AIMC Topic: Cerebrovascular Circulation

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Latent Trajectories of Cerebral Perfusion Pressure and Risk Prediction Models Among Patients with Traumatic Brain Injury: Based on an Interpretable Artificial Neural Network.

World neurosurgery Sep 13, 2024
OBJECTIVE: This study aimed to characterize long-term cerebral perfusion pressure (CPP) trajectory in traumatic brain injury (TBI) patients and construct an interpretable prediction model to assess the risk of unfavorable CPP evolution patterns.
Cerebrovascular Circulation Female Brain Injuries, Traumatic Intracranial Pressure Aged Blood Pressure Adult Male Middle Aged Risk Assessment Hospital Mortality Humans Neural Networks, Computer Algorithms
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Super-Resolving and Denoising 4D flow MRI of Neurofluids Using Physics-Guided Neural Networks.

Annals of biomedical engineering Sep 2, 2024
PURPOSE: To obtain high-resolution velocity fields of cerebrospinal fluid (CSF) and cerebral blood flow by applying a physics-guided neural network (div-mDCSRN-Flow) to 4D flow MRI.
Humans Neural Networks, Computer Female Cerebrospinal Fluid Alzheimer Disease Cerebrovascular Circulation Aged Cerebral Ventricles Male Middle Aged Magnetic Resonance Imaging
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Improved visualization of intracranial distal arteries with multiple 2D slice dynamic ASL-MRA and super-resolution convolutional neural network.

Magnetic resonance in medicine Aug 18, 2024
PURPOSE: To develop a novel framework to improve the visualization of distal arteries in arterial spin labeling (ASL) dynamic MRA.
Humans Neural Networks, Computer Male Middle Aged Imaging, Three-Dimensional Image Processing, Computer-Assisted Algorithms Brain Female Adult Cerebral Arteries Magnetic Resonance Angiography Cerebrovascular Circulation Spin Labels
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Enhanced parameter estimation in multiparametric arterial spin labeling using artificial neural networks.

Magnetic resonance in medicine Jun 9, 2024
PURPOSE: Multiparametric arterial spin labeling (MP-ASL) can quantify cerebral blood flow (CBF) and arterial cerebral blood volume (CBV). However, its accuracy is compromised owing to its intrinsically low SNR, necessitating complex and time-consumin...
Breath Holding Cerebral Blood Volume Signal-To-Noise Ratio Cerebrovascular Circulation Spin Labels Female Reproducibility of Results Young Adult Neural Networks, Computer Adult Algorithms Male Brain Image Processing, Computer-Assisted Humans Computer Simulation Magnetic Resonance Imaging
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Deep learning-based magnetic resonance imaging analysis for chronic cerebral hypoperfusion risk.

Medical physics May 31, 2024
BACKGROUND: Chronic cerebral hypoperfusion (CCH) is a frequently encountered clinical condition that poses a diagnostic challenge due to its nonspecific symptoms.
Cerebrovascular Disorders Cerebrovascular Circulation Aged Adult Male Humans Middle Aged Retrospective Studies Deep Learning Female Image Processing, Computer-Assisted Magnetic Resonance Imaging Chronic Disease
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Accurate and robust segmentation of cerebral vasculature on four-dimensional arterial spin labeling magnetic resonance angiography using machine-learning approach.

Magnetic resonance imaging Apr 16, 2024
Segmentation of cerebral vasculature on MR vascular images is of great significance for clinical application and research. However, the existing cerebrovascular segmentation approaches are limited due to insufficient image contrast and complicated al...
Algorithms Brain Female Adult Male Humans Imaging, Three-Dimensional Machine Learning Magnetic Resonance Angiography Image Processing, Computer-Assisted Cerebrovascular Circulation Spin Labels Cerebral Arteries
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Deep Learning for Perfusion Cerebral Blood Flow (CBF) and Volume (CBV) Predictions and Diagnostics.

Annals of biomedical engineering Feb 24, 2024
Dynamic susceptibility contrast magnetic resonance perfusion (DSC-MRP) is a non-invasive imaging technique for hemodynamic measurements. Various perfusion parameters, such as cerebral blood volume (CBV) and cerebral blood flow (CBF), can be derived f...
Cerebrovascular Circulation Cerebral Blood Volume Male Deep Learning Magnetic Resonance Imaging Humans Brain Female Adult
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Transformer-based deep learning denoising of single and multi-delay 3D arterial spin labeling.

Magnetic resonance in medicine Oct 17, 2023
PURPOSE: To present a Swin Transformer-based deep learning (DL) model (SwinIR) for denoising single-delay and multi-delay 3D arterial spin labeling (ASL) and compare its performance with convolutional neural network (CNN) and other Transformer-based ...
Brain Deep Learning Image Processing, Computer-Assisted Magnetic Resonance Imaging Humans Cerebrovascular Circulation Spin Labels Arteries
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Affine image registration of arterial spin labeling MRI using deep learning networks.

NeuroImage Aug 1, 2023
Convolutional neural networks (CNN) have demonstrated good accuracy and speed in spatially registering high signal-to-noise ratio (SNR) structural magnetic resonance imaging (sMRI) images. However, some functional magnetic resonance imaging (fMRI) im...
Humans Cerebrovascular Circulation Neural Networks, Computer Deep Learning Algorithms Imaging, Three-Dimensional Spin Labels Image Processing, Computer-Assisted Magnetic Resonance Imaging
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A Deep Learning Framework for Deriving Noninvasive Intracranial Pressure Waveforms from Transcranial Doppler.

Annals of neurology Jun 1, 2023
Increased intracranial pressure (ICP) causes disability and mortality in the neurointensive care population. Current methods for monitoring ICP are invasive. We designed a deep learning framework using a domain adversarial neural network to estimate ...
Intracranial Hypertension Humans Blood Pressure Deep Learning Cerebrovascular Circulation Intracranial Pressure Ultrasonography, Doppler, Transcranial
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