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Clinical Neuroradiology
Published in: Clinical Neuroradiology 1/2019

01-03-2019 | Original Article

The Size of Ruptured Intracranial Aneurysms

A 10-Year Series from a Single Center

Authors: Muhammad AlMatter, P. Bhogal, M. Aguilar Pérez, S. Schob, V. Hellstern, H. Bäzner, O. Ganslandt, H. Henkes

Published in: Clinical Neuroradiology | Issue 1/2019

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Abstract

Purpose

There is a controversy concerning the risk of rupture of small intracranial aneurysms. We sought to determine the size and morphological features of ruptured intracranial aneurysms.

Material and Methods

The hospital files and images from all patients referred during one decade (2007–2016) to a specialized neurovascular center were retrospectively reviewed. Neck diameter, fundus depth and width as well as neck width based on catheter angiography were measured. Aneurysm morphology was classified as either regular, lobulated, irregular or fusiform.

Results

A total of 694 consecutive patients with aneurysmal subarachnoid hemorrhage (aSAH) were identified (65.9% female, median age 54.3 years). The anterior communicating artery (AcomA) was the most frequent location of ruptured aneurysms. The medians for aneurysm depth, width and neck diameter were 5 mm, 4.5 mm and 3 mm, respectively. A regular contour of the aneurysm sac was found in 19%.

Conclusion

The majority of aSAH are caused by small intracranial aneurysms. There is no safety margin in terms of small aneurysm size of regular shape without daughter aneurysms. Treatment should also be offered to patients with small, regularly shaped intracranial aneurysms, together with an empirical risk-benefit assessment.
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Metadata
Title
The Size of Ruptured Intracranial Aneurysms
A 10-Year Series from a Single Center
Authors
Muhammad AlMatter
P. Bhogal
M. Aguilar Pérez
S. Schob
V. Hellstern
H. Bäzner
O. Ganslandt
H. Henkes
Publication date
01-03-2019
Publisher
Springer Berlin Heidelberg
Published in
Clinical Neuroradiology / Issue 1/2019
Print ISSN: 1869-1439
Electronic ISSN: 1869-1447
DOI
https://doi.org/10.1007/s00062-017-0632-6

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