Ruptured PICA aneurysms: presentation and treatment outcomes compared to other posterior circulation aneurysms. A Swiss SOS study.
Details
Serval ID
serval:BIB_7ABB806E7B7B
Type
Article: article from journal or magazin.
Collection
Publications
Institution
Title
Ruptured PICA aneurysms: presentation and treatment outcomes compared to other posterior circulation aneurysms. A Swiss SOS study.
Journal
Acta neurochirurgica
Working group(s)
Swiss SOS Group
Contributor(s)
Rocca A., Bartolini B., Hajdu S., Puccinelli F., Zsolt K., Keller E., Regli L., Bozinov O., Finkenstädt S., Schöni D., Raabe A., Beck J., Goldberg J., Mariani L., Guzman R., Fandino J., Coluccia D., Cianfoni A., Valsecchi D., Chiappini A., Venier A., Reinert M., Weber J., Ferrari A., Weyerbrock A., Hildebrandt G., Hlavica M., Pereira V.M., Corniola M., Schaller K.
ISSN
0942-0940 (Electronic)
ISSN-L
0001-6268
Publication state
Published
Issued date
07/2019
Peer-reviewed
Oui
Volume
161
Number
7
Pages
1325-1334
Language
english
Notes
Publication types: Comparative Study ; Journal Article ; Research Support, Non-U.S. Gov't
Publication Status: ppublish
Publication Status: ppublish
Abstract
Aneurysms of the posterior inferior cerebellar artery (PICA) are relatively uncommon and evidence is sparse about patients presenting with ruptured PICA aneurysms. We performed an analysis of the Swiss SOS national registry to describe clinical presentation, treatment pattern, and neurological outcome of patients with ruptured PICA aneurysms compared with other ruptured posterior circulation (PC) aneurysms.
This was a retrospective analysis of anonymized data from the Swiss SOS registry (Swiss Study on Aneurysmal Subarachnoid Hemorrhage; 2009-2014). Patients with ruptured PC aneurysms were subdivided into a PICA and non-PICA group. Clinical, radiological, and treatment-related variables were identified, and their impact on the neurological outcome was determined in terms of modified Rankin score at discharge and at 1 year of follow-up for the two groups.
Data from 1864 aneurysmal subarachnoid hemorrhage patients were reviewed. There were 264 patients with a ruptured PC aneurysm. Seventy-four PICA aneurysms represented 28% of the series; clinical and radiological characteristics at admission were comparable between the PICA and non-PICA group. Surgical treatment was accomplished in 28% of patients in the PICA group and in the 4.8% of patients in the non-PICA group. No statistically significant difference was found between the two groups in terms of complications after treatment. Hydrocephalus requiring definitive shunt was needed in 21.6% of PICA patients (p = 0.6); cranial nerve deficit was present in average a quarter of the patients in both PICA and non-PICA group with no statistical difference (p = 0.3). A more favorable outcome (66.2%) was reported in the PICA group at discharge (p < 0.05) but this difference faded over time with a similar neurological outcome at 1-year follow-up (p = 0.09) between both PICA and non-PICA group. The Kaplan-Meyer estimation showed no significant difference in the mortality rate between both groups (p = 0.08).
In the present study, patients with ruptured PICA aneurysms had a favorable neurological outcome in more than two thirds of cases, similar to patients with other ruptured PC aneurysms. Surgical treatment remains a valid option in a third of cases with ruptured PICA aneurysms.
This was a retrospective analysis of anonymized data from the Swiss SOS registry (Swiss Study on Aneurysmal Subarachnoid Hemorrhage; 2009-2014). Patients with ruptured PC aneurysms were subdivided into a PICA and non-PICA group. Clinical, radiological, and treatment-related variables were identified, and their impact on the neurological outcome was determined in terms of modified Rankin score at discharge and at 1 year of follow-up for the two groups.
Data from 1864 aneurysmal subarachnoid hemorrhage patients were reviewed. There were 264 patients with a ruptured PC aneurysm. Seventy-four PICA aneurysms represented 28% of the series; clinical and radiological characteristics at admission were comparable between the PICA and non-PICA group. Surgical treatment was accomplished in 28% of patients in the PICA group and in the 4.8% of patients in the non-PICA group. No statistically significant difference was found between the two groups in terms of complications after treatment. Hydrocephalus requiring definitive shunt was needed in 21.6% of PICA patients (p = 0.6); cranial nerve deficit was present in average a quarter of the patients in both PICA and non-PICA group with no statistical difference (p = 0.3). A more favorable outcome (66.2%) was reported in the PICA group at discharge (p < 0.05) but this difference faded over time with a similar neurological outcome at 1-year follow-up (p = 0.09) between both PICA and non-PICA group. The Kaplan-Meyer estimation showed no significant difference in the mortality rate between both groups (p = 0.08).
In the present study, patients with ruptured PICA aneurysms had a favorable neurological outcome in more than two thirds of cases, similar to patients with other ruptured PC aneurysms. Surgical treatment remains a valid option in a third of cases with ruptured PICA aneurysms.
Keywords
Adolescent, Adult, Aged, Aged, 80 and over, Aneurysm, Ruptured/diagnosis, Aneurysm, Ruptured/surgery, Embolization, Therapeutic, Female, Humans, Intracranial Aneurysm/diagnosis, Intracranial Aneurysm/surgery, Male, Middle Aged, Registries, Retrospective Studies, Subarachnoid Hemorrhage/diagnosis, Subarachnoid Hemorrhage/surgery, Switzerland, Treatment Outcome, Young Adult, Aneurysmal subarachnoid hemorrhage, Endovascular procedures, Hydrocephalus, Intracranial aneurysms, Intracranial vasospasm, Posterior circulation, Posterior inferior cerebellar artery
Pubmed
Web of science
Create date
29/04/2019 11:38
Last modification date
27/04/2020 5:20
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