PICA aneurysms. In our experience, even when sacrificing of the PICA is required, the results of treatment are favourable.

Publisher

SAGE Publications

Subject

Immunology

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