Vessel wall imaging in intracranial aneurysms

EA Samaniego, JA Roa, D Hasan - Journal of neurointerventional …, 2019 - jnis.bmj.com
High-resolution vessel wall imaging (HR-VWI) is becoming a useful tool in the
characterization and identification of unstable unruptured brain aneurysms. However, it has …

[HTML][HTML] Medical image-based computational fluid dynamics and fluid-structure interaction analysis in vascular diseases

Y He, H Northrup, H Le, AK Cheung… - … in Bioengineering and …, 2022 - frontiersin.org
Hemodynamic factors, induced by pulsatile blood flow, play a crucial role in vascular health
and diseases, such as the initiation and progression of atherosclerosis. Computational fluid …

Enhancement of cerebrovascular 4D flow MRI velocity fields using machine learning and computational fluid dynamics simulation data

DR Rutkowski, A Roldán-Alzate, KM Johnson - Scientific reports, 2021 - nature.com
Blood flow metrics obtained with four-dimensional (4D) flow phase contrast (PC) magnetic
resonance imaging (MRI) can be of great value in clinical and experimental cerebrovascular …

Influence of morphological parameters on hemodynamics in internal carotid artery bifurcation aneurysms

MS Nagargoje, C Valeti, N Manjunath, B Akhade… - Physics of …, 2022 - pubs.aip.org
Recent advancements in medical imaging techniques have enabled the accurate
identification of unruptured intracranial aneurysms. To facilitate a proper patient …

How patient specific are patient-specific computational models of cerebral aneurysms? An overview of sources of error and variability

DA Steinman, VM Pereira - Neurosurgical focus, 2019 - thejns.org
Computational modeling of cerebral aneurysms, derived from clinical 3D angiography, has
become widespread over the past 15 years. While such “image-based” or “patient-specific” …

Multimodal validation of focal enhancement in intracranial aneurysms as a surrogate marker for aneurysm instability

N Larsen, C Flüh, S Saalfeld, S Voß, G Hille, D Trick… - Neuroradiology, 2020 - Springer
Purpose Circumferential enhancement on MR vessel wall imaging has been proposed as a
biomarker of a higher risk of rupture in intracranial aneurysms. Focal enhancement is …

Understanding intracranial aneurysm sounds via high-fidelity fluid-structure-interaction modelling

DA Bruneau, DA Steinman… - Communications …, 2023 - nature.com
Background Since the 1960s, the origins of intracranial aneurysm bruits and musical
murmurs have been debated, with proposed mechanisms ranging from self-excitation (ie …

Machine learning–based prediction of small intracranial aneurysm rupture status using CTA-derived hemodynamics: a multicenter study

Z Shi, GZ Chen, L Mao, XL Li… - American Journal …, 2021 - Am Soc Neuroradiology
BACKGROUND AND PURPOSE: Small intracranial aneurysms are being increasingly
detected while the rupture risk is not well-understood. We aimed to develop rupture-risk …

A Eulerian method to analyze wall shear stress fixed points and manifolds in cardiovascular flows

V Mazzi, D Gallo, K Calò, M Najafi, MO Khan… - … and Modeling in …, 2020 - Springer
Based upon dynamical systems theory, a fixed point of a vector field such as the wall shear
stress (WSS) at the luminal surface of a vessel is a point where the vector field vanishes …

Rupture risk assessment for multiple intracranial aneurysms: why there is no need for dozens of clinical, morphological and hemodynamic parameters

B Neyazi, VM Swiatek, M Skalej… - Therapeutic …, 2020 - journals.sagepub.com
Introduction: A multitude of approaches have been postulated for assessing the risk of
intracranial aneurysm rupture. However, the amount of potential predictive factors is not …