Imaging Modalities for Intracranial Aneurysm: More Than Meets the Eye

Intracranial aneurysms (IA) are often asymptomatic and have a prevalence of 3 to 5% in the adult population. The risk of IA rupture is low, however when it occurs half of the patients dies from subarachnoid hemorrhage (SAH). To avoid this fatal evolution, the main treatment is an invasive surgical p...

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Main Authors: Clémence Maupu, Héloïse Lebas, Yacine Boulaftali
Format: Article
Language:English
Published: Frontiers Media S.A. 2022-02-01
Series:Frontiers in Cardiovascular Medicine
Subjects:
Online Access:https://www.frontiersin.org/articles/10.3389/fcvm.2022.793072/full
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author Clémence Maupu
Héloïse Lebas
Yacine Boulaftali
author_facet Clémence Maupu
Héloïse Lebas
Yacine Boulaftali
author_sort Clémence Maupu
collection DOAJ
description Intracranial aneurysms (IA) are often asymptomatic and have a prevalence of 3 to 5% in the adult population. The risk of IA rupture is low, however when it occurs half of the patients dies from subarachnoid hemorrhage (SAH). To avoid this fatal evolution, the main treatment is an invasive surgical procedure, which is considered to be at high risk of rupture. This risk score of IA rupture is evaluated mainly according to its size and location. Therefore, angiography and anatomic imaging of the intracranial aneurysm are crucial for its diagnosis. Moreover, it has become obvious in recent years that several other factors are implied in this complication, such as the blood flow complexity or inflammation. These recent findings lead to the development of new IA imaging tools such as vessel wall imaging, 4D-MRI, or molecular MRI to visualize inflammation at the site of IA in human and animal models. In this review, we will summarize IA imaging techniques used for the patients and those currently in development.
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spelling doaj.art-9ba67a1d0f414850b05bbe1f286ccfac2022-12-21T23:44:53ZengFrontiers Media S.A.Frontiers in Cardiovascular Medicine2297-055X2022-02-01910.3389/fcvm.2022.793072793072Imaging Modalities for Intracranial Aneurysm: More Than Meets the EyeClémence MaupuHéloïse LebasYacine BoulaftaliIntracranial aneurysms (IA) are often asymptomatic and have a prevalence of 3 to 5% in the adult population. The risk of IA rupture is low, however when it occurs half of the patients dies from subarachnoid hemorrhage (SAH). To avoid this fatal evolution, the main treatment is an invasive surgical procedure, which is considered to be at high risk of rupture. This risk score of IA rupture is evaluated mainly according to its size and location. Therefore, angiography and anatomic imaging of the intracranial aneurysm are crucial for its diagnosis. Moreover, it has become obvious in recent years that several other factors are implied in this complication, such as the blood flow complexity or inflammation. These recent findings lead to the development of new IA imaging tools such as vessel wall imaging, 4D-MRI, or molecular MRI to visualize inflammation at the site of IA in human and animal models. In this review, we will summarize IA imaging techniques used for the patients and those currently in development.https://www.frontiersin.org/articles/10.3389/fcvm.2022.793072/fullintracranial aneurysmvessel wall imagingimaging techniquehemodynamic imaginginflammation imaging
spellingShingle Clémence Maupu
Héloïse Lebas
Yacine Boulaftali
Imaging Modalities for Intracranial Aneurysm: More Than Meets the Eye
Frontiers in Cardiovascular Medicine
intracranial aneurysm
vessel wall imaging
imaging technique
hemodynamic imaging
inflammation imaging
title Imaging Modalities for Intracranial Aneurysm: More Than Meets the Eye
title_full Imaging Modalities for Intracranial Aneurysm: More Than Meets the Eye
title_fullStr Imaging Modalities for Intracranial Aneurysm: More Than Meets the Eye
title_full_unstemmed Imaging Modalities for Intracranial Aneurysm: More Than Meets the Eye
title_short Imaging Modalities for Intracranial Aneurysm: More Than Meets the Eye
title_sort imaging modalities for intracranial aneurysm more than meets the eye
topic intracranial aneurysm
vessel wall imaging
imaging technique
hemodynamic imaging
inflammation imaging
url https://www.frontiersin.org/articles/10.3389/fcvm.2022.793072/full
work_keys_str_mv AT clemencemaupu imagingmodalitiesforintracranialaneurysmmorethanmeetstheeye
AT heloiselebas imagingmodalitiesforintracranialaneurysmmorethanmeetstheeye
AT yacineboulaftali imagingmodalitiesforintracranialaneurysmmorethanmeetstheeye